United Interlock Grating
United Interlock Safety Gratings are strong, light weight, economical and offer a variety of options, making them very versatile. Planks snap together with positive friction, so the need for welding and bolting is minimized. They are manufactured out of 14 and 18 gauge steel, and come in 3 different widths and 3 different leg depths. There are also three different surface styles available: the anti-skid surface, the slotted-smooth puched, and the solid unpunched.
Unistrut Buffalo Supports->Plank Grating->United Interlock Grating

- 5/16'' Hex Head Cap Screw for United Interlock Grating
5/16” Hex Head Cap Screw for United Interlock Grating. Perfect for Walkways, Mezzanines, Catwalks, Stairs, Shelving. Select length.
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- Filler Panel for use with United Interlock Grating
3" Wide 10' long Filler Panel for use with United Interlock Grating. Perfect for Walkways, Mezzanines, Catwalks, Stairs, Shelving. Select depth.
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- 0.5'' Rubber Pad For Built-Up, Membrane, Foam, and Coated Roofs
Rubber pad absorbs the impact between the roof and the support stands. Anchor free, so no need to penetrate the roof.
Perfect for Walkways, Mezzanines, Catwalks, Stairs, Shelving.
Rubber Pads for Built-Up, Membrane, Foam and Coated Roofs (Pre-Cut 1/2'' Thick x 8'' wide)
PART # Description Weight/FT G501-28 8'' x 28'' for 18'' wide walkway 1 G501-28 8'' x 28'' for 24'' wide walkway 1 G501-31 8'' x 31'' for 27'' wide walkway 1 G501-34 8'' x 34'' for 30'' wide walkway 1.2 G501-40 8'' x 40'' for 36'' wide walkway 1.5 G501-52 8'' x 52'' for 48'' wide walkway 1.8 -
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- Light Gauge Beam Clip for United Interlock Grating
Attaches grating to rack or shelving beams. Requires self-drilling self-tapping screw. Perfect for Walkways Mezzanines Catwalks Stairs Shelving
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- J Bolt/Nut Lock Washer for United Interlock Grating
0.3125'' (5/16") x 2.5'' J Bolt with nut and lock washer.
Attachment for fastening panels to supporting members from underside of grating.
Perfect for Walkways, Mezzanines, Catwalks, Stairs, and Shelving.
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- Carrier Plate for United Interlock Grating Treads
Pre-galvanized steel. Use with 6” or 9” treads. Provides easy attachment of stair treads to support structures and stringers. Select tread size for use with.
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- Hold Down Clip for United Interlock Grating
16 gauge pre-galvanized steel. attachment for fastening grating to support structure below. Attaches through top side of grating. Perfect for Grating Installations. Select leg depth.
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- 6'' Wide United Interlock Grating
Comes in pre-galvanized 18ga or 14ga. with 1.5”, 2.5” or 4” deep leg. Slotted or anti-skid surface. Perfect for Walkways Mezzanines Catwalks Stairs Shelving. Select interlock option, leg depth, gauge, surface type, and length.
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- 9'' Wide United Interlock Grating
Comes in pre-galvanized 18ga or 14ga. with 1.5”, 2.5” or 4” deep leg. Slotted or anti-skid surface. Perfect for Walkways Mezzanines Catwalks Stairs Shelving. Select interlock option, leg depth, gauge, surface type, and length.
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- 12'' Wide United Interlock Grating
Comes in pre-galvanized 18ga. with 2.5” deep leg. Slotted or anti-skid surface. Perfect for Walkways Mezzanines Catwalks Stairs Shelving. Select interlock option, surface type and length.
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- Heel-Toe Side Plate for United Interlock Grating
14ga. Forms a curb along grating that defines a structure's side edge and helps contain loose objects. Perfect for Grating Installations. Select height/length.
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- Heel-Toe End Plate for United Interlock Grating
14ga. 12' long. Forms a curb along grating that defines a structure's side edge and helps contain loose objects. Perfect for Grating Installations. Select height.
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- Grating Beam Clamp with J Bolt for United Interlock Grating
Beam Clamp with J-Bolt attaches grating to structural I-Beams.
Requires no welding or drilling. Perfect for Grating Installations.
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- Recessed Washer for United Interlock Grating
Recessed Washer for United Interlock Grating Perfect for Grating Installations
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- 9'' Deep Heavy Duty Stair Tread for United Interlock Grating
9" deep Heavy Duty Stair Tread for United Interlock Grating comes in lengths of 24”, 30”, 36”, 42”, 48” and 60”. Perfect for Walkways Mezzanines Catwalks. Select length.
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