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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.
Stainless steel shims are more corrosion resistant than steel shims. 316 stainless steel shims have the best corrosion resistance of our stainless steel shims.
Brass and copper shims are corrosion resistant and nonmagnetic. Copper shims are good conductors of heat and electricity, so these shims are often used when installing heat sinks.
For technical drawings and 3-D models, click on a part number.
316 Stainless Steel
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.09" Thick. (-0.008" to 0.008" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 11/32" | 0" to 0.011" | 13/16" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 000000 |
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 1 1/8" | 0" to 0.011" | 1 5/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 1 3/8" | 0" to 0.011" | 1 7/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1 1/2" | 0" to 0.011" | 2 1/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1 3/4" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 2" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
18-8 Stainless Steel
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.09" Thick. (-0.008" to 0.008" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 11/32" | 0" to 0.011" | 13/16" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 00000 |
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 00000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 00000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1 1/8" | 0" to 0.011" | 1 5/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 1 3/8" | 0" to 0.011" | 1 7/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 1 1/2" | 0" to 0.011" | 2 1/8" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 1 3/4" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
| 2" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 18-8 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
260-360 Brass
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.09" Thick. (-0.006" to 0.006" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 000000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 10 | 000000000 | 00000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 5 | 000000000 | 0000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 5 | 000000000 | 00000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 260-360 Brass | Rockwell B60 | ASTM B36 | 1 | 000000000 | 0000 |
110 Copper
| ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.09" Thick. (-0.008" to 0.008" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 110 Copper | Not Rated | ASTM B152 | 10 | 000000000 | 00000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 110 Copper | Not Rated | ASTM B152 | 10 | 000000000 | 0000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 110 Copper | Not Rated | ASTM B152 | 10 | 000000000 | 00000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 110 Copper | Not Rated | ASTM B152 | 10 | 000000000 | 00000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 110 Copper | Not Rated | ASTM B152 | 5 | 000000000 | 00000 |
Shims for Keyed Shafts
Precisely shaped to fit snugly on keyed shafts, these shims align, level, and space components. Because of their tight fit, they also help components rotate in unison with the shaft.
Shims with a notch need the key inserted. They’re often referred to as arbor spacers.
Stainless steel shims are more corrosion resistant than carbon steel shims. Use them in wet environments where rust is a concern.
For technical drawings and 3-D models, click on a part number.
With Notch—18-8 Stainless Steel
Stainless Steel Shim with Notch
Notch | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | ID | ID Tolerance | OD | OD Tolerance | Wd. | Dp. | Minimum Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
0.09" Thick. (-0.005" to 0.005" Tolerance) | |||||||||||
| 1" | 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 1/4" | 3/32" | Rockwell B80 | May Be Mildly Magnetic | 5 | 000000000 | 000000 |
| 1 1/4" | 1 1/4" | 0" to 0.011" | 1 3/4" | -0.002" to 0.002" | 5/16" | 1/8" | Rockwell B80 | May Be Mildly Magnetic | 1 | 000000000 | 0000 |
| 1 1/2" | 1 1/2" | 0" to 0.011" | 2 1/8" | -0.002" to 0.002" | 3/8" | 5/32" | Rockwell B80 | May Be Mildly Magnetic | 1 | 000000000 | 0000 |
| 2" | 2" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 1/2" | 3/16" | Rockwell B80 | May Be Mildly Magnetic | 1 | 000000000 | 0000 |
Sleeve Washers for Soft Material
Reinforce holes in soft material to keep them from collapsing around screws.
Black-oxide steel washers have a corrosion-resistant exterior that's good for mostly dry environments.
For technical drawings and 3-D models, click on a part number.
| For Screw Size | ID | OD | Sleeve OD | Thick. | Overall Ht. | Hardness | Each | |
Black-Oxide Steel | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/4" | 0.260" | 0.562" | 0.317" | 0.090" | 0.315" | Rockwell C35 | 000000000 | 00000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)