0.006" Shims | McMaster-Carr

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.

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.

	Thk.	Thk. Tolerance	ID Tolerance	OD Tolerance	Min. Hardness	Certificate Type	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	—	—	25	99040A906	000000




						3/64" ID × 1/8" OD

						0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	Material Certificate	—	25	99040A926	00000




								1/16" ID × 5/32" OD

								0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A946	00000




										5/64" ID × 5/32" OD

										0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A006	00000




												3/32" ID × 13/64" OD

												0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A206	00000




														1/8" ID × 3/16" OD

														0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A306	00000




																3/16" ID × 1/4" OD

																0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A406	00000




																		1/4" ID × 3/8" OD

																		0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A327	0000


																		0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A506	00000




																		5/16" ID × 1/2" OD

																		0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A606	00000




																		11/32" ID × 13/16" OD

																		0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A330	0000




																		3/8" ID × 9/16" OD

																		0.006"	-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A706	00000




																		3/8" ID × 5/8" OD

																		0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A333	0000




																		1/2" ID × 3/4" OD

																		0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A336	00000


										0.006"	-0.0005" to 0.0005"							0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	25	99040A806	00000




												5/8" ID × 1" OD

												0.006"	-0.0006" to 0.0006"					0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A339	00000




																		3/4" ID × 1 1/8" OD

														0.006"	-0.0006" to 0.0006"			0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A342	00000




																		7/8" ID × 1 3/8" OD

																0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	10	98126A345	00000




																		1" ID × 1 1/2" OD

																		0.006"	-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	5	98126A348	00000




																		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 B70	—	ASTM A240	5	98126A351	00000




																		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 B70	—	ASTM A240	10	98126A354	00000




																		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 B70	—	ASTM A240	5	98126A357	00000




																		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 B70	—	ASTM A240	5	98126A360	00000




																		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 B70	—	ASTM A240	5	98126A363	00000




											2" ID × 2 3/4" OD

											0.006"								-0.0006" to 0.0006"	0" to 0.011"	-0.002" to 0.002"	Rockwell B70	—	ASTM A240	1	98126A366	0000


											Highly 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	—	—	10	90917A336	00000




																				1/8" ID × 3/16" OD

																0.006"				-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B90	—	—	10	90917A426	00000




3/16" ID × 1/4" OD

0.006"	-0.0005" to 0.0005"																			0" to 0.005"	-0.005" to 0.005"	Rockwell B90	—	—	10	90917A526	00000




																				1/4" ID × 3/8" OD

		0.006"	-0.0005" to 0.0005"																	0" to 0.005"	-0.005" to 0.005"	Rockwell B90	—	—	10	90917A626	00000




																				5/16" ID × 1/2" OD

				0.006"	-0.0005" to 0.0005"															0" to 0.005"	-0.005" to 0.005"	Rockwell B90	—	—	10	90917A726	00000




																				3/8" ID × 9/16" OD

						0.006"	-0.0005" to 0.0005"													0" to 0.005"	-0.005" to 0.005"	Rockwell B90	Material Certificate	—	10	90917A826	00000




																				1/2" ID × 3/4" OD

								0.006"	-0.0005" to 0.0005"											0" to 0.005"	-0.005" to 0.005"	Rockwell B90	Material Certificate	—	10	90917A926	00000


								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	—	—	10	3088A249	0000




																				11/32" ID × 13/16" OD

												0.006"								-0.0005" to 0.0005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A736	0000




																				3/8" ID × 5/8" OD

														0.006"						-0.0005" to 0.0005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A251	0000




																				1/2" ID × 3/4" OD

																0.006"				-0.0005" to 0.0005"	0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A252	0000




5/8" ID × 1" OD

0.006"	-0.0005" to 0.0005"																			0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A253	0000




																				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	—	—	10	3088A254	0000




																				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	—	—	10	3088A255	0000




																				1" ID × 1 1/2" OD

						0.006"	-0.0005" to 0.0005"													0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A256	0000




																				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	—	—	10	3088A257	0000




										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	—	—	10	3088A258	0000




																				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	—	—	10	3088A259	00000




																				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	—	—	10	3088A261	00000




																				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	—	—	10	3088A262	00000




																				2" ID × 2 3/4" OD

																0.006"	-0.0005" to 0.0005"			0" to 0.011"	-0.002" to 0.002"	Rockwell B65	—	—	10	3088A263	00000


																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	—	—	10	93268A206	0000




																				1/8" ID × 3/16" OD

				0.006"	-0.0005" to 0.0005"															0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	10	93268A306	0000




																				3/16" ID × 1/4" OD

						0.006"	-0.0005" to 0.0005"													0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	10	93268A406	0000




																				1/4" ID × 3/8" OD

								0.006"	-0.0005" to 0.0005"											0" to 0.005"	-0.005" to 0.005"	Rockwell B70	Material Certificate	—	10	93268A506	00000




																				5/16" ID × 1/2" OD

										0.006"										-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	—	—	10	93268A606	00000




																				3/8" ID × 9/16" OD

											0.006"									-0.0005" to 0.0005"	0" to 0.005"	-0.005" to 0.005"	Rockwell B70	Material Certificate	—	10	93268A706	00000




																				1/2" ID × 3/4" OD

												0.006"	-0.0005" to 0.0005"							0" to 0.005"	-0.005" to 0.005"	Rockwell B70	Material Certificate	—	10	93268A806	00000

Shim Stock

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.

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.

Highly 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.

					Certificate
	Thk.	Thk. Tolerance	Temper Rating	Color	Type	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 Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Sheet	1	9011K44	000000




						6" Wide × 50" Long

						0.006"	-0.0003" to 0.0003"	1/2 Hard	—	Material Certificate	Paper	ASTM A666	Roll	1	2316K611	00000


						0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Roll	1	9502K45	00000




								6" Wide × 100" Long

								0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Roll	1	53755K36	00000




										8" Wide × 12" Long

										0.006"	-0.0003" to 0.0003"	1/2 Hard	—	Material Certificate	Paper	ASTM A666	Sheet	1	2316K332	00000


										0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Sheet	1	9011K49	00000




												12" Wide × 50" Long

												0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Roll	1	9506K36	00000




														12" Wide × 100" Long

														0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Roll	1	9784K17	00000




																24" Wide × 24" Long

																0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A240, ASTM A666, SAE AMS5913	Sheet	1	9011K14	00000




																		24" Wide × 50" Long

0.006"																		-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A666, SAE AMS5906, SAE AMS5913	Sheet	1	9784K86	00000


Highly Corrosion-Resistant 316 Stainless Steel







																		6" Wide × 50" Long

				0.006"														-0.0003" to 0.0003"	—	—	Material Certificate	Paper	ASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524	Roll	1	9548K146	00000




																		8" Wide × 12" Long

																		0.006"	-0.0003" to 0.0003"	—	—	Material Certificate	Paper	ASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524	Sheet	1	2317K22	00000




																		24" Wide × 24" Long

																		0.006"	-0.0003" to 0.0003"	—	—	Material Certificate	Paper	ASTM A240, ASTM A666, SAE AMS5507, SAE AMS5524	Sheet	1	2317K42	00000


								High-Strength 17-7 PH Stainless Steel







																				6" Wide × 50" Long

																				0.006"	-0.0003" to 0.0003"	Full Hard	—	Material Certificate	Paper	ASTM A693	Roll	1	2325K14	00000


										Extreme-Strength 17-4 PH Stainless Steel







																				4" Wide × 60" Long

																				0.006"	-0.0003" to 0.0003"	—	—	Material Certificate	Paper	ASTM A693	Roll	1	3723T44	000000


														Carbon Steel







																	6" Wide × 25" Long

																	0.006"				-0.0005" to 0.0005"	Full Hard	—	Material Certificate	Paper	ASTM A109	Sheet	1	9011K178	0000




																	6" Wide × 50" Long

		0.006"															-0.0005" to 0.0005"				Full Hard	—	Material Certificate	Paper	—	Roll	1	9500K578	00000




																	6" Wide × 100" Long

				0.006"													-0.0005" to 0.0005"				Full Hard	—	Material Certificate	Paper	—	Roll	1	9500K109	00000




																	6" Wide × 180" Long

						0.006"											-0.0005" to 0.0005"				Full Hard	—	Material Certificate	Paper	—	Roll	1	9500K703	00000




																	8" Wide × 12" Long

																	0.006"				-0.0005" to 0.0005"	Full Hard	—	Material Certificate	Paper	ASTM A109	Sheet	1	9011K128	0000




																	12" Wide × 120" Long

																	0.006"				-0.0005" to 0.0005"	Full Hard	—	Material Certificate	Paper	—	Roll	1	9500K401	00000


																	Stress-Resistant Spring Steel







																		6" Wide × 12" Long

												0.006"	-0.0004" to 0.0004"					Full Hard	—			Material Certificate	Paper	ASTM A684, SAE AMS5122	Sheet	1	9014K136	00000




																		6" Wide × 25" Long

														0.006"				-0.0004" to 0.0004"	Full Hard			—	Material Certificate	Paper	ASTM A684, SAE AMS5122	Sheet	1	9014K13	00000




																		6" Wide × 50" Long

																0.006"		-0.0004" to 0.0004"	Full Hard			—	Material Certificate	Paper	ASTM A682, ASTM A684, MIL-S-7947	Roll	1	9503K35	00000




8" Wide × 12" Long

0.006"	-0.0004" to 0.0004"																		Full Hard			—	Material Certificate	Paper	ASTM A684, SAE AMS5122	Sheet	1	9014K157	00000


Aluminum







																			6" Wide × 50" Long

																			0.006"	-0.0003" to 0.0003"		Full Hard	—	Material Certificate	Paper	ASTM B209	Roll	1	9708K56	00000




																			6" Wide × 100" Long

																			0.006"	-0.0003" to 0.0003"		Full Hard	—	Material Certificate	Paper	ASTM B209	Roll	1	9708K16	00000


						Brass







																			6" Wide × 50" Long

																			0.006"	-0.0006" to 0.0006"		1/2 Hard	—	Material Certificate	Paper	ASTM B36	Roll	1	9504K326	00000




																				6" Wide × 60" Long

																				0.006"		-0.0006" to 0.0006"	1/2 Hard	—	Material Certificate	Paper	ASTM B36	Roll	1	9504K49	00000




																				6" Wide × 100" Long

																				0.006"	-0.0006" to 0.0006"	1/2 Hard	—	Material Certificate	Paper	ASTM B36	Roll	1	9501K37	00000




																				8" Wide × 12" Long

																				0.006"	-0.0003" to 0.0003"	1/2 Hard	—	Material Certificate	Paper	ASTM B36	Sheet	1	9011K93	00000




																				12" Wide × 120" Long

																				0.006"	-0.0006" to 0.0006"	1/2 Hard	—	Material Certificate	Paper	ASTM B36	Roll	1	9299K46	00000


																Copper







																				6" Wide × 50" Long

		0.006"	-0.0003" to 0.0003"																	—	—	Material Certificate	Paper	ASTM B152	Roll	1	9709K93	00000




																				6" Wide × 100" Long

				0.006"	-0.0003" to 0.0003"															—	—	Material Certificate	Paper	ASTM B152	Roll	1	9709K16	00000


				Titanium







																				6" Wide × 50" Long

								0.006"												-0.0006" to 0.0006"	—	—	Material Certificate	Paper	ASTM B265	Roll	1	5747T32	000000




																				12" Wide × 50" Long

																	0.006"			-0.0006" to 0.0006"	—	—	Material Certificate	Paper	ASTM B265	Roll	1	5747T42	000000


																	Ultra-Chemical-Resistant PTFE







																				8" Wide × 12" Long

																				0.006"	-0.0006" to 0.0006"	—	White	—	—	ASTM D3308, MIL-P-22241	Sheet	1	1192N533	00000

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.

Highly 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"	-0.0002" to 0.0002"	0.004"	0.002"	Acrylic	Full Hard	Material Certificate	Digital	ASTM A666	Sheet	2951N213	000000


				Highly Corrosion-Resistant 316 Stainless Steel







								8" Wide × 12" Long

								0.006"	-0.0002" to 0.0002"	0.004"	0.002"	Acrylic	—	Material Certificate	Digital	ASTM A666	Sheet	2951N341	00000


								Aluminum







												6" Wide × 12" Long

												0.006"	-0.0004" to 0.0004"	0.004"	0.002"	Acrylic	—	Material Certificate	Digital	ASTM B479	Sheet	2951N241	00000


												Brass







																8" Wide × 12" Long

																0.006"	-0.0004" to 0.0004"	0.004"	0.002"	Acrylic	1/2 Hard	Material Certificate	Digital	ASTM B36	Sheet	2951N228	00000

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.

	Layer Thk.	Temper Rating	Specs. Met	Form		Each
Carbon Steel







	12" Wide × 12" Long

	0.006"	-0.0005" to 0.001"	3	0.002"	—	Fed. Spec. QQ-S-698, SAE AMS-DTL-22499	Sheet	9720K38	000000




			20" Wide × 24" Long

			0.006"	-0.0005" to 0.001"	3	0.002"	—	Fed. Spec. QQ-S-698, SAE AMS-DTL-22499	Sheet	9720K11	00000


			Aluminum







							12" Wide × 12" Long

							0.006"	-0.0005" to 0.001"	3	0.002"	Full Hard	SAE AMS-DTL-22499	Sheet	9574K72	00000


							Brass







											8" Wide × 24" Long

											0.006"	-0.0005" to 0.001"	3	0.002"	1/2 Hard	SAE AMS-DTL-22499	Sheet	9521K11	00000

Made-to-Order Shims

Image of Product. Front orientation. Shims. Made-to-Order, Sold Individually.

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.

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.

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 C42	Material Certificate	ASTM A240	16	11885N177	000000	4	11885N193	000000	9	11885N208	0000000	4	11885N224	0000000	1	11885N239	0000000


		Highly Corrosion-Resistant 316 Stainless Steel



				0.006"	-0.0003" to 0.0003"	Not Rated	Material Certificate	ASTM A240, Fed. Spec. QQ-S-766	16	11885N106	00000	4	11885N122	00000	9	11885N136	000000	4	11885N149	000000	1	11885N163	000000


				Carbon Steel



						0.006"	-0.0003" to 0.0003"	Rockwell B90	Material Certificate	ASTM A109, Fed. Spec. QQ-S-698	16	11885N255	00000	4	11885N271	00000	9	11885N285	00000	4	11885N299	00000	1	11885N314	00000

Wave Spring Lock Washers

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.

Highly 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.

	No. of Waves	ID	OD	Thk.	Overall Ht.	Pkg. Qty.		Pkg.
18-8 Stainless Steel



	No. 6	3	0.147"	0.243"	0.006"	0.050"	10	92161A024	00000


	No. 8	1	0.165"	0.285"	0.006"	0.053"	10	99842A111	00000
	No. 8	3	0.195"	0.245"	0.006"	0.055"	10	92161A025	0000
	No. 12	3	0.245"	0.377"	0.006"	0.030"	10	90881A112	0000


	Black-Oxide 18-8 Stainless Steel



			No. 6	3	0.150"	0.245"	0.006"	0.050"	10	92161A044	00000


			No. 8	1	0.165"	0.285"	0.006"	0.053"	10	99842A338	00000
			No. 8	3	0.200"	0.250"	0.006"	0.055"	10	92161A045	00000


			Highly Corrosion-Resistant 316 Stainless Steel



					No. 6	3	0.150"	0.245"	0.006"	0.050"	10	91227A014	00000


					No. 8	1	0.165"	0.285"	0.006"	0.053"	10	93423A116	00000
					No. 8	3	0.200"	0.250"	0.006"	0.055"	10	91227A015	00000


					Steel



							5/16"	3	0.320"	0.437"	0.006"	0.040"	50	90134A030	00000

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.

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 B80	10	98116A280	000000




						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 B80	10	98116A286	00000




								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 B80	10	98116A289	00000




										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 B80	10	98116A292	00000




												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 B80	5	98116A295	00000




														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 B80	5	98116A298	00000




																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 B80	5	98116A301	00000