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    27 Products

    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.
    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.
    Carbon Steel—Best for dry areas since moisture will cause it to rust.
    Brass—Picked for its warm, polished look. Similar to 18-8 stainless steel, it resists rusting in wet and outdoor areas.
    Polyimide—Originally designed for military aircraft, it’s used in everything from aerospace to electronics where weight, electrical insulation, and precision are vital.
    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.
    Certificate
    Thk.
    Thk. Tolerance
    No. of
    Layers
    Layer
    Thk.
    Temper
    Rating
    Type
    Form
    Specs. Met
    Form
    Each
    18-8 Stainless Steel
     
    12" Wide × 12" Long
    0.124"-0.003" to 0.012"560.002"———SAE AMS-DTL-22499Sheet9718K490000000
     
    20" Wide × 24" Long
    0.124"-0.003" to 0.012"560.002"———SAE AMS-DTL-22499Sheet9718K19000000
     
    Carbon Steel
     
    12" Wide × 12" Long
    0.124"-0.003" to 0.012"560.002"———Fed. Spec. QQ-S-698, SAE AMS-DTL-22499Sheet9720K48000000
     
    20" Wide × 24" Long
    0.124"-0.003" to 0.012"560.002"———Fed. Spec. QQ-S-698, SAE AMS-DTL-22499Sheet9720K21000000
     
    Brass
     
    8" Wide × 24" Long
    0.124"-0.003" to 0.012"560.002"1/2 Hard——SAE AMS-DTL-22499Sheet9521K21000000
     
    12" Wide × 12" Long
    0.124"-0.003" to 0.012"560.002"1/2 Hard——SAE AMS-DTL-22499Sheet9521K76000000
     
    Polyimide
     
    12" Wide × 12" Long
    0.124"-0.003" to 0.012"610.002"—Material CertificatePaperASTM D5213, SAE AMS-DTL-22499Sheet3126N19000000
     

    Peel-Away Multilayer Made-to-Order Shims

    Image of Product. Front orientation. Shims. Multilayer, Sold Individually, Made-to-Order, Peel Away.
    If you need a unique peel-away shim shape or size, we’ll precision cut it for you. Use these shims to fine-tune thickness without worrying about stacking multiple shims. They're made of metal layers bonded with adhesive—peel off the layers with a utility knife until you reach your desired thickness. To make peeling easier, warm the shims to soften the adhesive. With thickness tolerances as fine as a strand of hair, all of these shims precisely align, space, and level components on shafts, arbors, and machinery.
    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 1/4". 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.
    Carbon Steel—Best for dry environments since moisture will cause these shims to rust.
    Aluminum—These shims are an alternative to stainless steel for rust resistance but aren't as hard so they may not retain their shape as well. One-third the weight of steel, they’re commonly used in robotics and automation.
    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.
    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
    No. of
    Layers
    Layer
    Thk.
    Min.
    Hardness
    Certificate Type
    Specs. Met
    Pkg.
    Qty.
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    18-8 Stainless Steel
    0.124"-0.0062" to 0.0062"620.002"Rockwell B80Material CertificateASTM A2401611885N3730000000411885N3790000000911885N386000000000411885N393000000000111885N399000000000
     
    Carbon Steel
    0.124"-0.0062" to 0.0062"620.002"Rockwell B54Material CertificateFed. Spec. QQ-S-6981611885N406000000411885N413000000911885N419000000411885N426000000111885N433000000
     
    Aluminum
    0.124"-0.0062" to 0.0062"620.002"Not RatedMaterial CertificateASTM B209, SAE AMS-DTL-224991611885N439000000411885N446000000911885N453000000411885N459000000111885N466000000
     
    Brass
    0.124"-0.0062" to 0.0062"620.002"Not RatedMaterial CertificateASTM B361611885N473000000411885N479000000911885N48600000000411885N49300000000111885N49900000000
     
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