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    360 Products

    Performance

    Performance

    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.
    Highly 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.
    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
    Specs.
    Met
    Mil. Spec.
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0.001"-0.00005" to 0.00005"Rockwell C42ASTM A240—Material Certificate
    		1611885N172000000411885N187000000911885N2030000000411885N2180000000111885N2340000000
    0.002"-0.0001" to 0.0001"Rockwell C42ASTM A240—Material Certificate
    		1611885N17300000411885N18800000911885N204000000411885N219000000111885N235000000
    0.003"-0.00015" to 0.00015"Rockwell C42ASTM A240—Material Certificate
    		1611885N17400000411885N18900000911885N205000000411885N221000000111885N236000000
    0.004"-0.0002" to 0.0002"Rockwell C42ASTM A240—Material Certificate
    		1611885N17500000411885N19100000911885N206000000411885N222000000111885N237000000
    0.005"-0.00025" to 0.00025"Rockwell C42ASTM A240—Material Certificate
    		1611885N17600000411885N19200000911885N207000000411885N223000000111885N238000000
    0.006"-0.0003" to 0.0003"Rockwell C42ASTM A240—Material Certificate
    		1611885N17700000411885N19300000911885N208000000411885N224000000111885N239000000
    0.007"-0.00035" to 0.00035"Rockwell C42ASTM A240—Material Certificate
    		1611885N17800000411885N19400000911885N209000000411885N225000000111885N241000000
    0.008"-0.0004" to 0.0004"Rockwell C42ASTM A240—Material Certificate
    		1611885N17900000411885N19500000911885N211000000411885N226000000111885N242000000
    0.009"-0.00045" to 0.00045"Rockwell C42ASTM A240—Material Certificate
    		1611885N18100000411885N19600000911885N212000000411885N227000000111885N243000000
    0.01"-0.0005" to 0.0005"Rockwell C42ASTM A240—Material Certificate
    		1611885N18200000411885N19700000911885N213000000411885N228000000111885N244000000
    0.015"-0.00075" to 0.00075"Rockwell C42ASTM A240—Material Certificate
    		1611885N18300000411885N19800000911885N214000000411885N229000000111885N245000000
    0.02"-0.001" to 0.001"Rockwell C42ASTM A240—Material Certificate
    		1611885N18400000411885N19900000911885N215000000411885N231000000111885N246000000
    0.025"-0.00125" to 0.00125"Rockwell C42ASTM A240—Material Certificate
    		1611885N18500000411885N20100000911885N216000000411885N232000000111885N247000000
    0.031"-0.00155" to 0.00155"Rockwell C42ASTM A240—Material Certificate
    		1611885N18600000411885N20200000911885N217000000411885N233000000111885N248000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
    0.001"-0.00005" to 0.00005"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10100000411885N11600000————0————0————0
    0.002"-0.0001" to 0.0001"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10200000411885N11700000911885N132000000411885N145000000111885N158000000
    0.003"-0.00015" to 0.00015"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10300000411885N11800000911885N133000000411885N146000000111885N159000000
    0.004"-0.0002" to 0.0002"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10400000411885N11900000911885N134000000411885N147000000111885N161000000
    0.005"-0.00025" to 0.00025"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10500000411885N12100000911885N135000000411885N148000000111885N162000000
    0.006"-0.0003" to 0.0003"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10600000411885N12200000911885N136000000411885N149000000111885N163000000
    0.007"-0.00035" to 0.00035"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10700000411885N12300000911885N137000000411885N151000000111885N164000000
    0.008"-0.0004" to 0.0004"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10800000411885N12400000911885N138000000411885N152000000111885N165000000
    0.009"-0.00045" to 0.00045"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N10900000411885N12500000————0————0————0
    0.01"-0.0005" to 0.0005"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N11100000411885N12600000911885N139000000411885N153000000111885N166000000
    0.015"-0.00075" to 0.00075"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N11200000411885N12700000911885N141000000411885N154000000111885N167000000
    0.02"-0.001" to 0.001"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N113000000411885N128000000911885N142000000411885N155000000111885N168000000
    0.025"-0.00125" to 0.00125"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N11400000411885N12900000911885N143000000411885N156000000111885N169000000
    0.031"-0.00155" to 0.00155"Not RatedASTM A240Fed. Spec. QQ-S-766Material Certificate
    		1611885N115000000411885N131000000911885N144000000411885N157000000111885N171000000
     
    Carbon Steel
    0.001"-0.00005" to 0.00005"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N24900000411885N26500000————0————0————0
    0.002"-0.0001" to 0.0001"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25100000411885N26600000911885N281000000411885N295000000111885N309000000
    0.003"-0.00015" to 0.00015"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25200000411885N26700000911885N282000000411885N296000000111885N311000000
    0.004"-0.0002" to 0.0002"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25300000411885N26800000911885N283000000411885N297000000111885N312000000
    0.005"-0.00025" to 0.00025"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25400000411885N26900000911885N28400000411885N29800000111885N31300000
    0.006"-0.0003" to 0.0003"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25500000411885N27100000911885N28500000411885N29900000111885N31400000
    0.007"-0.00035" to 0.00035"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25600000411885N27200000911885N28600000411885N30100000111885N31500000
    0.008"-0.0004" to 0.0004"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25700000411885N27300000911885N28700000411885N30200000111885N31600000
    0.009"-0.00045" to 0.00045"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25800000411885N27400000911885N28800000411885N30300000111885N31700000
    0.01"-0.0005" to 0.0005"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N25900000411885N27500000911885N28900000411885N30400000111885N31800000
    0.015"-0.00075" to 0.00075"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N26100000411885N27600000911885N29100000411885N30500000111885N31900000
    0.02"-0.001" to 0.001"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N26200000411885N27700000911885N29200000411885N30600000111885N32100000
    0.025"-0.00125" to 0.00125"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N26300000411885N27800000911885N29300000411885N30700000111885N32200000
    0.031"-0.00155" to 0.00155"Rockwell B90ASTM A109Fed. Spec. QQ-S-698Material Certificate
    		1611885N26400000411885N27900000911885N29400000411885N30800000111885N32300000
     
    Brass
    0.001"-0.00005" to 0.00005"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32400000411885N33400000————0————0————0
    0.002"-0.0001" to 0.0001"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32500000411885N33500000911885N344000000411885N352000000111885N359000000
    0.003"-0.00015" to 0.00015"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32600000411885N33600000911885N345000000411885N353000000111885N361000000
    0.004"-0.0002" to 0.0002"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32700000411885N33700000————0————0————0
    0.005"-0.00025" to 0.00025"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32800000411885N33800000911885N346000000411885N354000000111885N362000000
    0.01"-0.0005" to 0.0005"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N32900000411885N33900000911885N347000000411885N355000000111885N363000000
    0.02"-0.001" to 0.001"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N33100000411885N34100000911885N348000000411885N356000000111885N364000000
    0.025"-0.00125" to 0.00125"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N33200000411885N34200000911885N349000000411885N357000000111885N365000000
    0.031"-0.00155" to 0.00155"Rockwell B60ASTM B36Fed. Spec. QQ-B-613Material Certificate
    		1611885N33300000411885N34300000911885N351000000411885N358000000111885N366000000
     

    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
    Specs. Met
    Mil. Spec.
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    0.008"-0.0004" to 0.0004"40.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N3670000000411885N3740000000911885N3810000000411885N3870000000111885N3940000000
    0.016"-0.0008" to 0.0008"80.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N368000000411885N375000000911885N382000000411885N388000000111885N395000000
    0.032"-0.0016" to 0.0016"160.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N369000000411885N376000000911885N383000000411885N389000000111885N396000000
    0.048"-0.0024" to 0.0024"240.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N371000000411885N377000000911885N384000000411885N391000000111885N397000000
    0.062"-0.0031" to 0.0031"320.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N372000000411885N378000000911885N385000000411885N392000000111885N398000000
    0.124"-0.0062" to 0.0062"620.002"Rockwell B80ASTM A240—Material Certificate
    		1611885N373000000411885N379000000911885N38600000000411885N39300000000111885N39900000000
     
    Carbon Steel
    0.008"-0.0004" to 0.0004"40.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N40100000411885N40700000911885N414000000411885N421000000111885N427000000
    0.016"-0.0008" to 0.0008"80.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N40200000411885N40800000911885N415000000411885N422000000111885N428000000
    0.032"-0.0016" to 0.0016"160.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N403000000411885N409000000911885N416000000411885N423000000111885N429000000
    0.048"-0.0024" to 0.0024"240.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N404000000411885N411000000911885N417000000411885N424000000111885N431000000
    0.062"-0.0031" to 0.0031"320.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N405000000411885N412000000911885N418000000411885N425000000111885N432000000
    0.124"-0.0062" to 0.0062"620.002"Rockwell B54—Fed. Spec. QQ-S-698Material Certificate
    		1611885N406000000411885N413000000911885N419000000411885N426000000111885N433000000
     
    Aluminum
    0.008"-0.0004" to 0.0004"40.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N43400000411885N44100000911885N447000000411885N454000000111885N461000000
    0.016"-0.0008" to 0.0008"80.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N43500000411885N44200000911885N448000000411885N455000000111885N462000000
    0.032"-0.0016" to 0.0016"160.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N43600000411885N44300000911885N449000000411885N456000000111885N463000000
    0.048"-0.0024" to 0.0024"240.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N43700000411885N44400000911885N451000000411885N457000000111885N464000000
    0.062"-0.0031" to 0.0031"320.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N438000000411885N445000000911885N452000000411885N458000000111885N465000000
    0.124"-0.0062" to 0.0062"620.002"Not RatedASTM B209, SAE AMS-DTL-22499—Material Certificate
    		1611885N439000000411885N446000000911885N453000000411885N459000000111885N466000000
     
    Brass
    0.008"-0.0004" to 0.0004"40.002"Not RatedASTM B36—Material Certificate
    		1611885N467000000411885N474000000911885N481000000411885N487000000111885N494000000
    0.016"-0.0008" to 0.0008"80.002"Not RatedASTM B36—Material Certificate
    		1611885N468000000411885N475000000911885N482000000411885N488000000111885N495000000
    0.032"-0.0016" to 0.0016"160.002"Not RatedASTM B36—Material Certificate
    		1611885N469000000411885N476000000911885N483000000411885N489000000111885N496000000
    0.048"-0.0024" to 0.0024"240.002"Not RatedASTM B36—Material Certificate
    		1611885N471000000411885N477000000911885N484000000411885N491000000111885N497000000
    0.062"-0.0031" to 0.0031"320.002"Not RatedASTM B36—Material Certificate
    		1611885N472000000411885N478000000911885N485000000411885N492000000111885N498000000
    0.124"-0.0062" to 0.0062"620.002"Not RatedASTM B36—Material Certificate
    		1611885N473000000411885N479000000911885N48600000000411885N49300000000111885N49900000000
     
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