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High-Pressure-Rated Metal-Bonded Sealing Washers
Able to withstand pressure greater than 3,000 psi, these one-piece bonded washers create the tightest seals.
Use washers with a rubber seal under partially threaded screws or bolts that have a smooth shaft under the head. They are reusable. Washers with a Buna-N rubber seal have excellent abrasion resistance and good oil, weather, and chemical resistance.
Washers with PVC sealant create an impervious 360° seal around your fastener’s threads when tightened. They are not reusable.
Zinc-plated steel washers are corrosion resistant in wet environments. 304 stainless steel washers are more corrosion resistant than zinc-plated steel washers. They also have good chemical resistance. 316 stainless steel washers have excellent resistance to chemicals and salt water and may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Max. Pressure, psi | Temp. Range, °F | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thick. | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel with Buna-N Rubber Seal | |||||||||||||
No. 4 | 0.102" | 0.25" | 0.035"-0.045" | 7,000 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 10 | 000000000 | 000000 |
No. 6 | 0.13" | 0.385" | 0.036"-0.044" | 10,800 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 10 | 000000000 | 00000 |
No. 8 | 0.156" | 0.385" | 0.036"-0.044" | 8,000 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 0000 |
No. 10 | 0.18" | 0.443" | 0.045"-0.055" | 6,200 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 0000 |
1/4" | 0.24" | 0.505" | 0.045"-0.055" | 5,000 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 10 | 000000000 | 00000 |
5/16" | 0.301" | 0.603" | 0.045"-0.055" | 3,600 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 10 | 000000000 | 00000 |
3/8" | 0.364" | 0.666" | 0.045"-0.055" | 3,400 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 10 | 000000000 | 00000 |
7/16" | 0.427" | 0.76" | 0.045"-0.055" | 3,600 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
1/2" | 0.49" | 0.88" | 0.045"-0.055" | 4,200 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 10 | 000000000 | 00000 |
9/16" | 0.552" | 1.067" | 0.045"-0.055" | 6,600 | 200 | -30° | 225° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
5/8" | 0.615" | 1.193" | 0.045"-0.055" | 7,500 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
3/4" | 0.74" | 1.322" | 0.059"-0.069" | 5,700 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
7/8" | 0.864" | 1.51" | 0.059"-0.069" | 6,000 | 200 | -30° | 225° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 0000 |
1" | 0.988" | 1.76" | 0.059"-0.069" | 7,000 | 200 | -40° | 225° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 0000 |
1 1/8" | 1.106" | 1.885" | 0.059"-0.069" | 4,900 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 1 | 000000000 | 0000 |
1 1/4" | 1.229" | 2.01" | 0.059"-0.069" | 4,600 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 1 | 000000000 | 0000 |
304 Stainless Steel with PVC Plastic Sealant Seal | |||||||||||||
No. 6 | 0.148" | 0.495" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 25 | 000000000 | 00000 |
No. 8 | 0.175" | 0.495" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 25 | 000000000 | 00000 |
No. 10 | 0.205" | 0.56" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 25 | 000000000 | 00000 |
1/4" | 0.255" | 0.625" | 0.068"-0.078" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 10 | 000000000 | 0000 |
5/16" | 0.315" | 0.685" | 0.072"-0.082" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 10 | 000000000 | 0000 |
3/8" | 0.385" | 0.81" | 0.077"-0.087" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 10 | 000000000 | 0000 |
7/16" | 0.445" | 0.89" | 0.085"-0.095" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 5 | 000000000 | 0000 |
1/2" | 0.51" | 0.99" | 0.085"-0.095" | 8,500 | 8,500 | -60° | 270° | Rockwell B75 | __ | Black | 5 | 000000000 | 0000 |
316 Stainless Steel with PVC Plastic Sealant Seal | |||||||||||||
No. 4 | 0.124" | 0.396" | 0.05"-0.06" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 20 | 000000000 | 0000 |
No. 6 | 0.148" | 0.495" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 20 | 000000000 | 0000 |
No. 8 | 0.175" | 0.495" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 20 | 000000000 | 0000 |
No. 10 | 0.205" | 0.56" | 0.06"-0.07" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 20 | 000000000 | 00000 |
1/4" | 0.255" | 0.625" | 0.068"-0.078" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 15 | 000000000 | 0000 |
5/16" | 0.315" | 0.685" | 0.072"-0.082" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 15 | 000000000 | 0000 |
3/8" | 0.385" | 0.81" | 0.077"-0.087" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 10 | 000000000 | 0000 |
1/2" | 0.51" | 0.99" | 0.085"-0.095" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 5 | 000000000 | 00000 |
5/8" | 0.639" | 1.135" | 0.085"-0.095" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 1 | 000000000 | 0000 |
3/4" | 0.77" | 1.28" | 0.105"-0.115" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 1 | 000000000 | 0000 |
7/8" | 0.893" | 1.44" | 0.105"-0.115" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 1 | 000000000 | 0000 |
1" | 1.018" | 1.6" | 0.105"-0.115" | 8,500 | 8,500 | -60° | 270° | Rockwell B77 | __ | Black | 1 | 000000000 | 0000 |
Metric High-Pressure-Rated Metal-Bonded Sealing Washers
Able to withstand pressure greater than 2,000 psi, these one-piece bonded washers create the tightest seals.
Zinc-plated steel washers are corrosion resistant in wet environments. They are reusable. 304 stainless steel washers are more corrosion resistant than zinc-plated steel washers. They also have good chemical resistance.
Washers with a Buna-N rubber seal have excellent abrasion resistance and good oil, weather, and chemical resistance. Washers with a fluorocarbon rubber seal resist chemicals and withstand high temperatures.
For technical drawings and 3-D models, click on a part number.
Max. Pressure, psi | Temperature Range, °F | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID, mm | OD, mm | Thick., mm | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel with Buna-N Rubber Seal | |||||||||||||
M2 | 1.8 | 4.5 | 0.9-1.1 | 7,300 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 10 | 000000000 | 000000 |
M2.5 | 2.2 | 5.0 | 0.9-1.1 | 6,600 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 10 | 000000000 | 00000 |
M3 | 2.7 | 6.0 | 0.9-1.1 | 6,400 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 10 | 000000000 | 00000 |
M4 | 3.7 | 7.0 | 0.9-1.1 | 5,500 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 10 | 000000000 | 00000 |
M5 | 4.8 | 9.8 | 0.9-1.2 | 15,200 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M6 | 5.8 | 11.3 | 1.1-1.4 | 12,800 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M8 | 7.8 | 13.5 | 1.1-1.4 | 7,900 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M10 | 9.7 | 15.3 | 1.1-1.4 | 7,200 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M12 | 11.7 | 19.3 | 1.1-1.4 | 7,100 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M14 | 13.7 | 22.4 | 1.1-1.4 | 8,000 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M16 | 15.7 | 27.1 | 1.1-1.4 | 12,500 | 200 | -30° | 220° | Rockwell C26 | Durometer 85A | Black | 5 | 000000000 | 00000 |
M20 | 19.6 | 33.3 | 1.5-1.8 | 4,900 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 5 | 000000000 | 00000 |
M22 | 21.6 | 31.4 | 1.1-1.4 | 3,700 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 5 | 000000000 | 00000 |
M24 | 23.7 | 43.9 | 1.5-1.8 | 5,500 | 200 | -10° | 240° | Rockwell B105 | Durometer 60A | Black | 1 | 000000000 | 0000 |
304 Stainless Steel with Fluorocarbon Rubber Seal | |||||||||||||
M5 | 4.8 | 9.8 | 0.9-1.1 | 3,700 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 10 | 000000000 | 00000 |
M6 | 5.8 | 11.3 | 1.1-1.4 | 3,600 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 10 | 000000000 | 00000 |
M8 | 7.8 | 13.5 | 1.1-1.4 | 3,100 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 5 | 000000000 | 00000 |
M10 | 9.7 | 15.3 | 1.1-1.4 | 2,700 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 5 | 000000000 | 00000 |
M12 | 11.7 | 19.3 | 1.1-1.4 | 2,900 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 5 | 000000000 | 00000 |
M14 | 13.6 | 22.3 | 1.1-1.4 | 2,900 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 1 | 000000000 | 0000 |
M16 | 15.6 | 27.1 | 1.1-1.4 | 3,100 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 1 | 000000000 | 0000 |
M20 | 19.6 | 33.3 | 1.5-1.8 | 3,000 | 200 | 0° | 390° | Rockwell B90 | Durometer 75A | Black | 1 | 000000000 | 00000 |
Pressure-Rated Metal-Bonded Sealing Washers
These washers are rated to withstand pressure up to 100 psi. They are one-piece rubber-to-metal bonded washers that create a stronger seal than metal or rubber alone. Made of 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic. The silicone seal has excellent weather resistance. Washers are reusable.
For technical drawings and 3-D models, click on a part number.
Max. Pressure, psi | Temperature Range, °F | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thick. | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Each | |
18-8 Stainless Steel with Silicone Rubber Seal | ||||||||||||
No. 6 | 0.123" | 0.55" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
No. 6 | 0.123" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
No. 8 | 0.175" | 0.55" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
No. 8 | 0.175" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
No. 8 | 0.175" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
No. 10 | 0.2" | 0.55" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
No. 10 | 0.2" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
1/4" | 0.265" | 0.75" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
1/4" | 0.265" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
1/4" | 0.265" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
5/16" | 0.325" | 0.75" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
5/16" | 0.325" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
5/16" | 0.325" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
3/8" | 0.385" | 0.75" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
3/8" | 0.385" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
3/8" | 0.385" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
1/2" | 0.485" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
1/2" | 0.485" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
7/16" | 0.422" | 1" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 0000 |
7/16" | 0.422" | 1.5" | 0.047"-0.109" | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Green | 000000000 | 00000 |
Max. Pressure, psi | Temperature Range, °F | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID, mm | OD, mm | Thick., mm | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Each | |
18-8 Stainless Steel with Silicone Rubber Seal | ||||||||||||
M3 | 2.9 | 14 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 00000 |
M3 | 2.9 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M4 | 3.9 | 14 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M4 | 3.9 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M5 | 4.9 | 14 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M5 | 4.9 | 19.1 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M5 | 4.9 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M6 | 5.9 | 19.1 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M6 | 5.9 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M8 | 7.8 | 19.1 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M8 | 7.8 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M10 | 9.8 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
M12 | 11.8 | 25.4 | 2-2.1 | 100 | 100 | -100° | 400° | Rockwell B80 | Durometer 50A | Red | 000000000 | 0000 |
Pressure-Rated Metal-Bonded Sealing Washers for Nuts and Washers
Also known as thread-sealing washers, use these under nuts and other washers. Rated to withstand pressure at or greater than 2,000 psi, these one-piece metal-to-rubber bonded washers create a stronger seal than metal or rubber alone. They are zinc-plated steel for corrosion resistance in wet environments. The Buna-N rubber seal has excellent abrasion resistance and good oil, weather, and chemical resistance. Washers are reusable.
For technical drawings and 3-D models, click on a part number.
Max. Pressure, psi | Temperature Range, °F | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | Thick. | For Fluids | For Gases | Min. | Max. | Hardness | Seal Hardness | Seal Color | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel with Buna-N Rubber Seal | |||||||||||||
No. 6 | 0.141" | 0.406" | 0.045"-0.055" | 2,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 000000 |
No. 8 | 0.167" | 0.406" | 0.045"-0.055" | 2,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
No. 10 | 0.194" | 0.469" | 0.045"-0.055" | 2,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
1/4" | 0.255" | 0.562" | 0.045"-0.055" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
5/16" | 0.319" | 0.687" | 0.059"-0.069" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
3/8" | 0.383" | 0.750" | 0.059"-0.069" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
7/16" | 0.447" | 0.906" | 0.073"-0.083" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
1/2" | 0.510" | 1.000" | 0.073"-0.083" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
5/8" | 0.683" | 1.187" | 0.089"-0.099" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 5 | 000000000 | 00000 |
3/4" | 0.765" | 1.375" | 0.104"-0.114" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 0000 |
1" | 1.020" | 1.750" | 0.115"-0.125" | 5,000 | Not Rated | -30° | 220° | Rockwell B71 | Durometer 55A | Black | 1 | 000000000 | 00000 |