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About Washers
More
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.
PTFE plastic shims are slippery, so they can be used to reduce friction between parts. They also have excellent chemical resistance.
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. | |
0.06" Thick. (-0.004" to 0.004" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 0" to 0.011" | 3/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 11/32" | 0" to 0.011" | 13/16" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 0000 |
| 3/8" | 0" to 0.011" | 5/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 0000 |
| 1/2" | 0" to 0.011" | 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 00000 |
| 5/8" | 0" to 0.011" | 1" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 3/4" | 0" to 0.011" | 1 1/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 7/8" | 0" to 0.011" | 1 3/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 10 | 000000000 | 00000 |
| 1" | 0" to 0.011" | 1 1/2" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 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 | 0000 |
| 1 1/2" | 0" to 0.011" | 2 1/8" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 0000 |
| 1 3/4" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
| 2" | 0" to 0.011" | 2 3/4" | -0.002" to 0.002" | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 5 | 000000000 | 00000 |
PTFE Plastic
| ID | ID Tolerance | OD | OD Tolerance | Material | Color | Max. Temp., °F | Pkg. Qty. | Pkg. | |
0.06" Thick. (-0.007" to 0.007" Tolerance) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 0" to 0.015" | 3/8" | -0.01" to 0.01" | PTFE Plastic | White | 500° | 10 | 000000000 | 00000 |
| 1/2" | 0" to 0.015" | 3/4" | -0.01" to 0.01" | PTFE Plastic | White | 500° | 10 | 000000000 | 00000 |
| 3/4" | 0" to 0.015" | 1 1/8" | -0.01" to 0.01" | PTFE Plastic | White | 500° | 5 | 000000000 | 0000 |
| 1" | 0" to 0.015" | 1 1/2" | -0.01" to 0.01" | PTFE Plastic | White | 500° | 5 | 000000000 | 00000 |
Shims for Shortening Screw Shoulders
Slide these shims under a screw head to shorten the shoulder length.
Stainless steel shims are more corrosion resistant than spring steel shims.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel
| For Shoulder Dia. | For Screw Size | ID | ID Tolerance | OD | OD Tolerance | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
0.06" Thick. (-0.004" to 0.004" Tolerance)—Inch Threaded | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8" | No. 4 | 1/8" | 0" to 0.012" | 1/4" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 5 | 000000000 | 00000 |
| 3/16" | No. 8 | 3/16" | 0" to 0.012" | 5/16" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 5 | 000000000 | 0000 |
0.06" Thick. (-0.0035" to 0.0035" Tolerance)—Inch Threaded | ||||||||||
| 1/4" | No. 10 | 1/4" | 0" to 0.012" | 3/8" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 25 | 000000000 | 0000 |
| 5/16" | 1/4" | 5/16" | 0" to 0.012" | 7/16" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 25 | 000000000 | 0000 |
| 3/8" | 5/16" | 3/8" | 0" to 0.012" | 9/16" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 25 | 000000000 | 0000 |
| 1/2" | 3/8" | 1/2" | 0" to 0.012" | 3/4" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 25 | 000000000 | 00000 |
| 5/8" | 1/2" | 5/8" | 0" to 0.012" | 7/8" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 10 | 000000000 | 0000 |
| 3/4" | 5/8" | 3/4" | 0" to 0.012" | 1" | -0.005" to 0.002" | Rockwell B70 | May Be Mildly Magnetic | 10 | 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. | |
0.06" Thick. (-0.0035" to 0.0035" 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 | 5 | 000000000 | 00000 |
| 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 | 5 | 000000000 | 00000 |
| 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 |
Shims for D-Profile Shafts
These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing. They're made of carbon steel for strength and weldability.
| For Shaft Dia. | ID | ID Tolerance | OD | OD Tolerance | Flat Wd. | Material | Min. Hardness | Magnetic Properties | Each | |
0.06" Thick (-0.003" to 0.003" Tolerance) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/8" | 0.385" | -0.01" to 0.01" | 5/8" | -0.01" to 0.01" | 0.173" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 00000 |
| 1/2" | 0.51" | -0.01" to 0.01" | 3/4" | -0.01" to 0.01" | 0.235" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 0000 |
| 5/8" | 0.635" | -0.01" to 0.01" | 1" | -0.01" to 0.01" | 0.298" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 0000 |
| 3/4" | 0.76" | -0.01" to 0.01" | 1 1/8" | -0.01" to 0.01" | 0.36" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 00000 |
| 1" | 1.01" | -0.01" to 0.01" | 1 1/2" | -0.01" to 0.01" | 0.485" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 00000 |
| 1 1/4" | 1.26" | -0.01" to 0.01" | 1 3/4" | -0.01" to 0.01" | 0.61" | 1008-1010 Carbon Steel | Rockwell B60 | Magnetic | 000000000 | 00000 |
Slotted Shims
The slot lets you insert, remove, and adjust the shims without disassembling your machinery, while the tab keeps fingers and tools away from machine feet. Use an insertion tool (sold separately) for better leverage and reach. Shims are etched with the thickness.
18-8 stainless steel shims have a balance of strength and corrosion resistance.
For technical drawings and 3-D models, click on a part number.
18-8 Stainless Steel—Inch
Slotted Shims | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Slot | Each | Insertion Tools | |||||||||||
| Thick. | Thick. Tolerance | Lg. | Wd. | Wd. | Dp. | For Max. Screw Size | Min. Hardness | Magnetic Properties | 1-9 | 10-Up | Each | ||
Trade Size A | |||||||||||||
| 0.06" | -0.002" to 0.002" | 2" | 2" | 9/16" | 1 9/32" | 1/2" | Rockwell B85 | May Be Mildly Magnetic | 00000000 | 00000 | 00000 | 000000000 | 00000 |
Trade Size AA | |||||||||||||
| 0.06" | -0.002" to 0.002" | 1 1/2" | 1 1/2" | 7/16" | 61/64" | 3/8" | Rockwell B85 | May Be Mildly Magnetic | 000000000 | 0000 | 0000 | 0000000 | 0000 |
Trade Size AAA | |||||||||||||
| 0.06" | -0.002" to 0.002" | 1" | 1" | 1/4" | 5/8" | 1/4" | Rockwell B70 | May Be Mildly Magnetic | 000000000 | 0000 | 0000 | 00000000 | 0000 |
Trade Size B | |||||||||||||
| 0.06" | -0.002" to 0.002" | 3" | 3" | 13/16" | 1 29/32" | 3/4" | Rockwell B85 | May Be Mildly Magnetic | 00000000 | 0000 | 0000 | 00000000 | 0000 |
Trade Size BB | |||||||||||||
| 0.06" | -0.002" to 0.002" | 2 1/2" | 2 1/2" | 11/16" | 1 19/32" | 5/8" | Rockwell B85 | May Be Mildly Magnetic | 000000000 | 0000 | 0000 | 000000000 | 0000 |
Trade Size C | |||||||||||||
| 0.06" | -0.002" to 0.002" | 4" | 4" | 1 3/16" | 2 19/32" | 1 1/8" | Rockwell B85 | May Be Mildly Magnetic | 00000000 | 0000 | 0000 | 00000000 | 0000 |
Trade Size D | |||||||||||||
| 0.06" | -0.002" to 0.002" | 5" | 5" | 1 9/16" | 3 9/32" | 1 1/2" | Rockwell B85 | May Be Mildly Magnetic | 00000000 | 0000 | 0000 | 000000000 | 0000 |
Trade Size DD | |||||||||||||
| 0.06" | -0.002" to 0.002" | 6" | 5" | 1 9/16" | 4 1/2" | 1 1/2" | Rockwell B70 | May Be Mildly Magnetic | 000000000 | 0000 | 0000 | 000000 | 00 |
Trade Size E | |||||||||||||
| 0.06" | -0.002" to 0.002" | 6" | 6" | 1 15/16" | 4" | 1 7/8" | Rockwell B85 | May Be Mildly Magnetic | 000000000 | 00000 | 0000 | 00000000 | 0000 |
Trade Size G | |||||||||||||
| 0.06" | -0.002" to 0.002" | 6" | 6" | 2 5/16" | 4 3/16" | 2 1/4" | Rockwell B85 | May Be Mildly Magnetic | 000000000 | 00000 | 0000 | 00000000 | 0000 |
Trade Size H | |||||||||||||
| 0.06" | -0.002" to 0.002" | 8" | 8" | 2 5/16" | 5 3/16" | 2 1/4" | Rockwell B85 | May Be Mildly Magnetic | 000000000 | 00000 | 00000 | 000000000 | 0000 |
Color-Coded Slotted Shims
These shims are color-coded by thickness for easy identification. The slot lets you insert, remove, and adjust the shims without disassembling your machinery. Shims are corrosion resistant.
Painted aluminum shims are stronger than plastic shims.
Plastic shims work well in light duty applications.
For technical drawings and 3-D models, click on a part number.
Painted Aluminum Shims
Slot | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Color | Lg. | Wd. | Wd. | Dp. | For Max. Screw Size | Material | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
Trade Size A | |||||||||||||
| 0.06" | -0.006" to 0.006" | Gray | 2" | 2" | 7/16" | 1 7/32" | 3/8" | Painted 3003 Aluminum | Not Rated | Nonmagnetic | 20 | 0000000 | 000000 |
Trade Size B | |||||||||||||
| 0.06" | -0.006" to 0.006" | Gray | 3" | 3" | 9/16" | 1 25/32" | 1/2" | Painted 3003 Aluminum | Not Rated | Nonmagnetic | 10 | 0000000 | 00000 |
Polyester Plastic Shims
Slot | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thick. | Thick. Tolerance | Color | Lg. | Wd. | Wd. | Dp. | For Max. Screw Size | Material | Max. Temperature, °F | Pkg. Qty. | Pkg. | |
Trade Size A | ||||||||||||
| 0.06" | -0.006" to 0.006" | Clear | 2" | 2" | 7/16" | 1 7/32" | 3/8" | Polyester Plastic | 140° | 10 | 0000000 | 000000 |
Trade Size AA | ||||||||||||
| 0.06" | -0.006" to 0.006" | Clear | 1 1/2" | 1 1/2" | 3/8" | 15/16" | 5/16" | Polyester Plastic | 140° | 5 | 00000000 | 00000 |
Trade Size B | ||||||||||||
| 0.06" | -0.006" to 0.006" | Clear | 3" | 3" | 9/16" | 1 25/32" | 1/2" | Polyester Plastic | 140° | 5 | 0000000 | 00000 |
Trade Size C | ||||||||||||
| 0.06" | -0.006" to 0.006" | Clear | 4" | 4" | 1" | 2 1/2" | 7/8" | Polyester Plastic | 140° | 1 | 0000000 | 0000 |
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.
PTFE Sheets
| Thick. | Thick. Tolerance | Color | Min. Hardness | Temperature Range, °F | Specifications Met | Each | |
8" Wd. × 12" Lg. | |||||||
|---|---|---|---|---|---|---|---|
| 0.06" | -0.006" to 0.006" | White | Rockwell R58 | -110° to 500° | ASTM D3308, MIL-T-22241 | 000000 | 000000 |
12" Wd. × 24" Lg. | |||||||
| 0.06" | -0.006" to 0.006" | White | Rockwell R58 | -110° to 500° | ASTM D3308, MIL-T-22241 | 0000000 | 000000 |
20" Wd. × 50" Lg. | |||||||
| 0.06" | -0.006" to 0.006" | White | Rockwell R58 | -110° to 500° | ASTM D3308, MIL-T-22241 | 0000000 | 000000 |
Color-Coded Shim Stock
This shim stock is color-coded by thickness for easy identification. Cut it into custom shapes to fit your application. Shim stock is corrosion resistant. Sheets come flat packed.
Plastic shim stock works well in light duty applications. It's easier to cut than aluminum stock.
Plastic
| Thick. | Thick. Tolerance | Color | Material | Max. Temperature, °F | Each | |
Sheet | ||||||
|---|---|---|---|---|---|---|
5" Wd. × 20" Lg. | ||||||
| 0.06" | -0.006" to 0.006" | Clear | PETG Plastic | 140° | 0000000 | 00000 |
10" Wd. × 20" Lg. | ||||||
| 0.06" | -0.006" to 0.006" | Clear | PETG Plastic | 140° | 0000000 | 00000 |
12" Wd. × 24" Lg. | ||||||
| 0.06" | -0.006" to 0.006" | Clear | PETG Plastic | 140° | 00000000 | 00000 |
20" Wd. × 20" Lg. | ||||||
| 0.06" | -0.006" to 0.006" | Clear | PETG Plastic | 140° | 0000000 | 00000 |
20" Wd. × 50" Lg. | ||||||
| 0.06" | -0.006" to 0.006" | Clear | PETG Plastic | 140° | 00000000 | 00000 |
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 | ||||||||||||
| 1/4" | 0.260" | 0.562" | 0.375" | 0.060" | 0.120" | -40° | 180° | __ | Black | 100 | 000000000 | 00000 |
| 1/4" | 0.260" | 0.562" | 0.375" | 0.060" | 0.120" | -40° | 180° | Rockwell M71 | Off-White | 100 | 000000000 | 0000 |
| 3/8" | 0.385" | 0.750" | 0.500" | 0.060" | 0.120" | -40° | 180° | __ | Black | 100 | 000000000 | 0000 |
| 3/8" | 0.385" | 0.750" | 0.500" | 0.060" | 0.120" | -40° | 180° | Rockwell M71 | Off-White | 100 | 000000000 | 0000 |
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)