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	Material Material

1100 Aluminum

3003 Aluminum

	Thickness Thickness

	Width Width

12"

24"

	Length Length

	Shim Stock Form Shim Stock Form


Sheet	Roll

	Shape Shape


Sheet and Bar	Made to Order

	Temper Rating Temper Rating

Full Hard

1/2 Hard

Softened (Annealed)

	Individual/Set Individual/Set

Individual

Set

	Specifications Met Specifications Met

ASTM

AMS

	Minimum Hardness Minimum Hardness

Brinell 32

Not Rated

	Layer Thickness Layer Thickness

0.002"

0.003"

0.02"

	Color Color

	Coral		Yellow
	Pink		Brown
	Blue		Red
	Green		Aluminum
	White		Beige

	Material Thickness Material Thickness

	Number of Layers Number of Layers

	Number of Pieces Number of Pieces

	Maximum Shim Size Maximum Shim Size

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100 Products

Don't see the shim stock you need? Just tell us what you're looking for and we'll get it for you.

Shim Stock

Cut it into custom shapes to fit your application.

For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like copper or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment. Metal shims include a material certificate with traceable lot number and test report.

Aluminum shim stock is lightweight and nonmagnetic. It has good corrosion resistance. Material will vary between Alloys 1100, 1145, and 1235.

Aluminum Rolls

6" Wd. × 50" Lg.
Thick.	Thick. Tolerance	Min. Hardness	Temper Rating	Certification	Specifications Met		Each
0.001"	-0.00005" to 0.00005"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	000000
0.002"	-0.0001" to 0.0001"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.003"	-0.00015" to 0.00015"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.004"	-0.0002" to 0.0002"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.005"	-0.00025" to 0.00025"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.006"	-0.0003" to 0.0003"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.008"	-0.0004" to 0.0004"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.01"	-0.0005" to 0.0005"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
6" Wd. × 100" Lg.
0.001"	-0.00005" to 0.00005"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.002"	-0.0001" to 0.0001"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.003"	-0.00015" to 0.00015"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.004"	-0.0002" to 0.0002"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.005"	-0.00025" to 0.00025"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.006"	-0.0003" to 0.0003"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.008"	-0.0004" to 0.0004"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000
0.01"	-0.0005" to 0.0005"	Not Rated	Full Hard	Material Certificate with Traceable Lot Number and Test Report	ASTM B209	0000000	00000

Shim Stock Sets

Keep shim stock in a variety of thicknesses on hand with these sets. Cut it into custom shapes to fit your application.

Aluminum shim stock is lightweight and nonmagnetic. It has good corrosion resistance.

					Hardness
Material	No. of Pieces	Includes	Wd.	Lg.	Min.	Specifications Met	Magnetic Properties		Each
Rolls
1100 Aluminum	4	One roll each of the following thicknesses: 0.001" (±0.00015"), 0.002" (±0.0003"), 0.003" (±0.00045"), 0.005" (±0.00075")	6"	50"	Not Rated	ASTM B209	Nonmagnetic	000000	000000

Color-Coded Shim Stock

This shim stock is color-coded by thickness for easy identification. Cut it into custom shapes to fit your application. Shim stock is corrosion resistant. Sheets come flat packed.

Painted aluminum shim stock is stronger than plastic stock. It includes a material certificate with traceable lot number and test report.

Painted Aluminum

Sheet
Thick.	Color	Material	Min. Hardness	Temper Rating	Magnetic Properties		Each
6" Wd. × 24" Lg.
0.002"	Red	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.003"	Green	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.004"	Beige	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.005"	Blue	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.007"	Aluminum	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.01"	Brown	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.015"	Pink	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.02"	Yellow	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.025"	White	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.03"	Coral	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	00000000	00000
12" Wd. × 24" Lg.
0.002"	Red	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.003"	Green	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	0000
0.004"	Beige	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.005"	Blue	Painted 1200 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.007"	Aluminum	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.01"	Brown	Painted 1100 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.015"	Pink	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.02"	Yellow	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.025"	White	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000
0.03"	Coral	Painted 3003 Aluminum	Brinell 32	1/2 Hard to Full Hard	Nonmagnetic	0000000	00000

Color-Coded Shim Stock Sets

Keep shim stock in a variety of thicknesses on hand with these sets, which are color-coded by thickness for easy identification. The sheets come flat packed; cut them into custom shapes to fit your application. Shim stock is corrosion resistant.

Painted aluminum shim stock is stronger than plastic stock. Sets include a material certificate with traceable lot number and test report.

Painted Aluminum

Sheet
No. of Pieces	Includes	Wd.	Lg.	Min. Hardness	Temper Rating	Certification	Magnetic Properties		Each
10	One 0.002" thick (±0.0002") red 1200 Aluminum sheet One 0.003" thick (±0.0003") green 1200 Aluminum sheet One 0.004" thick (±0.0004") beige 1100 Aluminum sheet One 0.005" thick (±0.0005") blue 1200 Aluminum sheet One 0.007" thick (±0.0007") natural 1100 Aluminum sheet One 0.01" thick (±0.001") brown 1100 Aluminum sheet One 0.015" thick (±0.0015") pink 3003 Aluminum sheet One 0.02" thick (±0.002") yellow 3003 Aluminum sheet One 0.025" thick (±0.0025") white 3003 Aluminum sheet One 0.03" thick (±0.003") coral 3003 Aluminum sheet	6"	24"	Brinell 32	1/2 Hard to Full Hard	Material Certificate with Traceable Lot Number and Test Report	Nonmagnetic	0000000	000000
10	One 0.002" thick (±0.0002") red 1200 Aluminum sheet One 0.003" thick (±0.0003") green 1200 Aluminum sheet One 0.004" thick (±0.0004") beige 1100 Aluminum sheet One 0.005" thick (±0.0005") blue 1200 Aluminum sheet One 0.007" thick (±0.0007") natural 1100 Aluminum sheet One 0.01" thick (±0.001") brown 1100 Aluminum sheet One 0.015" thick (±0.0015") pink 3003 Aluminum sheet One 0.02" thick (±0.002") yellow 3003 Aluminum sheet One 0.025" thick (±0.0025") white 3003 Aluminum sheet One 0.03" thick (±0.003") coral 3003 Aluminum sheet	12"	24"	Brinell 32	1/2 Hard to Full Hard	Material Certificate with Traceable Lot Number and Test Report	Nonmagnetic	0000000	00000

Peel-Away Layered Shim Stock

Cut this shim stock it into custom shapes to fit your application. Stock is made of layers of material bonded with adhesive; remove layers with a utility knife until you get the thickness you need. To make the layers easier to pull apart, gently heat the shim to soften the adhesive.

Aluminum shim stock is lightweight and nonmagnetic. It has good corrosion resistance.

1100 Aluminum

12" × 12"
Thick.	Thick. Tolerance	No. of Layers	Min. Hardness	Temper Rating	Specifications Met	Magnetic Properties		Each
0.002" Layer Thick. (-0.0002" to 0.0002" Tolerance)
0.006"	-0.0005" to 0.001"	3	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	000000
0.008"	-0.0005" to 0.001"	4	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.01"	-0.0005" to 0.0015"	5	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.016"	-0.001" to 0.0015"	8	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.02"	-0.001" to 0.002"	10	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.032"	-0.002" to 0.003"	16	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.048"	-0.002" to 0.005"	24	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.062"	-0.002" to 0.006"	31	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.094"	-0.003" to 0.009"	47	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.125"	-0.003" to 0.012"	62	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance)
0.016"	-0.001" to 0.0015"	5	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.021"	-0.001" to 0.002"	7	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.033"	-0.002" to 0.003"	11	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.048"	-0.002" to 0.005"	16	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.063"	-0.002" to 0.006"	21	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.094"	-0.003" to 0.009"	31	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
0.125"	-0.003" to 0.012"	42	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	00000
24" × 24"
0.003" Layer Thick. (-0.0003" to 0.0003" Tolerance)
0.187"	-0.003" to 0.018"	62	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	000000
0.25"	-0.005" to 0.025"	83	Not Rated	Full Hard	AMS-DTL-22499	Nonmagnetic	0000000	000000

Adhesive-Back Shim Stock

A durable acrylic adhesive keeps this shim stock from sliding out of place. Cut it into custom shapes to fit your application. Shim stock is corrosion resistant. It includes a material certificate with traceable lot number and test report.

Aluminum and brass shim stock are softer than stainless steel, so they can be used as wear plates between components that rub together, preventing damage to equipment. Aluminum shim stock is lighter than brass.

1100 Aluminum
Thick.	Thick. Tolerance	Material Thick.	Adhesive Thick.	Adhesive Type	Min. Hardness	Temper Rating	Specifications Met	Liner Type	Magnetic Properties		Each
6" × 12"
0.008"	-0.0006" to 0.0006"	0.006"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	000000
0.01"	-0.0008" to 0.0008"	0.008"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
0.012"	-0.001" to 0.001"	0.01"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
0.017"	-0.0015" to 0.0015"	0.015"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
0.022"	-0.002" to 0.002"	0.02"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
0.034"	-0.002" to 0.002"	0.032"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
0.042"	-0.004" to 0.004"	0.04"	0.002"	Acrylic	Not Rated	Full Hard	ASTM B209	Paper	Nonmagnetic	00000000	00000
1145 Aluminum
6" × 12"
0.003"	-0.0001" to 0.0001"	0.001"	0.002"	Acrylic	Not Rated	Softened (Annealed)	ASTM B479	Paper	Nonmagnetic	00000000	00000
0.004"	-0.0002" to 0.0002"	0.002"	0.002"	Acrylic	Not Rated	Softened (Annealed)	ASTM B479	Paper	Nonmagnetic	00000000	00000
0.007"	-0.0005" to 0.0005"	0.005"	0.002"	Acrylic	Not Rated	Softened (Annealed)	ASTM B479	Paper	Nonmagnetic	00000000	00000
1235 Aluminum
6" × 12"
0.005"	-0.0003" to 0.0003"	0.003"	0.002"	Acrylic	Not Rated	Softened (Annealed)	ASTM B479	Paper	Nonmagnetic	0000000	00000
0.006"	-0.0004" to 0.0004"	0.004"	0.002"	Acrylic	Not Rated	Softened (Annealed)	ASTM B479	Paper	Nonmagnetic	00000000	00000

Made-to-Order Peel-Away Layered Shims

For unique shim shapes or sizes, send a dimensioned STEP or DXF file to chi.sales@mcmaster.com and we’ll precision cut your shim. Shims are made of layers of metal bonded with adhesive; remove layers with a utility knife until you get the thickness you need. To make the layers easier to pull apart, gently heat the shim to soften the adhesive. Shims include a material certificate with traceable lot number and test report.

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.

For accurate leveling, choose materials such as steel or stainless steel, which are hard enough to resist scratching and deforming. Softer shims, like brass or aluminum, can be used as wear plates between components that rub together, preventing damage to equipment.

Aluminum shims are lightweight and nonmagnetic. They have good corrosion resistance.

2" × 2" Max. Shim Size
Thick.	Thick. Tolerance	Min. Hole Size	Min. Wall Thick.	Cutout Tolerance	No. of Layers	Layer Thick.	Min. Hardness		Pkg. of 16
1100 Aluminum—AMS-QQ-A-250/1, ASTM B209
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.005" to 0.005"	4	0.002"	Not Rated	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.005" to 0.005"	8	0.002"	Not Rated	000000000	00000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.005" to 0.005"	16	0.002"	Not Rated	000000000	00000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.005" to 0.005"	24	0.002"	Not Rated	000000000	00000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.005" to 0.005"	32	0.002"	Not Rated	000000000	00000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.005" to 0.005"	62	0.02"	Not Rated	000000000	000000
									Pkg. of 4
5" × 5" Max. Shim Size
1100 Aluminum—AMS-QQ-A-250/1, ASTM B209
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.005" to 0.005"	4	0.002"	Not Rated	000000000	00000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.005" to 0.005"	8	0.002"	Not Rated	000000000	00000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.005" to 0.005"	16	0.002"	Not Rated	000000000	00000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.005" to 0.005"	24	0.002"	Not Rated	000000000	00000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.005" to 0.005"	32	0.002"	Not Rated	000000000	00000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.005" to 0.005"	62	0.02"	Not Rated	000000000	000000
									Pkg. of 9
7" × 7" Max. Shim Size
1100 Aluminum—AMS-QQ-A-250/1, ASTM B209
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.005" to 0.005"	4	0.002"	Not Rated	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.005" to 0.005"	8	0.002"	Not Rated	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.005" to 0.005"	16	0.002"	Not Rated	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.005" to 0.005"	24	0.002"	Not Rated	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.005" to 0.005"	32	0.002"	Not Rated	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.005" to 0.005"	62	0.02"	Not Rated	000000000	000000
									Pkg. of 4
11" x 11" Max. Shim Size
1100 Aluminum—AMS-QQ-A-250/1, ASTM B209
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.005" to 0.005"	4	0.002"	Not Rated	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.005" to 0.005"	8	0.002"	Not Rated	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.005" to 0.005"	16	0.002"	Not Rated	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.005" to 0.005"	24	0.002"	Not Rated	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.005" to 0.005"	32	0.002"	Not Rated	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.005" to 0.005"	62	0.02"	Not Rated	000000000	000000
									Pkg. of 1
23" x 23" Max. Shim Size
1100 Aluminum—AMS-QQ-A-250/1, ASTM B209
0.008"	-0.0004" to 0.0004"	1/8"	1/8"	-0.005" to 0.005"	4	0.002"	Not Rated	000000000	000000
0.016"	-0.0008" to 0.0008"	1/8"	1/8"	-0.005" to 0.005"	8	0.002"	Not Rated	000000000	000000
0.032"	-0.0016" to 0.0016"	1/8"	1/8"	-0.005" to 0.005"	16	0.002"	Not Rated	000000000	000000
0.048"	-0.0024" to 0.0024"	1/8"	1/8"	-0.005" to 0.005"	24	0.002"	Not Rated	000000000	000000
0.062"	-0.0031" to 0.0031"	1/8"	1/8"	-0.005" to 0.005"	32	0.002"	Not Rated	000000000	000000
0.124"	-0.0062" to 0.0062"	1/8"	1/8"	-0.005" to 0.005"	62	0.02"	Not Rated	000000000	000000

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