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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Certification Certification |
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 | Material Certificate with Traceable Lot Number and Test Report |
RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Washers
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Shim Stock
Cut it into custom shapes to fit your application.
For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment. Metal shims include a material certificate with traceable lot number. Most shims include a test report.
Brass, copper, and bronze shim stock is corrosion resistant and nonmagnetic. Bronze shim stock is stronger than copper or brass shim stock.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Min. Hardness | Temper Rating | Certification | Specifications Met | Each | |
6" Wd. × 50" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 0.005" | -0.0003" to 0.0003" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 000000 |
| 0.008" | -0.0004" to 0.0004" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.01" | -0.0007" to 0.0007" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.013" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.016" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.02" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.025" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 00000 |
| 0.032" | -0.0015" to 0.0015" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 000000 |
| 0.04" | -0.002" to 0.002" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103 | 0000000 | 000000 |
| Thick. | Thick. Tolerance | Min. Hardness | Temper Rating | Certification | Specifications Met | Each | |
6" Wd. × 25" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 0.016" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103, SAE AMS4510 | 00000000 | 000000 |
| 0.02" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103, SAE AMS4510 | 00000000 | 00000 |
| 0.025" | -0.001" to 0.001" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103, SAE AMS4510 | 00000000 | 00000 |
| 0.032" | -0.0015" to 0.0015" | Rockwell 30T76 | Spring | Material Certificate with Traceable Lot Number and Test Report | ASTM B103, SAE AMS4510 | 00000000 | 00000 |
Shim Stock Sets
Keep shim stock in a variety of thicknesses on hand with these sets. Cut it into custom shapes to fit your application.Sheets come flat packed.
For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.
Bronze shim stock is stronger than copper or brass shim stock.
For technical drawings and 3-D models, click on a part number.
Hardness | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Material | No. of Pieces | Includes | Wd. | Lg. | Min. | Specifications Met | Magnetic Properties | Each | |
Sheets | |||||||||
| 510 Bronze | 8 | One sheet each of the following thicknesses: 0.005" (±0.0003"), 0.008" (±0.0004"), 0.01" (±0.0007"), 0.013" (±0.001"), 0.016" (±0.001"), 0.02" (±0.001"), 0.025" (±0.001"), 0.032" (±0.0015") | 6" | 12" | Rockwell 30T76 | ASTM B103 | Nonmagnetic | 000000 | 0000000 |
General Purpose Washers
Copper, brass, and silicon bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive. Silicon bronze washers are stronger than copper and brass.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Pkg. Qty. | Pkg. | |
Silicon Bronze | |||||||
|---|---|---|---|---|---|---|---|
| No. 6 | 0.147" | 0.375" | 0.025"-0.039" | Not Rated | 100 | 000000000 | 00000 |
| No. 8 | 0.172" | 0.375" | 0.025"-0.039" | Not Rated | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.438" | 0.029"-0.043" | Not Rated | 100 | 000000000 | 0000 |
| No. 12 | 0.228" | 0.500" | 0.033"-0.047" | Not Rated | 50 | 000000000 | 00000 |
| 1/4" | 0.260" | 0.688" | 0.030"-0.050" | Not Rated | 50 | 000000000 | 00000 |
| 5/16" | 0.340" | 0.750" | 0.052"-0.072" | Not Rated | 25 | 000000000 | 00000 |
| 5/16" | 0.340" | 0.875" | 0.052"-0.072" | Not Rated | 10 | 000000000 | 0000 |
| 3/8" | 0.392" | 0.875" | 0.052"-0.072" | Not Rated | 25 | 000000000 | 00000 |
| 3/8" | 0.392" | 1.000" | 0.052"-0.072" | Not Rated | 10 | 000000000 | 0000 |
| 7/16" | 0.500" | 1.125" | 0.052"-0.072" | Not Rated | 10 | 000000000 | 00000 |
| 1/2" | 0.562" | 1.250" | 0.068"-0.088" | Not Rated | 10 | 000000000 | 00000 |
| 5/8" | 0.688" | 1.500" | 0.081"-0.101" | Not Rated | 5 | 000000000 | 00000 |
| 3/4" | 0.812" | 1.875" | 0.092"-0.112" | Not Rated | 1 | 000000000 | 0000 |
| 7/8" | 0.938" | 2.250" | 0.099"-0.129" | Not Rated | 1 | 000000000 | 0000 |
| 1" | 1.062" | 2.500" | 0.113"-0.143" | Not Rated | 1 | 000000000 | 00000 |
Split Lock Washers
As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Washers that meet ASME B18.21.1 adhere to strict dimensional standards.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. 2 | 0.094" | 0.172" | 0.020" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| No. 3 | 0.107" | 0.195" | 0.025" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 4 | 0.114" | 0.209" | 0.025" | Rockwell B90 | ASME B18.21.1 | 1,000 | 000000000 | 00000 |
| No. 4 | 0.120" | 0.209" | 0.025" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 6 | 0.141" | 0.250" | 0.031" | Rockwell B90 | ASME B18.21.1 | 1,000 | 000000000 | 00000 |
| No. 6 | 0.148" | 0.250" | 0.031" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 8 | 0.167" | 0.293" | 0.040" | Rockwell B90 | ASME B18.21.1 | 1,000 | 000000000 | 00000 |
| No. 8 | 0.174" | 0.293" | 0.040" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 10 | 0.200" | 0.334" | 0.047" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 12 | 0.227" | 0.377" | 0.056" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| 1/4" | 0.260" | 0.487" | 0.062" | Rockwell B90 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| 5/16" | 0.322" | 0.583" | 0.078" | Rockwell B90 | ASME B18.21.1 | 50 | 000000000 | 00000 |
| 3/8" | 0.385" | 0.680" | 0.094" | Rockwell B90 | ASME B18.21.1 | 25 | 000000000 | 00000 |
| 7/16" | 0.450" | 0.776" | 0.109" | Rockwell B90 | ASME B18.21.1 | 10 | 000000000 | 0000 |
| 1/2" | 0.512" | 0.869" | 0.125" | Rockwell B90 | ASME B18.21.1 | 10 | 000000000 | 0000 |
| 5/8" | 0.641" | 1.073" | 0.156" | Rockwell B90 | ASME B18.21.1 | 5 | 000000000 | 0000 |
| 3/4" | 0.766" | 1.265" | 0.188" | Rockwell B90 | ASME B18.21.1 | 5 | 000000000 | 00000 |
| 1" | 1.003" | 1.656" | 0.250" | Rockwell B90 | ASME B18.21.1 | 5 | 000000000 | 00000 |
External-Tooth Lock Washers
Teeth on the outside edge of the washer bite into the screw head and joint for a tight grip. Use with fasteners that have heads large enough to make contact with the teeth, such as pan, button, and binding head screws.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Washers that meet ASME B18.21.1 adhere to strict dimensional standards.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. 3 | 0.102" | 0.235" | 0.010"-0.016" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| No. 4 | 0.115" | 0.260" | 0.012"-0.018" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 6 | 0.141" | 0.320" | 0.016"-0.022" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 8 | 0.168" | 0.381" | 0.018"-0.023" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 10 | 0.195" | 0.410" | 0.018"-0.024" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 12 | 0.221" | 0.475" | 0.020"-0.027" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| 1/4" | 0.256" | 0.510" | 0.023"-0.028" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| 5/16" | 0.320" | 0.610" | 0.028"-0.034" | Rockwell B60 | ASME B18.21.1 | 50 | 000000000 | 0000 |
| 3/8" | 0.384" | 0.694" | 0.032"-0.040" | Rockwell B60 | ASME B18.21.1 | 25 | 000000000 | 0000 |
| 7/16" | 0.448" | 0.760" | 0.032"-0.040" | Rockwell B60 | ASME B18.21.1 | 25 | 000000000 | 0000 |
| 1/2" | 0.513" | 0.900" | 0.037"-0.045" | Rockwell B60 | ASME B18.21.1 | 25 | 000000000 | 00000 |
| 5/8" | 0.641" | 1.070" | 0.042"-0.050" | Rockwell B60 | ASME B18.21.1 | 10 | 000000000 | 00000 |
| 3/4" | 0.768" | 1.260" | 0.047"-0.055" | Rockwell B60 | ASME B18.21.1 | 5 | 000000000 | 0000 |
Mil. Spec. External-Tooth Lock Washers
Choose these washers for their adherence to strict military standards for material and construction. Teeth on the outside edge of the washer bite into the screw head and joint for a tight grip. Use with fasteners that have heads large enough to make contact with the teeth, such as pan, button, and binding head screws.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Military Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | |||||||||
|---|---|---|---|---|---|---|---|---|---|
MS-35335/NASM 35335 | |||||||||
| No. 10 | 0.195" | 0.410" | 0.020"-0.025" | Not Rated | ASME B18.21.1; MS35335-88 | MS35335 | 25 | 000000000 | 00000 |
| 1/4" | 0.256" | 0.510" | 0.023"-0.028" | Not Rated | ASME B18.21.1; MS35335-89 | MS35335 | 10 | 000000000 | 0000 |
| 5/16" | 0.320" | 0.610" | 0.028"-0.034" | Not Rated | ASME B18.21.1; MS35335-90 | MS35335 | 10 | 000000000 | 0000 |
| 3/8" | 0.384" | 0.694" | 0.032"-0.040" | Not Rated | ASME B18.21.1; MS35335-91 | MS35335 | 10 | 000000000 | 0000 |
| 1/2" | 0.513" | 0.900" | 0.037"-0.045" | Not Rated | ASME B18.21.1; MS35335-93 | MS35335 | 10 | 000000000 | 0000 |
Internal-Tooth Lock Washers
Internal teeth dig into the screw head while the smooth outside edge won't snag objects. These washers provide greater vibration resistance than split lock washers. Use with fasteners that have small heads, such as fillister and cheese head screws.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
Washers that meet ASME B18.21.1 adhere to strict dimensional standards.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thickness | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | ||||||||
|---|---|---|---|---|---|---|---|---|
| No. 2 | 0.089" | 0.200" | 0.010"-0.016" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| No. 3 | 0.109" | 0.232" | 0.010"-0.016" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 4 | 0.115" | 0.270" | 0.012"-0.018" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 5 | 0.136" | 0.280" | 0.014"-0.018" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 6 | 0.141" | 0.295" | 0.016"-0.022" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 8 | 0.168" | 0.340" | 0.018"-0.023" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 10 | 0.195" | 0.381" | 0.018"-0.024" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 0000 |
| No. 12 | 0.231" | 0.410" | 0.020"-0.027" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| 1/4" | 0.256" | 0.478" | 0.023"-0.028" | Rockwell B60 | ASME B18.21.1 | 100 | 000000000 | 00000 |
| 5/16" | 0.320" | 0.610" | 0.028"-0.034" | Rockwell B60 | ASME B18.21.1 | 50 | 000000000 | 0000 |
| 3/8" | 0.384" | 0.692" | 0.032"-0.040" | Rockwell B60 | ASME B18.21.1 | 50 | 000000000 | 00000 |
| 7/16" | 0.448" | 0.789" | 0.032"-0.040" | Rockwell B60 | ASME B18.21.1 | 25 | 000000000 | 0000 |
| 1/2" | 0.512" | 0.900" | 0.037"-0.045" | Rockwell B60 | ASME B18.21.1 | 25 | 000000000 | 00000 |
| 5/8" | 0.640" | 1.071" | 0.042"-0.050" | Rockwell B60 | ASME B18.21.1 | 5 | 000000000 | 0000 |
| 3/4" | 0.795" | 1.245" | 0.047"-0.055" | Rockwell B60 | ASME B18.21.1 | 5 | 000000000 | 0000 |
Mil. Spec. Internal-Tooth Lock Washers
Choose these washers for their adherence to strict military standards for material and construction. Internal teeth dig into the screw head while the smooth outside edge won't snag objects. These washers provide greater vibration resistance than split lock washers. Use with fasteners that have small heads, such as fillister and cheese head screws.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | ||||||||
|---|---|---|---|---|---|---|---|---|
MS-35333/NASM 35333 | ||||||||
| No. 2 | 0.089" | 0.200" | 0.010"-0.015" | Rockwell B90 | ASME B18.21.1; MS35333-103; NASM35333 | 25 | 000000000 | 00000 |
| No. 4 | 0.115" | 0.270" | 0.015"-0.019" | Rockwell B90 | ASME B18.21.1; MS35333-104; NASM35333 | 25 | 000000000 | 0000 |
| No. 6 | 0.141" | 0.295" | 0.017"-0.021" | Rockwell B90 | ASME B18.21.1; MS35333-105; NASM35333 | 25 | 000000000 | 00000 |
| No. 8 | 0.168" | 0.340" | 0.018"-0.023" | Rockwell B90 | ASME B18.21.1; MS35333-106; NASM35333 | 25 | 000000000 | 00000 |
| No. 10 | 0.195" | 0.381" | 0.020"-0.025" | Rockwell B90 | ASME B18.21.1; MS35333-107; NASM35333 | 25 | 000000000 | 00000 |
| 1/4" | 0.256" | 0.478" | 0.023"-0.028" | Rockwell B90 | ASME B18.21.1; MS35333-108; NASM35333 | 25 | 000000000 | 00000 |
| 5/16" | 0.332" | 0.610" | 0.028"-0.034" | Rockwell B90 | ASME B18.21.1; MS35333-109; NASM35333 | 10 | 000000000 | 0000 |
| 3/8" | 0.384" | 0.692" | 0.032"-0.040" | Rockwell B90 | ASME B18.21.1; MS35333-110; NASM35333 | 10 | 000000000 | 0000 |
| 1/2" | 0.512" | 0.900" | 0.037"-0.045" | Rockwell B90 | ASME B18.21.1; MS35333-113; NASM35333 | 5 | 000000000 | 0000 |
Metric Single-Wave Washers
These curved, flexible washers act like springs to compensate for tolerance variations and uneven surfaces. You can also use them to damp vibration.
Bronze washers are corrosion resistant in wet environments, nonmagnetic, and electrically conductive.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID, mm | OD, mm | Thick., mm | Overall Ht., mm | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Bronze | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| M3 | 3.2 | 8.0 | 0.5 | 1.6 | Not Rated | DIN 137B | 25 | 000000000 | 000000 |
| M4 | 4.3 | 9.0 | 0.5 | 2.0 | Not Rated | DIN 137B | 25 | 000000000 | 00000 |
| M5 | 5.3 | 11.0 | 0.5 | 2.2 | Not Rated | DIN 137B | 10 | 000000000 | 0000 |
| M6 | 6.4 | 12.0 | 0.5 | 2.6 | Not Rated | DIN 137B | 10 | 000000000 | 0000 |
| M8 | 8.4 | 15.0 | 0.8 | 3.0 | Not Rated | DIN 137B | 5 | 000000000 | 0000 |
| M10 | 10.5 | 21.0 | 1.0 | 4.2 | Not Rated | DIN 137B | 1 | 000000000 | 0000 |
| M12 | 13.0 | 24.0 | 1.2 | 5.0 | Not Rated | DIN 137B | 1 | 000000000 | 0000 |
Shim Stock Assortments
Create a custom shim to fit your application. Includes one sheet of each thickness.
For technical drawings and 3-D models, click on a part number.
| Number of Pieces | Shim Stock Included | Lg. | Wd. | Container Type | Each | |
| 59 | 1010 Low-Carbon Steel—Hardened: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.01", 0.012", 0.015" 1095 Spring Steel—Hardened: 0.005", 0.01", 0.015", 0.02", 0.025", 0.032" 110 Copper—Softened: 0.005", 0.01", 0.015", 0.02", 0.025" 1100 Aluminum—Hardened: 0.001", 0.002", 0.003", 0.005" 18-8 Stainless Steel—Hardened: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.01", 0.012", 0.015" 260 Brass—Hardened: 0.001", 0.0015", 0.002", 0.003", 0.004", 0.005", 0.006", 0.007", 0.008", 0.01", 0.012", 0.015" 510 Bronze—Hardened: 0.005", 0.008", 0.01", 0.013", 0.016", 0.02", 0.025", 0.032" | 12" | 6" | Metal Cabinet | 0000000 | 0000000 |