Modular Enclosure Frames & Racks

Hoffman Modular Frame and Accessories. Configure you Modular Enclosure with our vast inventory of Modular Enclosure parts. We sell all types of Enclosures and accessories - all at discounted prices. We also carry a full line of other Hoffman Enclosures of all types: Steel Enclosures, Stainless Steel Enclosures, Non-Metallic Enclosures, Disconnect Enclosures, and HMI Enclosures (Human-Interface Enclosures).

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$209.30
The grounding kit allows a PROLINE enclosure to be grounded by MBJ Grounding and Bonding Braids according to IEC62208 specifications. ERIFLEX braids provide a convenient grounding solution for applications that require flexibility and durability, are resistant to vibration and fatigue, reducing maintenance, have less impedance than cables. Kit includes 7 grounding braids and mounting hardware.
$169.00
The grounding kit allows a PROLINE enclosure to be grounded by MBJ Grounding and Bonding Braids according to IEC62208 specifications. ERIFLEX braids provide a convenient grounding solution for applications that require flexibility and durability, are resistant to vibration and fatigue, reducing maintenance, have less impedance than cables. Kit includes 7 grounding braids and mounting hardware.
$153.40
The grounding kit allows a PROLINE enclosure to be grounded by MBJ Grounding and Bonding Braids according to IEC62208 specifications. ERIFLEX braids provide a convenient grounding solution for applications that require flexibility and durability, are resistant to vibration and fatigue, reducing maintenance, have less impedance than cables. Kit includes 7 grounding braids and mounting hardware.
$180.70
Use this kit in conjunction with the Heavy-Duty Swing-Out Frame. It provides increased accessibility to the back of rack equipment.
$377.00
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$341.90
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$271.70
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$351.00
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$321.10
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$338.00
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$300.30
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$224.90
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$319.80
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$253.50
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$202.80
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$287.30
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$180.70
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$358.80
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$187.20
Used when mounting the PROLINE G2 Heavy-Duty Swing-Out Rack Frames in 800-mm wide frames. The Filler Panel occupies the extra space between the frame and the swing frame. Includes a handle and all the hardware for mounting to the Swing-Out Rack Frame.
$336.70
Center Uprights are vertical channels that attach to the frame (top and bottom). Can be used in 800-, 1000-, 1200- and 1600-mm wide frames to facilitate the installation of accessories for 600-mm wide frames and 19" rack accessories in wider frames. The vertical hole pattern matches the vertical hole pattern in the frame. Center uprights are made of 12 gauge steel and finished with RAL 7035 textured light-gray polyester powder paint. Center uprights are furnished in pairs and include mounting hardware.
$305.50
Center Uprights are vertical channels that attach to the frame (top and bottom). Can be used in 800-, 1000-, 1200- and 1600-mm wide frames to facilitate the installation of accessories for 600-mm wide frames and 19" rack accessories in wider frames. The vertical hole pattern matches the vertical hole pattern in the frame. Center uprights are made of 12 gauge steel and finished with RAL 7035 textured light-gray polyester powder paint. Center uprights are furnished in pairs and include mounting hardware.
$275.60
Center Uprights are vertical channels that attach to the frame (top and bottom). Can be used in 800-, 1000-, 1200- and 1600-mm wide frames to facilitate the installation of accessories for 600-mm wide frames and 19" rack accessories in wider frames. The vertical hole pattern matches the vertical hole pattern in the frame. Center uprights are made of 12 gauge steel and finished with RAL 7035 textured light-gray polyester powder paint. Center uprights are furnished in pairs and include mounting hardware.
$247.00
Center Uprights are vertical channels that attach to the frame (top and bottom). Can be used in 800-, 1000-, 1200- and 1600-mm wide frames to facilitate the installation of accessories for 600-mm wide frames and 19" rack accessories in wider frames. The vertical hole pattern matches the vertical hole pattern in the frame. Center uprights are made of 12 gauge steel and finished with RAL 7035 textured light-gray polyester powder paint. Center uprights are furnished in pairs and include mounting hardware.
$247.00
Center Uprights are vertical channels that attach to the frame (top and bottom). Can be used in 800-, 1000-, 1200- and 1600-mm wide frames to facilitate the installation of accessories for 600-mm wide frames and 19" rack accessories in wider frames. The vertical hole pattern matches the vertical hole pattern in the frame. Center uprights are made of 12 gauge steel and finished with RAL 7035 textured light-gray polyester powder paint. Center uprights are furnished in pairs and include mounting hardware.
$60.84
Guides can be mounted to a Heavy-Duty Swing-Out Rack Frame to provide extra support for rack equipment. Plated steel guides are furnished in pairs with mounting hardware included.
$115.70
Use this kit in conjunction with the Heavy-Duty Swing-Out Rack Frame to provide increased accessibility to the back of rack equipment.
$1313.00
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1348.10
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1283.10
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1186.90
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1063.40
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1063.40
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1415.70
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1432.60
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1363.70
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1050.40
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$968.50
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$989.30
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$1003.60
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$954.20
Allows 19" rack equipment to pivot out of the enclosure frame for better accessibility. The frames mount on hinges capable of 120-degree rotation. Hinges that provide 170-degree rotation are optional. Spring-loaded pivot post makes installation easy. Rack Frames are available for 600-, 700- and 800-mm wide enclosure frames. Mounting supports for an 800-mm wide enclosure frame permit you to either center the rack-mounting frame or position it right or left. The frame can also pivot from either the left or the right for maximum flexibility. Mounting supports can be assembled to the top and bottom of the frame for full-height rack-mounting frames. Smaller rackmounting frames can be mounted to the vertical frame members or to the grid straps. Order separately. Furnished with hinges, two quarter-turn latches and mounting hardware RAL 7035 textured gray finish. Complies with ANSI/EIA RS-310-D rack-mounting standards. Maximum equipment load is 300 lb. Mounting holes accommodate either English or metric cage nuts, which are ordered separately.
$150.80
Hoffman PGH3S7V PROLINE Grid Straps provide a vertical extension of the frame holes in the sides of the PROLINE frame. Mounting hardware included. 14 gauge plated steel. Three-row 25-mm hole spacing allows the use of cage nuts or front-loading cage nuts.
$253.50
PROLINE G2 Adjustable Rack-Mounting Rails allow 19" Rack Angles to be positioned anywhere within the modular enclosure frame. 12 gauge (2.5 mm) steel. Mounting hardware is included.
$202.80
PROLINE G2 Adjustable Rack-Mounting Rails allow 19" Rack Angles to be positioned anywhere within the modular enclosure frame. 12 gauge (2.5 mm) steel. Mounting hardware is included.
$153.40
PROLINE G2 Adjustable Rack-Mounting Rails allow 19" Rack Angles to be positioned anywhere within the modular enclosure frame. 12 gauge (2.5 mm) steel. Mounting hardware is included.
$125.84
PROLINE G2 Adjustable Rack-Mounting Rails allow 19" Rack Angles to be positioned anywhere within the modular enclosure frame. 12 gauge (2.5 mm) steel. Mounting hardware is included.
$100.75
PROLINE G2 Adjustable Rack-Mounting Rails allow 19" Rack Angles to be positioned anywhere within the modular enclosure frame. 12 gauge (2.5 mm) steel. Mounting hardware is included.
$243.10
The PROLINE G2 Rack Angles Plated and furnished in pairs mount using BV-M6 fasteners instead of the traditional cage nut and screw combination. The Rack Angle height and rack unit count are optimized for the PROLINE G2 frame heights. Rack Angles have two mounting surfaces that function in the attachment of rack-mount equipment and accessories. Can be mounted directly to the frame, or at variable depths using Adjustable Rack-Mounting Rails or Grid Straps; when mounted to the frame there is 44mm between the door opening and the Rack Angle mounting surface. Single-bay Frames: in a 600-mm wide frame, Rack Angles can be mounted in-line with the frame; in an 800-mm wide frame, Adjustable Rack-Mounting Rails or Frame Reducing Brackets are required (sold separately) to achieve the 19" rack spacing Double-Bay Frames: in a 1200-mm wide frame, Center Uprights must be used to create a mounting surface in the center of the enclosure for either bay; in a 1600-mm frame, Center Uprights are again required in addition to Frame Reducing Brackets or Adjustable Rack-Mounting Rails to achieve the 19" rack spacing Tapped-Hole Rack Angles are 12 gauge (2.5mm) steel and accommodate 10-32 screws for equipment mounting. Square-Hole Rack Angles are 14 gauge (1.75mm) steel and accept both metric and English cage nuts and screws: most commonly M5, M6, and 10-32 screws. Optional Shelves, Drawers, and Guides require two sets of Rack Angles to secure within the frame. All mounting hardware for Rack Angle installation into the frame is included; mounting hardware for securing rack-mount equipment/accessories to the Rack Angles is either supplied with the item or purchased separately.
$243.10
The PROLINE G2 Rack Angles Plated and furnished in pairs mount using BV-M6 fasteners instead of the traditional cage nut and screw combination. The Rack Angle height and rack unit count are optimized for the PROLINE G2 frame heights. Rack Angles have two mounting surfaces that function in the attachment of rack-mount equipment and accessories. Can be mounted directly to the frame, or at variable depths using Adjustable Rack-Mounting Rails or Grid Straps; when mounted to the frame there is 44mm between the door opening and the Rack Angle mounting surface. Single-bay Frames: in a 600-mm wide frame, Rack Angles can be mounted in-line with the frame; in an 800-mm wide frame, Adjustable Rack-Mounting Rails or Frame Reducing Brackets are required (sold separately) to achieve the 19" rack spacing Double-Bay Frames: in a 1200-mm wide frame, Center Uprights must be used to create a mounting surface in the center of the enclosure for either bay; in a 1600-mm frame, Center Uprights are again required in addition to Frame Reducing Brackets or Adjustable Rack-Mounting Rails to achieve the 19" rack spacing Tapped-Hole Rack Angles are 12 gauge (2.5mm) steel and accommodate 10-32 screws for equipment mounting. Square-Hole Rack Angles are 14 gauge (1.75mm) steel and accept both metric and English cage nuts and screws: most commonly M5, M6, and 10-32 screws. Optional Shelves, Drawers, and Guides require two sets of Rack Angles to secure within the frame. All mounting hardware for Rack Angle installation into the frame is included; mounting hardware for securing rack-mount equipment/accessories to the Rack Angles is either supplied with the item or purchased separately.