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Individual/Set Individual/Set |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Magnetic Properties Magnetic Properties |
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Specifications Met Specifications Met |
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Washer Type Washer Type |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Layer Thickness Layer Thickness |
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Width of Flat Width of Flat |
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About Washers
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Ring Shims
Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims.
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.
Carbon steel shims have excellent strength and can be welded, but aren't as corrosion resistant as other shims.
For technical drawings and 3-D models, click on a part number.
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.093" Thick. (-0.003" to 0.003" Tolerance) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 0000000 | 00000 |
| 11/32" | 0" to 0.011" | 13/16" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 0000 |
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 0000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 0000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 0000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 0000 |
| 7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1 1/8" | 0" to 0.011" | 1 5/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1 3/8" | 0" to 0.011" | 1 7/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1 1/2" | 0" to 0.011" | 2 1/8" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 10 | 00000000 | 00000 |
| 1 3/4" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 5 | 00000000 | 00000 |
| 2" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 1008-1010 Carbon Steel | Rockwell B65 | 5 | 00000000 | 00000 |
Tight-Fit Ring Shims
For a snug fit around a shaft, the ID of these shims is held to a tighter tolerance than other ring shims.
For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like brass, can be used as wear plates between components that rub together, preventing damage to equipment.
Alloy steel shims are stronger and harder than stainless steel and brass shims, but they aren’t as corrosion resistant.
For technical drawings and 3-D models, click on a part number.
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
4140 Alloy Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
0.093" Thick. (-0.002" to 0.002" Tolerance) | |||||||||
| 5/16" | 0" to 0.007" | 5/8" | -0.005" to 0.005" | 4140 Alloy Steel | Rockwell C40 | Magnetic | 1 | 000000000 | 000000 |
Shim Stock
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. Metal shims include a material certificate with traceable lot number and test report.
PTFE plastic shim stock is slippery, so it can be used to reduce friction between parts. It also has excellent chemical resistance.
For technical drawings and 3-D models, click on a part number.
| Thick. | Thick. Tolerance | Color | Min. Hardness | Temperature Range, °F | Specifications Met | Each | |
8" Wd. × 12" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 0.093" | -0.009" to 0.009" | White | Rockwell R58 | -110° to 500° | ASTM D3308, MIL-T-22241 | 0000000 | 000000 |
Peel-Away Layered Shim Stock
Cut this shim stock it into custom shapes to fit your application. Stock is made of layers of material bonded with adhesive; remove layers with a utility knife until you get the thickness you need. To make the layers easier to pull apart, gently heat the shim to soften the adhesive.
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.
18-8 stainless steel shim stock is more corrosion resistant than carbon steel shim stock.
Carbon steel shim stock has excellent strength and can be welded, but isn't as corrosion resistant as other shim stock.
| Thick. | Thick. Tolerance | No. of Layers | Min. Hardness | Temper Rating | Specifications Met | Magnetic Properties | Each | |
12" × 12" | ||||||||
|---|---|---|---|---|---|---|---|---|
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance) | ||||||||
| 0.093" | -0.003" to 0.009" | 28 | Not Rated | Softened (Annealed) | SAE AMS-DTL-22499 | May Be Mildly Magnetic | 0000000 | 0000000 |
20" × 24" | ||||||||
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance) | ||||||||
| 0.093" | -0.003" to 0.009" | 28 | Not Rated | Softened (Annealed) | SAE AMS-DTL-22499 | May Be Mildly Magnetic | 0000000 | 000000 |
| Thick. | Thick. Tolerance | No. of Layers | Min. Hardness | Temper Rating | Specifications Met | Magnetic Properties | Each | |
12" × 12" | ||||||||
|---|---|---|---|---|---|---|---|---|
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance) | ||||||||
| 0.093" | -0.003" to 0.009" | 28 | Rockwell B60 | Softened (Annealed) | Fed. Spec. QQ-S-698, SAE AMS-DTL-22499 | Magnetic | 0000000 | 000000 |
20" × 24" | ||||||||
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance) | ||||||||
| 0.093" | -0.003" to 0.009" | 28 | Rockwell B60 | Softened (Annealed) | Fed. Spec. QQ-S-698, SAE AMS-DTL-22499 | Magnetic | 0000000 | 000000 |
Electrical-Insulating Sleeve Washers
Also known as shoulder or insulator washers, these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal.
Nylon 6/6 washers have good abrasion resistance. Exposure to moisture may cause them to expand.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Nylon 6/6 Plastic | ||||||||||||
| 1/2" | 0.510" | 1.125" | 0.700" | 0.093" | 0.530" | -40° | 180° | Rockwell R108 | Off-White | 50 | 000000000 | 00000 |
Angled-Edge Washers for Toggle Clamp Holding Screws
Use on clamps with open arms to keep the holding screw in place.
302 stainless steel washers provide better corrosion resistance than steel washers.
For technical drawings and 3-D models, click on a part number.
Split Lock Washers for Socket Head Screws
Also known as high-collar lock washers, these have smaller outside diameters than standard split lock washers to fit neatly under socket head cap screws. As a screw is tightened, they flatten to add tension to the joint and prevent loosening from small amounts of vibration.
Black-oxide steel washers are mildly corrosion resistant in dry environments. Zinc-plated steel washers are corrosion resistant in wet environments.
18-8 stainless steel washers have good chemical resistance and may be mildly magnetic. Black-oxide 18-8 stainless steel washers have a matte black finish.
316 stainless steel washers have excellent resistance to chemicals and salt water. They may be mildly magnetic.
Washers that meet ASME B18.21.1 adhere to strict dimensional standards. Steel washers also meet standards for material properties.
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-Oxide Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C38 | ASME B18.21.1 | 50 | 000000000 | 00000 |
Zinc-Plated Steel | ||||||||
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C38 | ASME B18.21.1 | 50 | 000000000 | 0000 |
18-8 Stainless Steel | ||||||||
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C35 | ASME B18.21.1 | 50 | 000000000 | 0000 |
Black-Oxide 18-8 Stainless Steel | ||||||||
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C35 | ASME B18.21.1 | 25 | 000000000 | 0000 |
316 Stainless Steel | ||||||||
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C35 | ASME B18.21.1 | 50 | 000000000 | 0000 |
Steel | ||||||||
| 5/16" | 0.322" | 0.457" | 0.093" | Rockwell C38 | ASME B18.21.1 | 100 | 000000000 | 0000 |