Fed. Spec. QQ-B-613 Shims

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System of Measurement

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Maximum Shim Size

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Material Certificate with Traceable Lot Number and Test Report

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

Hardness

Rockwell B60

Hole Size

1/8"

Military Specification

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Fed. Spec. QQ-B-613

Fed. Spec. QQ-S-698

Fed. Spec. QQ-S-766

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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39 Products

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.

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.
Brass



		0.001"	-0.00005" to 0.00005"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N324	000000	4	11885N334	000000	—	———	0	—	———	0	—	———	0


		0.002"	-0.0001" to 0.0001"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N325	00000	4	11885N335	00000	9	11885N344	0000000	4	11885N352	0000000	1	11885N359	0000000
		0.003"	-0.00015" to 0.00015"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N326	00000	4	11885N336	00000	9	11885N345	000000	4	11885N353	000000	1	11885N361	000000
		0.004"	-0.0002" to 0.0002"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N327	00000	4	11885N337	00000	—	———	0	—	———	0	—	———	0
		0.005"	-0.00025" to 0.00025"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N328	00000	4	11885N338	00000	9	11885N346	000000	4	11885N354	000000	1	11885N362	000000
		0.01"	-0.0005" to 0.0005"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N329	00000	4	11885N339	00000	9	11885N347	000000	4	11885N355	000000	1	11885N363	000000
		0.02"	-0.001" to 0.001"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N331	00000	4	11885N341	00000	9	11885N348	000000	4	11885N356	000000	1	11885N364	000000
		0.025"	-0.00125" to 0.00125"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N332	00000	4	11885N342	00000	9	11885N349	000000	4	11885N357	000000	1	11885N365	000000
		0.031"	-0.00155" to 0.00155"	Rockwell B60	ASTM B36	Fed. Spec. QQ-B-613	Material Certificate	16	11885N333	00000	4	11885N343	00000	9	11885N351	000000	4	11885N358	000000	1	11885N366	000000