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More
Zinc-aluminum coated and black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant Coated Grade 8 Steel | ||||||||
---|---|---|---|---|---|---|---|---|
1/4" | 0.312" | 0.750" | 0.055"-0.072" | Rockwell C38 | USS Standards | 10 | 000000000 | 000000 |
5/16" | 0.375" | 0.875" | 0.064"-0.080" | Rockwell C38 | ASME B18.21.1, USS Standards | 10 | 000000000 | 00000 |
3/8" | 0.438" | 1.000" | 0.064"-0.080" | Rockwell C38 | ASME B18.21.1, USS Standards | 5 | 000000000 | 0000 |
7/16" | 0.500" | 1.250" | 0.064"-0.080" | Rockwell C38 | ASME B18.21.1, USS Standards | 5 | 000000000 | 0000 |
1/2" | 0.562" | 1.375" | 0.097"-0.121" | Rockwell C38 | ASME B18.21.1, USS Standards | 5 | 000000000 | 0000 |
9/16" | 0.625" | 1.500" | 0.097"-0.121" | Rockwell C38 | USS Standards | 5 | 000000000 | 00000 |
5/8" | 0.688" | 1.750" | 0.122"-0.146" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.122"-0.146" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.136"-0.160" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
1" | 1.062" | 2.500" | 0.136"-0.160" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
1 1/8" | 1.250" | 2.750" | 0.136"-0.160" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
1 1/4" | 1.375" | 3.000" | 0.136"-0.160" | Rockwell C38 | ASME B18.21.1, USS Standards | 1 | 000000000 | 0000 |
1 3/8" | 1.500" | 3.250" | 0.136"-0.160" | Rockwell C38 | USS Standards | 1 | 000000000 | 00000 |
1 1/2" | 1.625" | 3.500" | 0.136"-0.160" | Rockwell C38 | USS Standards | 1 | 000000000 | 00000 |
Use these metric washers to evenly distribute the load under bolt or screw heads and nuts when fastening. They can also act as spacers.
Steel washers are stronger and more wear resistant than stainless steel washers. Zinc-aluminum coated and black ultra-corrosion-resistant coated steel washers have the same level of corrosion resistance—both resist corrosion from chemicals and withstand 1,000 hours of salt spray. The black ultra-corrosion-resistant coated steel washers have a black semi-gloss finish.
Washers that meet ISO 7089, 7091, and 7092 (formerly DIN 125, 126, and 433), meet international standards for fastener dimensions.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID, mm | OD, mm | Thick., mm | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant Coated Steel | ||||||||
---|---|---|---|---|---|---|---|---|
M3 | 3.2 | 7.0 | 0.4-0.6 | Rockwell B75 | DIN 125, ISO 7089 | 10 | 000000000 | 00000 |
M4 | 4.3 | 9.0 | 0.7-0.9 | Rockwell B75 | DIN 125, ISO 7089 | 10 | 000000000 | 0000 |
M5 | 5.3 | 10.0 | 0.9-1.1 | Rockwell B75 | DIN 125, ISO 7089 | 10 | 000000000 | 0000 |
M6 | 6.4 | 12.0 | 1.4-1.8 | Rockwell B75 | DIN 125, ISO 7089 | 10 | 000000000 | 0000 |
M7 | 7.4 | 14.0 | 1.4-1.8 | Rockwell B75 | DIN 125, ISO 7089 | 5 | 000000000 | 0000 |
M8 | 8.4 | 16.0 | 1.4-1.8 | Rockwell B75 | DIN 125, ISO 7089 | 5 | 000000000 | 0000 |
M10 | 10.5 | 20.0 | 1.8-2.2 | Rockwell B75 | DIN 125, ISO 7089 | 5 | 000000000 | 0000 |
M12 | 13.0 | 24.0 | 2.3-2.7 | Rockwell B75 | DIN 125, ISO 7089 | 5 | 000000000 | 0000 |
M14 | 15.0 | 28.0 | 2.3-2.7 | Rockwell B75 | DIN 125, ISO 7089 | 5 | 000000000 | 0000 |
Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.
Black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray. They’re also known as black luster washers.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant Coated Steel | ||||||||
---|---|---|---|---|---|---|---|---|
3/16" | 0.219" | 1.000" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 000000 |
3/16" | 0.219" | 1.250" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 00000 |
1/4" | 0.281" | 1.000" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 00000 |
1/4" | 0.281" | 1.250" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 00000 |
1/4" | 0.281" | 1.500" | 0.051"-0.084" | Not Rated | __ | 5 | 000000000 | 0000 |
1/4" | 0.313" | 0.750" | 0.090"-0.110" | Rockwell C38 | USS Standards | 5 | 000000000 | 0000 |
5/16" | 0.344" | 1.250" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 00000 |
5/16" | 0.344" | 1.500" | 0.051"-0.084" | Not Rated | __ | 5 | 000000000 | 0000 |
5/16" | 0.375" | 0.875" | 0.090"-0.110" | Rockwell C38 | USS Standards | 5 | 000000000 | 0000 |
3/8" | 0.406" | 1.250" | 0.051"-0.084" | Not Rated | __ | 10 | 000000000 | 00000 |
3/8" | 0.406" | 1.500" | 0.051"-0.084" | Not Rated | __ | 5 | 000000000 | 0000 |
3/8" | 0.438" | 1.000" | 0.110"-0.126" | Rockwell C38 | USS Standards | 5 | 000000000 | 0000 |
7/16" | 0.500" | 1.250" | 0.110"-0.126" | Rockwell C38 | USS Standards | 5 | 000000000 | 0000 |
1/2" | 0.531" | 2.000" | 0.051"-0.084" | Not Rated | __ | 5 | 000000000 | 0000 |
1/2" | 0.563" | 1.375" | 0.156"-0.188" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
9/16" | 0.625" | 1.500" | 0.156"-0.188" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
5/8" | 0.688" | 1.750" | 0.170"-0.195" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
3/4" | 0.813" | 2.000" | 0.170"-0.195" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.235"-0.265" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
1" | 1.063" | 2.500" | 0.235"-0.265" | Rockwell C38 | USS Standards | 1 | 000000000 | 0000 |
SAE washers generally have a smaller ID and OD than USS washers.
Black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant Coated Steel | ||||||||
---|---|---|---|---|---|---|---|---|
No. 2 | 0.094" | 0.219" | 0.005"-0.030" | Not Rated | SAE Standards | 10 | 000000000 | 00000 |
No. 3 | 0.109" | 0.250" | 0.005"-0.030" | Not Rated | SAE Standards | 10 | 000000000 | 0000 |
No. 4 | 0.125" | 0.312" | 0.020"-0.040" | Not Rated | SAE Standards | 10 | 000000000 | 0000 |
No. 5 | 0.141" | 0.281" | 0.020"-0.040" | Not Rated | SAE Standards | 10 | 000000000 | 0000 |
No. 6 | 0.156" | 0.375" | 0.036"-0.065" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 0000 |
No. 8 | 0.188" | 0.438" | 0.036"-0.065" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 0000 |
No. 10 | 0.219" | 0.500" | 0.036"-0.065" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 0000 |
No. 12 | 0.250" | 0.562" | 0.051"-0.080" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 0000 |
1/4" | 0.281" | 0.625" | 0.051"-0.080" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 0000 |
5/16" | 0.344" | 0.688" | 0.051"-0.080" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
3/8" | 0.406" | 0.812" | 0.051"-0.080" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
7/16" | 0.469" | 0.922" | 0.051"-0.080" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
1/2" | 0.531" | 1.062" | 0.074"-0.121" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
9/16" | 0.594" | 1.156" | 0.074"-0.121" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
5/8" | 0.656" | 1.312" | 0.074"-0.121" | Not Rated | SAE Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
3/4" | 0.812" | 1.469" | 0.108"-0.160" | Not Rated | SAE Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
7/8" | 0.938" | 1.750" | 0.108"-0.160" | Not Rated | SAE Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
1" | 1.062" | 2.000" | 0.108"-0.160" | Not Rated | SAE Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
1 1/8" | 1.250" | 2.250" | 0.108"-0.160" | Not Rated | SAE Standards; ASME B18.21.1 | 5 | 000000000 | 00000 |
1 1/4" | 1.375" | 2.500" | 0.136"-0.192" | Not Rated | SAE Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 3/8" | 1.500" | 2.750" | 0.136"-0.192" | Not Rated | SAE Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 1/2" | 1.625" | 3.000" | 0.136"-0.192" | Not Rated | SAE Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
USS washers generally have a larger ID and OD than SAE washers.
Black ultra-corrosion-resistant coated steel washers resist chemicals and withstand 1,000 hours of salt spray.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant Coated Steel | ||||||||
---|---|---|---|---|---|---|---|---|
1/4" | 0.312" | 0.750" | 0.051"-0.080" | Not Rated | USS Standards | 10 | 000000000 | 000000 |
5/16" | 0.375" | 0.875" | 0.064"-0.104" | Not Rated | USS Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
3/8" | 0.438" | 1.000" | 0.064"-0.104" | Not Rated | USS Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
7/16" | 0.500" | 1.250" | 0.064"-0.104" | Not Rated | USS Standards; ASME B18.21.1 | 10 | 000000000 | 00000 |
1/2" | 0.562" | 1.375" | 0.086"-0.132" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
9/16" | 0.625" | 1.469" | 0.086"-0.132" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
5/8" | 0.688" | 1.750" | 0.108"-0.160" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
3/4" | 0.812" | 2.000" | 0.122"-0.177" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
7/8" | 0.938" | 2.250" | 0.136"-0.192" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 0000 |
1" | 1.062" | 2.500" | 0.136"-0.192" | Not Rated | USS Standards; ASME B18.21.1 | 5 | 000000000 | 00000 |
1 1/8" | 1.250" | 2.750" | 0.136"-0.192" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 1/4" | 1.375" | 3.000" | 0.136"-0.192" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 3/8" | 1.500" | 3.250" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 1/2" | 1.625" | 3.500" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 5/8" | 1.750" | 3.750" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 3/4" | 1.875" | 4.000" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
1 7/8" | 2.000" | 4.250" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
2" | 2.125" | 4.500" | 0.153"-0.213" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
2 1/4" | 2.375" | 4.750" | 0.193"-0.248" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 0000 |
2 1/2" | 2.625" | 5.000" | 0.210"-0.280" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 00000 |
2 3/4" | 2.875" | 5.250" | 0.228"-0.310" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 00000 |
3" | 3.125" | 5.500" | 0.249"-0.327" | Not Rated | USS Standards; ASME B18.21.1 | 1 | 000000000 | 00000 |
Use these caps to hold components in place and protect shaft ends. Install these caps with a hammer or push them into place by hand.
Black ultra-corrosion-resistant coated finish is more corrosion resistant in wet environments than zinc plated finish. Also known as black luster.
For technical drawings and 3-D models, click on a part number.
For OD | OD | Ht. | Insert Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
Black Ultra-Corrosion-Resistant-Coated 1050 Spring Steel | ||||||||
---|---|---|---|---|---|---|---|---|
1/4" | 9/16" | 7/32" | Steel | Not Rated | Magnetic | 5 | 000000000 | 00000 |
5/16" | 5/8" | 1/4" | Steel | Not Rated | Magnetic | 5 | 000000000 | 0000 |
3/8" | 3/4" | 9/32" | Steel | Not Rated | Magnetic | 5 | 000000000 | 0000 |
1/2" | 15/16" | 21/64" | Steel | Not Rated | Magnetic | 5 | 000000000 | 0000 |