Material Material | Show |
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For Screw Size For Screw Size |
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Washer Type Washer Type |
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![]() | Square |
![]() | Leveling for I- Beams |
![]() | Square-Neck Bolt Lock |
Width Width |
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ID ID |
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Minimum Thickness Minimum Thickness |
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Maximum Thickness Maximum Thickness |
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Strut Channel Type Strut Channel Type |
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High Profile | Low Profile |
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Stacked | Standard |
More
Square washers fit into slots and channels and have flat sides to keep them from rotating. They are wider and thicker than most round washers, making them good for distributing heavy loads.
Black-oxide steel washers are mildly corrosion resistant in dry environments.
Zinc-plated steel washers are corrosion resistant in wet environments.
Galvanized steel washers are 10 times as corrosion resistant as zinc-plated steel washers.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | Wd. | Thick. | Hardness | Each | |
1/4" | 0.312" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
3/8" | 0.438" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
7/16" | 0.500" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
1/2" | 0.562" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
1/2" | 0.562" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
5/8" | 0.688" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
5/8" | 0.688" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
5/8" | 0.688" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
3/4" | 0.812" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
3/4" | 0.812" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
3/4" | 0.812" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
7/8" | 0.938" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
7/8" | 0.938" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
7/8" | 0.938" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1" | 1.062" | 2.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
1" | 1.062" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1" | 1.062" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1 1/4" | 1.312" | 2.000" | 0.220"-0.280" | Rockwell 15N80 | 000000000 | 0000 |
1 1/4" | 1.312" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1 1/4" | 1.312" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1 1/2" | 1.562" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1 1/2" | 1.562" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
1 3/4" | 1.938" | 3.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 0000 |
1 3/4" | 1.938" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
2" | 2.062" | 4.000" | 0.235"-0.265" | Rockwell 15N80 | 000000000 | 00000 |
M6 | 9.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M8 | 11.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M10 | 13.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M12 | 16.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M14 | 18.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M16 | 22.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M20 | 26.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M22 | 28.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M24 | 32.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
M30 | 38.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell 15N80 | 000000000 | 0000 |
For Screw Size | ID | Wd. | Thick. | Hardness | Pkg. Qty. | Pkg. | |
1/4" | 0.312" | 0.750" | 0.110"-0.130" | Rockwell B40 | 10 | 000000000 | 00000 |
1/4" | 0.312" | 2.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
5/16" | 0.375" | 0.875" | 0.120"-0.140" | Rockwell B40 | 10 | 000000000 | 0000 |
5/16" | 0.375" | 1.750" | 0.125"-0.145" | Rockwell B40 | 5 | 000000000 | 00000 |
5/16" | 0.375" | 2.000" | 0.125"-0.145" | Rockwell B40 | 5 | 000000000 | 00000 |
3/8" | 0.438" | 1.000" | 0.120"-0.140" | Rockwell B40 | 10 | 000000000 | 0000 |
3/8" | 0.438" | 1.500" | 0.115"-0.135" | Rockwell B40 | 5 | 000000000 | 00000 |
3/8" | 0.438" | 2.000" | 0.110"-0.140" | Rockwell B40 | 5 | 000000000 | 00000 |
3/8" | 0.438" | 2.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
1/2" | 0.562" | 1.375" | 0.170"-0.200" | Rockwell B40 | 10 | 000000000 | 0000 |
1/2" | 0.562" | 2.000" | 0.025"-0.040" | Rockwell B40 | 5 | 000000000 | 00000 |
1/2" | 0.562" | 2.000" | 0.105"-0.135" | Rockwell B40 | 5 | 000000000 | 00000 |
1/2" | 0.562" | 2.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
1/2" | 0.562" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
5/8" | 0.688" | 1.750" | 0.170"-0.200" | Rockwell B40 | 5 | 000000000 | 0000 |
5/8" | 0.688" | 2.000" | 0.112"-0.128" | Rockwell B40 | 1 | 000000000 | 0000 |
5/8" | 0.688" | 2.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
5/8" | 0.688" | 3.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
5/8" | 0.688" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
3/4" | 0.812" | 2.000" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
3/4" | 0.813" | 2.000" | 0.112"-0.128" | Rockwell B40 | 1 | 000000000 | 0000 |
3/4" | 0.813" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
3/4" | 0.813" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
7/8" | 0.938" | 2.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
7/8" | 0.938" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
7/8" | 0.938" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
1" | 1.062" | 1.750" | 0.225"-0.265" | Rockwell B40 | 5 | 000000000 | 00000 |
1" | 1.062" | 2.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
1" | 1.062" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
1" | 1.062" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
1 1/4" | 1.312" | 2.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
1 1/4" | 1.312" | 2.500" | 0.110"-0.140" | Rockwell B40 | 5 | 000000000 | 00000 |
1 1/4" | 1.312" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
1 1/4" | 1.312" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
1 1/2" | 1.562" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
1 1/2" | 1.562" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
1 3/4" | 1.812" | 3.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 0000 |
1 3/4" | 1.812" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
2" | 2.062" | 4.000" | 0.220"-0.280" | Rockwell B40 | 1 | 000000000 | 00000 |
For Screw Size | ID | Wd. | Thick. | Hardness | Each | |
1/4" | 0.312" | 2.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 00000 |
3/8" | 0.438" | 2.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
1/2" | 0.562" | 2.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
1/2" | 0.562" | 3.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
5/8" | 0.688" | 2.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
5/8" | 0.688" | 3.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
5/8" | 0.688" | 4.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 00000 |
3/4" | 0.812" | 2.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
3/4" | 0.812" | 3.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
3/4" | 0.812" | 4.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 00000 |
7/8" | 0.938" | 2.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
7/8" | 0.938" | 3.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
7/8" | 0.938" | 4.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 00000 |
1" | 1.062" | 2.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 0000 |
1" | 1.062" | 3.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 0000 |
1" | 1.062" | 4.000" | 0.235"-0.265" | Rockwell B40 | 000000000 | 00000 |
1 1/4" | 1.312" | 2.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 0000 |
1 1/4" | 1.312" | 3.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 0000 |
1 1/4" | 1.312" | 4.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 00000 |
1 1/2" | 1.562" | 3.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 0000 |
1 1/2" | 1.562" | 4.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 00000 |
1 3/4" | 1.812" | 4.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 00000 |
1 3/4" | 1.938" | 3.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 0000 |
2" | 2.062" | 4.000" | 0.220"-0.280" | Rockwell B40 | 000000000 | 00000 |
M6 | 9.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M8 | 11.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M10 | 13.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M12 | 16.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M14 | 18.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M16 | 22.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M20 | 26.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M22 | 28.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M24 | 32.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
M30 | 38.000mm | 50.000mm | 5.970mm-6.730mm | Rockwell B40 | 000000000 | 0000 |
Also known as backup washers, these square washers are for use with blind rivets for extra support when fastening into soft material. They fit into slots and channels and have flat sides to keep them from rotating. They are wider and thicker than most round washers, making them good for distributing heavy loads. They are zinc-plated steel for corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
Commonly called beveled washers, these are tapered to fit inside an I-beam's flange to provide a parallel bearing surface.
For technical drawings and 3-D models, click on a part number.
Thick. | ||||||||
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For Screw Size | ID | Wd. | (A) | (B) | Hardness | Pkg. Qty. | Pkg. | |
Steel | ||||||||
1/2" | 0.546" | 1.750" | 0.438" | 0.188" | Rockwell C38 | 5 | 000000000 | 000000 |
5/8" | 0.702" | 1.750" | 0.438" | 0.188" | Rockwell C38 | 5 | 000000000 | 00000 |
3/4" | 0.827" | 1.750" | 0.438" | 0.188" | Rockwell C38 | 5 | 000000000 | 00000 |
7/8" | 0.952" | 1.750" | 0.438" | 0.188" | Rockwell C38 | 5 | 000000000 | 00000 |
1" | 1.140" | 1.750" | 0.438" | 0.188" | Rockwell C38 | 5 | 000000000 | 00000 |
Commonly called beveled washers, these are tapered to fit inside an I-beam's flange to provide a parallel bearing surface.
Zinc-plated steel washers are coated for corrosion resistance in wet environments.
Hot-dipped galvanized steel washers are ten times more corrosion resistant than zinc-plated washers.
For technical drawings and 3-D models, click on a part number.
Thick., mm | |||||||||
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For Screw Size | ID, mm | Wd., mm | (A) | (B) | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||
M8 | 9.0 | 22.0 | 4.6 | 1.5 | Rockwell B52 | DIN 435 | 10 | 000000000 | 00000 |
M10 | 11.0 | 22.0 | 4.6 | 1.5 | Rockwell B52 | DIN 435 | 10 | 000000000 | 0000 |
M12 | 14.0 | 26.0 | 6.2 | 2.0 | Rockwell B52 | DIN 435 | 10 | 000000000 | 0000 |
M16 | 18.0 | 32.0 | 7.5 | 2.5 | Rockwell B52 | DIN 435 | 10 | 000000000 | 00000 |
M20 | 22.0 | 40.0 | 9.2 | 3.0 | Rockwell B52 | DIN 435 | 5 | 000000000 | 00000 |
M22 | 24.0 | 44.0 | 10.0 | 3.0 | Rockwell B52 | DIN 435 | 1 | 000000000 | 0000 |
M24 | 26.0 | 56.0 | 10.8 | 3.0 | Rockwell B52 | DIN 435 | 1 | 000000000 | 0000 |
Hot-Dipped Galvanized Steel | |||||||||
M8 | 9.0 | 22.0 | 4.6 | 1.5 | Rockwell B52 | DIN 435 | 10 | 000000000 | 0000 |
M10 | 11.0 | 22.0 | 4.6 | 1.5 | Rockwell B52 | DIN 435 | 5 | 000000000 | 0000 |
M12 | 14.0 | 26.0 | 6.2 | 2.0 | Rockwell B52 | DIN 435 | 5 | 000000000 | 0000 |
M16 | 18.0 | 32.0 | 7.5 | 2.5 | Rockwell B52 | DIN 435 | 5 | 000000000 | 0000 |
M20 | 22.0 | 40.0 | 9.2 | 3.0 | Rockwell B52 | DIN 435 | 1 | 000000000 | 0000 |
M22 | 24.0 | 44.0 | 10.0 | 3.0 | Rockwell B52 | DIN 435 | 1 | 000000000 | 0000 |
M24 | 26.0 | 56.0 | 10.8 | 3.0 | Rockwell B52 | DIN 435 | 1 | 000000000 | 0000 |
Designed for use with square-neck bolts such as carriage bolts, these washers have teeth that dig into wood and other soft material to prevent rotation. They’re zinc-plated steel for corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
Use with hex nuts to connect threaded rod.
Zinc-plated steel washers are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Notches on these washers grip the channel to keep them in place. Use with hex nuts to connect threaded rod.
Zinc-plated steel washers are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Quickly attach these nuts by twisting them closed at any point along a threaded rod.
Zinc-plated steel nuts are corrosion resistant in wet environments.
For technical drawings and 3-D models, click on a part number.
Insert these nuts into the long open side of strut channel and twist to secure. A built-in washer enables one-handed installation. Use with a hex nut to connect threaded rod (not included).
For technical drawings and 3-D models, click on a part number.