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    131 Products

    Shim Stock

    Image of Product. Front orientation. Shim Stock. Sold Individually.
    Cut into custom shapes to create shims that suit your needs. With thickness tolerances as fine as a strand of hair, the shims will precisely align, space, and level components on dies, presses, and machinery.
    You can stack multiple shims to achieve your exact thickness, but stacking more than four may cause them to shift. Remember, fewer shims are better, so a couple of thicker shims are more stable than a bunch of thin shims.
    18-8 Stainless Steel—The choice for wet and outdoor areas because it resists rust. However, it will corrode or pit when exposed to salt water and chemicals.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, it won't degrade when exposed to harsh weather, salt water, and most chemicals.
    High-Strength 17-7 PH Stainless Steel—Similar in strength to steel, it won’t rust in wet and outdoor areas but can’t withstand harsh chemicals like 316 stainless steel.
    Extreme-Strength 17-4 PH Stainless Steel—Stronger than 17-7 PH stainless steel, it won’t rust in wet and outdoor areas but can’t withstand harsh chemicals like 316 stainless steel.
    Carbon Steel—Best for dry areas since moisture will cause it to rust.
    Stress-Resistant Spring Steel—Harder and holds its shape better than carbon steel. Use it for high-stress applications, such as leveling heavy machinery. It's best for dry areas since moisture will cause it to rust.
    Aluminum—An alternative to stainless steel for rust resistance but less hard so it may not retain its shape. One-third the weight of steel, it's often used in robotics and automation.
    Brass—Picked for its warm, polished look. Similar to 18-8 stainless steel, it resists rusting in wet and outdoor areas.
    Copper—A good conductor of heat, it’s often used to install heat sinks. As our softest metal, it prevents component damage but may not retain its shape as well as other metals.
    Titanium—Grade 2 titanium, 99% pure, is often used in chemical-processing plants for its resistance to strong acids and other harsh chemicals. It has a high strength-to-weight ratio.
    Ultra-Chemical-Resistant PTFE—The most chemical-resistant shim stock we offer, it stands up to the widest range of harsh acids, bases, solvents, and corrosive cleaners, even at temperatures up to 500° F. It also won't mar delicate surfaces.
    Temper Rating—Choose half hard to create shims that you’ll need to bend or shape. Opt for full hard to make stronger shims that will maintain their shape under loads.
    Thk.
    Thk. Tolerance
    Temper
    Rating
    Color
    Type
    Certificate
    Form
    Specs. Met
    Form
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    6" Wide × 25" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Sheet19011K44000000
     
    6" Wide × 50" Long
    0.006"-0.0003" to 0.0003"1/2 Hard—Material CertificatePaperASTM A666Roll12316K1500000
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Roll19502K4500000
     
    6" Wide × 100" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Roll153755K3600000
     
    8" Wide × 12" Long
    0.006"-0.0003" to 0.0003"1/2 Hard—Material CertificatePaperASTM A666Sheet12316K33200000
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Sheet19011K4900000
     
    12" Wide × 50" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Roll19506K3600000
     
    12" Wide × 100" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Roll19784K1700000
     
    24" Wide × 24" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A240, ASTM A666, SAE AMS5913Sheet19011K1400000
     
    24" Wide × 50" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A666, SAE AMS5906, SAE AMS5913Sheet19784K8600000
     
    Super-Corrosion-Resistant 316 Stainless Steel
     
    6" Wide × 50" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524Roll19548K14600000
     
    8" Wide × 12" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524Sheet12317K2200000
     
    24" Wide × 24" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524Sheet12317K4200000
     
    High-Strength 17-7 PH Stainless Steel
     
    6" Wide × 50" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM A693Roll12325K1400000
     
    Extreme-Strength 17-4 PH Stainless Steel
     
    4" Wide × 60" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM A693Roll13723T44000000
     
    Carbon Steel
     
    6" Wide × 25" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaperASTM A109Sheet19011K1780000
     
    6" Wide × 50" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaper—Roll19500K57800000
     
    6" Wide × 100" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaper—Roll19500K10900000
     
    6" Wide × 180" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaper—Roll19500K70300000
     
    8" Wide × 12" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaperASTM A109Sheet19011K1280000
     
    12" Wide × 120" Long
    0.006"-0.0005" to 0.0005"Full Hard—Material CertificatePaper—Roll19500K40100000
     
    Stress-Resistant Spring Steel
     
    6" Wide × 12" Long
    0.006"-0.0004" to 0.0004"Full Hard—Material CertificatePaperASTM A684, SAE AMS5122Sheet19014K13600000
     
    6" Wide × 25" Long
    0.006"-0.0004" to 0.0004"Full Hard—Material CertificatePaperASTM A684, SAE AMS5122Sheet19014K1300000
     
    6" Wide × 50" Long
    0.006"-0.0004" to 0.0004"Full Hard—Material CertificatePaperASTM A682, ASTM A684, MIL-S-7947Roll19503K3500000
     
    8" Wide × 12" Long
    0.006"-0.0004" to 0.0004"Full Hard—Material CertificatePaperASTM A684, SAE AMS5122Sheet19014K15700000
     
    Aluminum
     
    6" Wide × 50" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM B209Roll19708K5600000
     
    6" Wide × 100" Long
    0.006"-0.0003" to 0.0003"Full Hard—Material CertificatePaperASTM B209Roll19708K1600000
     
    Brass
     
    6" Wide × 50" Long
    0.006"-0.0006" to 0.0006"1/2 Hard—Material CertificatePaperASTM B36Roll19504K32600000
     
    6" Wide × 60" Long
    0.006"-0.0006" to 0.0006"1/2 Hard—Material CertificatePaperASTM B36Roll19504K4900000
     
    6" Wide × 100" Long
    0.006"-0.0006" to 0.0006"1/2 Hard—Material CertificatePaperASTM B36Roll19501K3700000
     
    8" Wide × 12" Long
    0.006"-0.0003" to 0.0003"1/2 Hard—Material CertificatePaperASTM B36Sheet19011K9300000
     
    12" Wide × 120" Long
    0.006"-0.0006" to 0.0006"1/2 Hard—Material CertificatePaperASTM B36Roll19299K4600000
     
    Copper
     
    6" Wide × 50" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM B152Roll19709K9300000
     
    6" Wide × 100" Long
    0.006"-0.0003" to 0.0003"——Material CertificatePaperASTM B152Roll19709K1600000
     
    Titanium
     
    6" Wide × 50" Long
    0.006"-0.0006" to 0.0006"——Material CertificatePaperASTM B265Roll15747T32000000
     
    12" Wide × 50" Long
    0.006"-0.0006" to 0.0006"——Material CertificatePaperASTM B265Roll15747T42000000
     
    Ultra-Chemical-Resistant PTFE
     
    8" Wide × 12" Long
    0.006"-0.0006" to 0.0006"—White——ASTM D3308, MIL-P-22241Sheet11192N53300000
     

    Shims

    Image of Product. Front orientation. Shims. Round, Sold Individually.
    With thickness tolerances as fine as a strand of hair, these shims precisely align, space, and level components on shafts, arbors, and machinery.
    You can stack multiple shims to achieve your exact thickness, but stacking more than four may cause them to shift. Remember, fewer shims are better, so a couple of thicker shims are more stable than a bunch of thin shims.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these shims resist rust. However, they’ll corrode or pit when exposed to salt water and chemicals.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these shims won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Carbon Steel—Best for dry environments since moisture will cause these shims to rust.
    Brass—With a warm, polished look, these shims are often chosen for their appearance. Similar to 18-8 stainless steel, brass is corrosion resistant enough to stand up to wet environments.
    Thk.
    Thk. Tolerance
    ID
    Tolerance
    OD Tolerance
    Min.
    Hardness
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    1/32" ID × 7/64" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A906000000
     
    3/64" ID × 1/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A92600000
     
    1/16" ID × 5/32" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A94600000
     
    5/64" ID × 5/32" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A00600000
     
    3/32" ID × 13/64" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A20600000
     
    1/8" ID × 3/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A30600000
     
    3/16" ID × 1/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A40600000
     
    1/4" ID × 3/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A3270000
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A50600000
     
    5/16" ID × 1/2" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A60600000
     
    11/32" ID × 13/16" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A3300000
     
    3/8" ID × 9/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A70600000
     
    3/8" ID × 5/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A3330000
     
    1/2" ID × 3/4" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A33600000
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—2599040A80600000
     
    5/8" ID × 1" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A33900000
     
    3/4" ID × 1 1/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A34200000
     
    7/8" ID × 1 3/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A34500000
     
    1" ID × 1 1/2" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240598126A34800000
     
    1 1/8" ID × 1 5/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240598126A35100000
     
    1 1/4" ID × 1 3/4" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A2401098126A35400000
     
    1 3/8" ID × 1 7/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240598126A35700000
     
    1 1/2" ID × 2 1/8" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240598126A36000000
     
    1 3/4" ID × 2 3/4" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240598126A36300000
     
    2" ID × 2 3/4" OD
    0.006"-0.0006" to 0.0006"0" to 0.011"-0.002" to 0.002"Rockwell B70ASTM A240198126A3660000
     
    Super-Corrosion-Resistant 316 Stainless Steel
     
    3/32" ID × 13/64" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A33600000
     
    1/8" ID × 3/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A42600000
     
    3/16" ID × 1/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A52600000
     
    1/4" ID × 3/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A62600000
     
    5/16" ID × 1/2" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A72600000
     
    3/8" ID × 9/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A82600000
     
    1/2" ID × 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B90—1090917A92600000
     
    Carbon Steel
     
    1/4" ID × 3/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2490000
     
    11/32" ID × 13/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A7360000
     
    3/8" ID × 5/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2510000
     
    1/2" ID × 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2520000
     
    5/8" ID × 1" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2530000
     
    3/4" ID × 1 1/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2540000
     
    7/8" ID × 1 3/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2550000
     
    1" ID × 1 1/2" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2560000
     
    1 1/8" ID × 1 5/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2570000
     
    1 1/4" ID × 1 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A2580000
     
    1 3/8" ID × 1 7/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A25900000
     
    1 1/2" ID × 2 1/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A26100000
     
    1 3/4" ID × 2 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A26200000
     
    2" ID × 2 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.011"-0.002" to 0.002"Rockwell B65—103088A26300000
     
    Brass
     
    3/32" ID × 13/64" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A2060000
     
    1/8" ID × 3/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A3060000
     
    3/16" ID × 1/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A4060000
     
    1/4" ID × 3/8" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A50600000
     
    5/16" ID × 1/2" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A60600000
     
    3/8" ID × 9/16" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A70600000
     
    1/2" ID × 3/4" OD
    0.006"-0.0005" to 0.0005"0" to 0.005"-0.005" to 0.005"Rockwell B70—1093268A80600000
     

    Adhesive-Back Shim Stock

    Image of Product. Front orientation. Shim Stock. Adhesive-Back Shim Stock.
    Stick with confidence—a durable adhesive keeps this shim stock from sliding out of place. Cut the shim stock into custom shapes to create shims that suit your needs. With thickness tolerances as fine as a strand of hair, the shims will precisely align, space, and level components on dies, presses, and machinery.
    18-8 Stainless Steel—The choice for wet and outdoor areas because it resists rust. However, it will corrode or pit when exposed to salt water and chemicals.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, it won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Aluminum—An alternative to stainless steel for rust resistance but less hard so it may not retain its shape. One-third the weight of steel, it's often used in robotics and automation.
    Brass—Picked for its warm, polished look. Similar to 18-8 stainless steel, it resists rusting in wet and outdoor areas.
    Temper Rating—Choose half hard to create shims that you’ll need to bend or shape. Opt for full hard to make stronger shims that will maintain their shape under loads.
    Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
    Certificate
    Thk.
    Thk. Tolerance
    Material
    Thk.
    Adhesive
    Thk.
    Adhesive
    Type
    Temper
    Rating
    Type
    Form
    Specs.
    Met
    Form
    Each
    18-8 Stainless Steel
     
    8" Wide × 12" Long
    0.006"-0.002" to 0.002"0.004"0.002"AcrylicFull HardMaterial CertificateDigitalASTM A666Sheet2951N213000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
     
    8" Wide × 12" Long
    0.006"-0.0002" to 0.0002"0.004"0.002"Acrylic—Material CertificateDigitalASTM A666Sheet2951N34100000
     
    Aluminum
     
    6" Wide × 12" Long
    0.006"-0.0004" to 0.0004"0.004"0.002"Acrylic—Material CertificateDigitalASTM B479Sheet2951N24100000
     
    Brass
     
    8" Wide × 12" Long
    0.006"-0.0004" to 0.0004"0.004"0.002"Acrylic1/2 HardMaterial CertificateDigitalASTM B36Sheet2951N22800000
     

    Made-to-Order Shims

    Image of Product. Front orientation. Shims. Sold Individually, Made-to-Order.
    If you need a unique shim shape or size, we’ll precision cut it for you. With thickness tolerances as fine as a strand of hair, these shims precisely align, space, and level components on shafts, arbors, and machinery.
    You can stack multiple shims to achieve your exact thickness, but stacking more than four may cause them to shift. Remember, fewer shims are better, so a couple of thicker shims are more stable than a bunch of thin shims.
    Send your dimensioned DWG, DXF, IGES, or STEP file to sales@mcmaster.com. Please leave at least 1/8" wall between shim edge and holes. Minimum hole size is 1/8". Shims should be no smaller than 1" × 1" square or 1" OD. Maximum shim dimension is the largest overall length, width, or diameter of your custom shim.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these shims resist rust. However, they’ll corrode or pit when exposed to salt water and chemicals.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these shims won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Carbon Steel—Best for dry environments since moisture will cause these shims to rust.
    Material Certificate—Shims include a report with a traceable lot number.
    2" × 2" Maximum
    Shim Size
    5" × 5" Maximum
    Shim Size
    7" × 7" Maximum
    Shim Size
    11" × 11" Maximum
    Shim Size
    23" × 23" Maximum
    Shim Size
    Thk.
    Thk. Tolerance
    Min.
    Hardness
    Certificate Type
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0.006"-0.0003" to 0.0003"Rockwell C42Material CertificateASTM A2401611885N177000000411885N193000000911885N2080000000411885N2240000000111885N2390000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    0.006"-0.0003" to 0.0003"Not RatedMaterial CertificateASTM A240, Fed. Spec. QQ-S-7661611885N10600000411885N12200000911885N136000000411885N149000000111885N163000000
     
    Carbon Steel
    0.006"-0.0003" to 0.0003"Rockwell B90Material CertificateASTM A109, Fed. Spec. QQ-S-6981611885N25500000411885N27100000911885N28500000411885N29900000111885N31400000
     

    Wave Spring Lock Washers

    Image of Product. Front orientation. Lock Washers. Wave Washer, Spring Lock Washer.
    The wavy shape flexes like a spring to keep nuts and screws secure on slightly uneven surfaces. These washers add a small amount of tension to stop fasteners from backing out due to mild vibration. While they don't hold as well as other lock washers, they do grip slightly better than curved washers. They work best in electrical panels, light fixtures, and other light duty assemblies. Since these washers hold their shape when untightened, you can reuse them a handful of times without losing strength.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers won't rust when exposed to moisture. However, they can't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these washers have a dark, matte coating to create a finished look. They won't rust in wet and outdoor environments, but can't hold up to harsh chemicals as well as 316 stainless steel.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these washers won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Steel—Best for dry environments since moisture will cause these washers to rust.
    3 Wave—More points of contact than single-wave washers for a better grip.
    For Screw
    Size
    No. of
    Waves
    ID
    OD
    Thk.
    Overall
    Ht.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    No. 6
    		30.147"0.243"0.006"0.050"1092161A02400000
    No. 8
    		10.165"0.285"0.006"0.053"1099842A1110000
    No. 8
    		30.195"0.245"0.006"0.055"1092161A0250000
    No. 12
    		30.245"0.377"0.006"0.030"1090881A1120000
     
    Black-Oxide 18-8 Stainless Steel
    No. 6
    		30.150"0.245"0.006"0.050"1092161A04400000
    No. 8
    		10.165"0.285"0.006"0.053"1099842A33800000
    No. 8
    		30.200"0.250"0.006"0.055"1092161A04500000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    No. 6
    		30.150"0.245"0.006"0.050"1091227A01400000
    No. 8
    		10.165"0.285"0.006"0.053"1093423A11600000
    No. 8
    		30.200"0.250"0.006"0.055"1091227A01500000
     
    Steel
    5/16"
    		30.320"0.437"0.006"0.040"5090134A03000000
     

    Peel-Away Multilayer Shim Stock

    Image of ProductInUse. Front orientation. Shim Stock. Peel Away, Sold Individually, Multilayer.
    Fine-tune thickness without worrying about stacking multiple shims. Cut the shim stock into custom shapes that suit your needs. It's made of layers of material bonded with adhesive—peel off the layers with a utility knife until you reach your desired thickness. To make peeling easier, warm the created shims to soften the adhesive. With thickness tolerances as fine as a strand of hair, the shims will precisely align, space, and level components on dies, presses, and machinery.
    Carbon Steel—Best for dry areas since moisture will cause it to rust.
    Aluminum—An alternative to stainless steel for rust resistance but less hard so it may not retain its shape. One-third the weight of steel, it's often used in robotics and automation.
    Brass—Picked for its warm, polished look. Similar to 18-8 stainless steel, it resists rusting in wet and outdoor areas.
    Temper Rating—Choose half hard to create shims that you’ll need to bend or shape. Opt for full hard to make stronger shims that will maintain their shape under loads.
    Thk.
    Thk. Tolerance
    No. of
    Layers
    Layer
    Thk.
    Temper
    Rating
    Specs. Met
    Form
    Each
    Carbon Steel
     
    12" Wide × 12" Long
    0.006"-0.0005" to 0.001"30.002"—Fed. Spec. QQ-S-698, SAE AMS-DTL-22499Sheet9720K38000000
     
    20" Wide × 24" Long
    0.006"-0.0005" to 0.001"30.002"—Fed. Spec. QQ-S-698, SAE AMS-DTL-22499Sheet9720K1100000
     
    Aluminum
     
    12" Wide × 12" Long
    0.006"-0.0005" to 0.001"30.002"Full HardSAE AMS-DTL-22499Sheet9574K7200000
     
    Brass
     
    8" Wide × 24" Long
    0.006"-0.0005" to 0.001"30.002"1/2 HardSAE AMS-DTL-22499Sheet9521K1100000
     

    Shims for Keyed Shafts

    With a notch or tab, these shims fit snugly on keyed shafts to align and space gears, sprockets, and bearings. On keyed arbors, they’re often used to accurately space saw blades and cutters.
    You can stack multiple shims to achieve your exact thickness, but stacking more than four may cause them to shift. Remember, fewer shims are better, so a couple of thicker shims are more stable than a bunch of thin shims.
    Notch
    Image of Product. Front orientation. Shims. For Keyed Shafts, Sold Individually, Round, Notch.
    Fit these shims around keyed shafts and arbors that have a key inserted. They’re often referred to as arbor spacers.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these shims resist rust. However, they’ll corrode or pit when exposed to salt water and chemicals.
    Notch
    Thk.
    Thk. Tolerance
    ID
    ID
    Tolerance
    OD
    OD Tolerance
    Wd.
    Dp.
    Min.
    Hardness
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    For 1/2" Diameter Shafts
    0.006"-0.0006" to 0.0006"1/2"0" to 0.011"3/4"-0.002" to 0.002"1/8"3/64"Rockwell B801098116A280000000
     
    For 3/4" Diameter Shafts
    0.006"-0.0006" to 0.0006"3/4"0" to 0.011"1 1/8"-0.002" to 0.002"3/16"5/64"Rockwell B801098116A28600000
     
    For 7/8" Diameter Shafts
    0.006"-0.0006" to 0.0006"7/8"0" to 0.011"1 3/8"-0.002" to 0.002"3/16"5/64"Rockwell B801098116A28900000
     
    For 1" Diameter Shafts
    0.006"-0.0006" to 0.0006"1"0" to 0.011"1 1/2"-0.002" to 0.002"1/4"3/32"Rockwell B801098116A29200000
     
    For 1 1/4" Diameter Shafts
    0.006"-0.0006" to 0.0006"1 1/4"0" to 0.011"1 3/4"-0.002" to 0.002"5/16"1/8"Rockwell B80598116A2950000
     
    For 1 1/2" Diameter Shafts
    0.006"-0.0006" to 0.0006"1 1/2"0" to 0.011"2 1/8"-0.002" to 0.002"3/8"5/32"Rockwell B80598116A29800000
     
    For 2" Diameter Shafts
    0.006"-0.0006" to 0.0006"2"0" to 0.011"2 3/4"-0.002" to 0.002"1/2"3/16"Rockwell B80598116A30100000
     
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