Brass Alloy 316 | McMaster-Carr

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260-360 Brass

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Compliant with Exemptions

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Export Control Classification Number (ECCN)

EAR99

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Shims

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.

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.
Brass





				1/4" ID × 3/8" OD
				0.005"	-0.0008" to 0.0008"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.01"	-0.0013" to 0.0013"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
				0.02"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
				0.032"	-0.0035" to 0.0035"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000



						3/8" ID × 5/8" OD
						0.002"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
						0.005"	-0.0008" to 0.0008"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.01"	-0.0013" to 0.0013"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
						0.016"	-0.0025" to 0.0025"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.02"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.025"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.032"	-0.0035" to 0.0035"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.045"	-0.004" to 0.004"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
						0.063"	-0.005" to 0.005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
						0.09"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.125"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000



								1/2" ID × 3/4" OD
								0.005"	-0.0008" to 0.0008"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.01"	-0.0013" to 0.0013"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.016"	-0.0025" to 0.0025"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.02"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
								0.025"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.032"	-0.0035" to 0.0035"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.045"	-0.004" to 0.004"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.063"	-0.005" to 0.005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.09"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
								0.125"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000



										5/8" ID × 1" OD
										0.005"	-0.0008" to 0.0008"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.01"	-0.0013" to 0.0013"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
										0.016"	-0.0025" to 0.0025"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.02"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
										0.025"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.032"	-0.0035" to 0.0035"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.045"	-0.004" to 0.004"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.063"	-0.005" to 0.005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
										0.09"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	0000
										0.125"	-0.006" to 0.006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000



												3/4" ID × 1 1/8" OD
												0.005"	-0.0008" to 0.0008"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
												0.01"	-0.0013" to 0.0013"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
												0.016"	-0.0025" to 0.0025"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
												0.02"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	0000
												0.025"	-0.003" to 0.003"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
												0.032"	-0.0035" to 0.0035"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
												0.045"	-0.004" to 0.004"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
0.063"												-0.005" to 0.005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
0.09"	-0.006" to 0.006"											0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000
0.125"	-0.006" to 0.006"											0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000



		7/8" ID × 1 3/8" OD
		0.005"	-0.0008" to 0.0008"									0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
		0.01"	-0.0013" to 0.0013"									0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
		0.02"	-0.003" to 0.003"									0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
		0.032"	-0.0035" to 0.0035"									0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
		0.125"	-0.006" to 0.006"									0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000



				1" ID × 1 1/2" OD
				0.005"	-0.0008" to 0.0008"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.01"	-0.0013" to 0.0013"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.016"	-0.0025" to 0.0025"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	0000
				0.02"	-0.003" to 0.003"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.025"	-0.003" to 0.003"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.032"	-0.0035" to 0.0035"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
				0.045"	-0.004" to 0.004"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000
				0.063"	-0.005" to 0.005"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	5	000000000	00000
				0.09"	-0.006" to 0.006"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	1	000000000	0000
				0.125"	-0.006" to 0.006"							0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	1	000000000	0000



						1 1/4" ID × 1 3/4" OD
						0.005"	-0.0008" to 0.0008"					0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.01"	-0.0013" to 0.0013"					0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.02"	-0.003" to 0.003"					0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.032"	-0.0035" to 0.0035"					0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	10	000000000	00000
						0.125"	-0.006" to 0.006"					0" to 0.011"	-0.002" to 0.002"	Rockwell B60	ASTM B36	1	000000000	0000



												6 mm ID × 12 mm OD
												0.1 mm	-0.013 mm to 0.013 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.2 mm	-0.045 mm to 0.045 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.3 mm	-0.072 mm to 0.072 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.5 mm	-0.064 mm to 0.064 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000



												8 mm ID × 14 mm OD
												0.1 mm	-0.013 mm to 0.013 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.2 mm	-0.045 mm to 0.045 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.3 mm	-0.072 mm to 0.072 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
												0.5 mm	-0.064 mm to 0.064 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000
												1 mm	-0.105 mm to 0.105 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000
												1.5 mm	-0.14 mm to 0.14 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
												2 mm	-0.21 mm to 0.21 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000



										10 mm ID × 16 mm OD
										0.2 mm				-0.045 mm to 0.045 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
										0.5 mm	-0.064 mm to 0.064 mm			-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000
										1 mm	-0.105 mm to 0.105 mm			-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
										1.5 mm	-0.14 mm to 0.14 mm			-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
										2 mm	-0.21 mm to 0.21 mm			-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000



														12 mm ID × 18 mm OD
														0.1 mm	-0.013 mm to 0.013 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
0.2 mm														-0.045 mm to 0.045 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
0.3 mm	-0.072 mm to 0.072 mm													-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
0.5 mm	-0.064 mm to 0.064 mm													-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000
1 mm	-0.105 mm to 0.105 mm													-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
1.5 mm	-0.14 mm to 0.14 mm													-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
2 mm	-0.21 mm to 0.21 mm													-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000



		16 mm ID × 22 mm OD
		0.1 mm												-0.013 mm to 0.013 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
		0.2 mm	-0.045 mm to 0.045 mm											-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
		0.5 mm	-0.064 mm to 0.064 mm											-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	25	000000000	00000
		1 mm	-0.105 mm to 0.105 mm											-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
		2 mm	-0.21 mm to 0.21 mm											-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	00000



														20 mm ID × 28 mm OD
														0.5 mm	-0.064 mm to 0.064 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	0000
														1.5 mm	-0.14 mm to 0.14 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000



				25 mm ID × 36 mm OD
				1 mm												-0.105 mm to 0.105 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000



																30 mm ID × 42 mm OD
																0.5 mm	-0.064 mm to 0.064 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	10	000000000	00000
																1 mm	-0.105 mm to 0.105 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
																1.5 mm	-0.14 mm to 0.14 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	1	000000000	0000
																2 mm	-0.21 mm to 0.21 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	1	000000000	0000



																40 mm ID × 50 mm OD
																0.2 mm	-0.045 mm to 0.045 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	1	000000000	0000
																0.5 mm	-0.064 mm to 0.064 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	5	000000000	0000
																2 mm	-0.21 mm to 0.21 mm	-0.3 mm to 0.3 mm	-0.5 mm to 0.5 mm	Rockwell B14	ASTM B36	1	000000000	0000