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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.
Carbon steel shims have excellent strength and can be welded, but aren't as corrosion resistant as other shims.
Spring steel shims are comparable in strength to carbon steel shims, but are harder and hold their shape better. They aren't as corrosion resistant as other shims.
Aluminum shims are lightweight and nonmagnetic. They have good corrosion resistance.
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.
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.
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.3 mm Thick (-0.015 mm to 0.015 mm Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
6mm | -0.13mm to 0.13mm | 12mm | -0.13mm to 0.13mm | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 00000 |
8mm | -0.13mm to 0.13mm | 14mm | -0.13mm to 0.13mm | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
10mm | -0.13mm to 0.13mm | 16mm | -0.13mm to 0.13mm | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
12mm | -0.13mm to 0.13mm | 18mm | -0.13mm to 0.13mm | 316 Stainless Steel | Rockwell B70 | ASTM A240 | 1 | 000000000 | 0000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.055 mm to 0.055 mm Tolerance) | ||||||||
---|---|---|---|---|---|---|---|---|
4mm | -0.3mm to 0.3mm | 8mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
5mm | -0.3mm to 0.3mm | 10mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
6mm | -0.3mm to 0.3mm | 11.94mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
8mm | -0.3mm to 0.3mm | 14mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
10mm | -0.3mm to 0.3mm | 16mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
12mm | -0.3mm to 0.3mm | 18.01mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
14mm | -0.3mm to 0.3mm | 19.99mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
16mm | -0.3mm to 0.3mm | 22mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
18mm | -0.3mm to 0.3mm | 25mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
20mm | -0.3mm to 0.3mm | 27.99mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
22mm | -0.3mm to 0.3mm | 30mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 0000 |
25mm | -0.3mm to 0.3mm | 35.99mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 10 | 000000000 | 00000 |
30mm | -0.3mm to 0.3mm | 42.01mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 10 | 000000000 | 00000 |
35mm | -0.3mm to 0.3mm | 45.01mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 10 | 000000000 | 00000 |
40mm | -0.3mm to 0.3mm | 50.01mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 10 | 000000000 | 00000 |
45mm | -0.3mm to 0.3mm | 55mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 25 | 000000000 | 00000 |
50mm | -0.3mm to 0.3mm | 61.98mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 5 | 000000000 | 00000 |
55mm | -0.3mm to 0.3mm | 68.07mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 5 | 000000000 | 00000 |
60mm | -0.3mm to 0.3mm | 74.93mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 5 | 000000000 | 00000 |
70mm | -0.3mm to 0.3mm | 89.92mm | -0.05mm to 0.05mm | 18-8 Stainless Steel | Rockwell B70 | 1 | 000000000 | 0000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.072 mm to 0.072 mm Tolerance) | ||||||||
---|---|---|---|---|---|---|---|---|
5mm | -0.3mm to 0.3mm | 10mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 00000 |
8mm | -0.3mm to 0.3mm | 14mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 0000 |
10mm | -0.3mm to 0.3mm | 16mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 0000 |
16mm | -0.3mm to 0.3mm | 22mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 0000 |
20mm | -0.3mm to 0.3mm | 28mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 0000000 | 0000 |
22mm | -0.3mm to 0.3mm | 30mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 0000 |
30mm | -0.3mm to 0.3mm | 42mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 5 | 00000000 | 0000 |
40mm | -0.3mm to 0.3mm | 50mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 1 | 00000000 | 0000 |
55mm | -0.3mm to 0.3mm | 68mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 1 | 00000000 | 00000 |
80mm | -0.3mm to 0.3mm | 100mm | -0.5mm to 0.5mm | 1008-1010 Carbon Steel | Rockwell B40 | 1 | 0000000 | 00000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.05 mm to 0 mm Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
4mm | 0.03mm to 0.4mm | 8mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 00000 |
5mm | 0.03mm to 0.4mm | 10mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 0000 |
6mm | 0.03mm to 0.4mm | 12mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 0000 |
8mm | 0.03mm to 0.4mm | 14mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 0000 |
10mm | 0.03mm to 0.4mm | 16mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 0000 |
12mm | 0.03mm to 0.4mm | 18mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 50 | 000000000 | 0000 |
14mm | 0.03mm to 0.4mm | 20mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
16mm | 0.03mm to 0.4mm | 22mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
18mm | 0.03mm to 0.4mm | 25mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
20mm | 0.03mm to 0.4mm | 28mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
22mm | 0.03mm to 0.4mm | 30mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
25mm | 0.03mm to 0.4mm | 36mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 25 | 000000000 | 0000 |
30mm | 0.03mm to 0.4mm | 42mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 10 | 000000000 | 0000 |
35mm | 0.03mm to 0.4mm | 45mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 10 | 000000000 | 0000 |
40mm | 0.03mm to 0.4mm | 50mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 10 | 000000000 | 0000 |
45mm | 0.03mm to 0.4mm | 55mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 10 | 000000000 | 0000 |
50mm | 0.03mm to 0.4mm | 62mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 5 | 000000000 | 0000 |
55mm | 0.03mm to 0.4mm | 68mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 5 | 000000000 | 0000 |
60mm | 0.03mm to 0.4mm | 75mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 5 | 000000000 | 0000 |
70mm | 0.03mm to 0.4mm | 90mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 5 | 000000000 | 0000 |
80mm | 0.03mm to 0.4mm | 100mm | -0.47mm to -0.04mm | 1074-1095 Spring Steel | Rockwell B85 | DIN 988 | 1 | 000000000 | 0000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.072 mm to 0.072 mm Tolerance) | ||||||||
---|---|---|---|---|---|---|---|---|
6mm | -0.3mm to 0.3mm | 12mm | -0.5mm to 0.5mm | Aluminum | Brinell 60 | 5 | 000000000 | 00000 |
20mm | -0.3mm to 0.3mm | 28mm | -0.5mm to 0.5mm | Aluminum | Brinell 60 | 5 | 000000000 | 0000 |
25mm | -0.3mm to 0.3mm | 36mm | -0.5mm to 0.5mm | Aluminum | Brinell 60 | 5 | 000000000 | 00000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Min. Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.072 mm to 0.072 mm Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
6mm | -0.3mm to 0.3mm | 12mm | -0.5mm to 0.5mm | 260-360 Brass | Rockwell B14 | ASTM B36 | 5 | 000000000 | 00000 |
8mm | -0.3mm to 0.3mm | 14mm | -0.5mm to 0.5mm | 260-360 Brass | Rockwell B14 | ASTM B36 | 5 | 000000000 | 0000 |
12mm | -0.3mm to 0.3mm | 18mm | -0.5mm to 0.5mm | 260-360 Brass | Rockwell B14 | ASTM B36 | 5 | 000000000 | 0000 |
ID | ID Tolerance | OD | OD Tolerance | Material | Color | Max. Temp., °F | Pkg. Qty. | Pkg. | |
0.3 mm Thick. (-0.072 mm to 0.072 mm Tolerance) | |||||||||
---|---|---|---|---|---|---|---|---|---|
6mm | -0.3mm to 0.3mm | 12mm | -0.5mm to 0.5mm | PTFE Plastic | White | 630° | 5 | 000000000 | 000000 |
12mm | -0.3mm to 0.3mm | 18mm | -0.5mm to 0.5mm | PTFE Plastic | White | 630° | 5 | 000000000 | 00000 |
20mm | -0.3mm to 0.3mm | 28mm | -0.5mm to 0.5mm | PTFE Plastic | White | 630° | 5 | 000000000 | 00000 |
25mm | -0.3mm to 0.3mm | 36mm | -0.5mm to 0.5mm | PTFE Plastic | White | 630° | 1 | 000000000 | 0000 |
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.
Stainless steel shim stock is more corrosion resistant than steel shim stock.
Carbon steel shim stock has excellent strength and can be welded, but isn't as corrosion resistant as other shims.
For technical drawings and 3-D models, click on a part number.
Thick. | Thick. Tolerance | Min. Hardness | Temper Rating | Certification | Specifications Met | Each | |
150mm Wd. × 1,250mm Lg. | |||||||
---|---|---|---|---|---|---|---|
0.3mm | -0.015mm to 0.015mm | Rockwell C40 | Full Hard | Material Certificate with Traceable Lot Number | ASTM A666 | 00000000 | 000000 |
Thick. | Thick. Tolerance | Min. Hardness | Temper Rating | Certification | Specifications Met | Each | |
150mm Wd. × 2,500mm Lg. | |||||||
---|---|---|---|---|---|---|---|
0.3mm | -0.015mm to 0.015mm | Rockwell B90 | Full Hard | Material Certificate with Traceable Lot Number | ASTM A109, Fed. Spec. QQ-S-698 | 00000000 | 000000 |
Metric Spring Lock Washers
The arched shape of these washers presses up against a bolt and down against a nut to prevent loosening from wear, vibration, or temperature changes. Similar to a spring, they flatten out as pressure is applied, helping to absorb shocks. They grip bolts more tightly than split and tooth lock washers. Unlike split lock washers, which can only be tightened in one direction, these washers have a continuous body that can rotate in either direction.
Conical and curved washers are functionally the same, and are often referenced using their DIN specifications. These DIN specifications refer to slight differences in OD and thickness. DIN 137A is the standard for curved spring lock washers; although this is no longer an active standard, it’s still commonly referenced.
Steel washers are stronger and more wear resistant than zinc-plated steel and stainless steel. They are best for dry environments, since moisture will cause them to rust. Zinc-plated washers have an outer layer of zinc that protects the inner steel from rust and extends the life of the washer.
Stainless steel washers are more corrosion resistant than steel, and almost as strong. 18-8 stainless steel washers will hold up in wet and humid environments, but will corrode if exposed to salt water or chemicals.
For technical drawings and 3-D models, click on a part number.
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.
18-8 stainless steel washers have good chemical resistance and may be mildly magnetic.
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. | |
18-8 Stainless Steel | |||||||||
---|---|---|---|---|---|---|---|---|---|
M2.5 | 2.7 | 5.0 | 0.3 | 1.4 | Not Rated | DIN 137B | 50 | 000000000 | 000000 |