5/8" Aluminum Plates | McMaster-Carr

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120 Products

About Aluminum

Compare over 20 aluminum alloys to find the right material for you—all with material certificates for traceability.

Multipurpose 6061 Aluminum Bars

The most widely used aluminum, 6061 is made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, plus it's easy to machine and weld.

Don't see the size you need? Check out our Made-to-Order 6061 Aluminum Bars.

Extruded—Formed by a die for close-tolerance widths, then cut to the lengths listed.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Specs. Met		1/2 ft. Long	1 ft. Long	2 ft. Long	3 ft. Long	4 ft. Long	6 ft. Long	8 ft. Long







5/8" Thick (-0.009" to 0.009" Tolerance)

5/8"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	00000	00000	000000	000000	—	000000	000000


3/4"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	0000	0000	00000	00000	—	00000	00000
1"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	0000	0000	00000	00000	000000	00000	00000
1 1/4"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	0000	00000	00000	00000	—	00000	00000
1 1/2"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	0000	00000	00000	00000	—	00000	00000
2"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	00000	00000	00000	00000	—	00000	00000
2 1/2"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	00000	00000	—	00000	000000
3"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	00000	00000	00000	000000	000000
3 1/2"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	00000	00000	00000	00000	—	000000	—
4"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	00000	00000	—	000000	000000
5"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	00000	000000	000000	000000	000000


6"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	—	—	—	—	—	000000	000000
8"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	000000	000000	—	000000	—
12"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000	00000	000000	000000	—	000000	—

Multipurpose 6061 Aluminum Sheets

The most widely used aluminum, 6061 is made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, plus it's easy to machine and weld.

Don't see the size you need? Check out our Made-to-Order 6061 Aluminum Sheets.

Extruded—Formed by a die for close-tolerance widths, then cut to the lengths listed.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Temper Designation	Specs. Met		Each







5/8" Thick (-0.009" to 0.009" Tolerance)

2"	48"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	000000


4"	48"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	000000
6"	6"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000
6"	12"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	00000
6"	48"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	000000
8"	8"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	0000000	00000
12"	48"	Extruded	T6511	ASTM B221, SAE AMS-QQ-A-200/8	00000000	000000

Tight-Tolerance Multipurpose 6061 Aluminum Sheets

Ground to paper-thin tolerances, these 6061 aluminum sheets are best for precision parts.

6061 is the most widely used aluminum, made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, plus it’s easy to machine and weld.

Precision Ground on All Sides—Ready to use in your CNC machine, this aluminum is consistently flat, square, and parallel on all six sides. Also known as blanks.

Precision Ground on Top and Bottom—Consistently flat on the two largest sides. Also known as ground flat stock.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Temper Designation	Specs. Met		Each
Precision Ground on All Sides







	5/8" Thick (-0.002" to 0.002" Tolerance)

	1/2"	12"	Cold Rolled	T651	ASTM B209	00000000	000000


	1"	12"	Cold Rolled	T651	ASTM B209	00000000	000000
	2"	2"	Cold Rolled	T651	ASTM B209	00000000	00000
	2"	3"	Cold Rolled	T651	ASTM B209	00000000	00000
	2"	4"	Cold Rolled	T651	ASTM B209	00000000	00000
	2"	6"	Cold Rolled	T651	ASTM B209	00000000	000000
	2"	12"	Cold Rolled	T651	ASTM B209	0000000	00000
	3"	3"	Cold Rolled	T651	ASTM B209	00000000	00000
	3"	6"	Cold Rolled	T651	ASTM B209	00000000	000000
	4"	4"	Cold Rolled	T651	ASTM B209	00000000	00000
	4"	6"	Cold Rolled	T651	ASTM B209	00000000	00000


	4"	8"	Cold Rolled	T651	ASTM B209	00000000	00000
	4"	12"	Cold Rolled	T651	ASTM B209	0000000	000000
	6"	6"	Cold Rolled	T651	ASTM B209	0000000	00000
	6"	12"	Cold Rolled	T651	ASTM B209	0000000	000000
	6"	24"	Cold Rolled	T651	ASTM B209	00000000	000000
	8"	8"	Cold Rolled	T651	ASTM B209	0000000	000000
	8"	12"	Cold Rolled	T651	ASTM B209	0000000	000000
	8"	24"	Cold Rolled	T651	ASTM B209	00000000	000000
	12"	12"	Cold Rolled	T651	ASTM B209	0000000	000000
	12"	18"	Cold Rolled	T651	ASTM B209	0000000	000000


	12"	24"	Cold Rolled	T651	ASTM B209	0000000	000000
	12"	36"	Cold Rolled	T651	ASTM B209	00000000	000000
	24"	24"	Cold Rolled	T651	ASTM B209	0000000	000000
	36"	36"	Cold Rolled	T651	ASTM B209	00000000	00000000


	Precision Ground on Top and Bottom







					5/8" Thick (-0.002" to 0.002" Tolerance)

					2"	12"	Hot Rolled	T651	ASTM B209	00000000	00000


					2"	24"	Hot Rolled	T651	ASTM B209	00000000	000000
					4"	12"	Hot Rolled	T651	ASTM B209	00000000	000000
					4"	24"	Hot Rolled	T651	ASTM B209	00000000	000000
					6"	6"	Hot Rolled	T651	ASTM B209	0000000	00000
					6"	12"	Hot Rolled	T651	ASTM B209	0000000	000000
					6"	24"	Hot Rolled	T651	ASTM B209	00000000	000000
					12"	12"	Hot Rolled	T651	ASTM B209	0000000	000000
					12"	18"	Hot Rolled	T651	ASTM B209	0000000	000000
					12"	24"	Hot Rolled	T651	ASTM B209	00000000	000000

Ultra-Machinable Cast Aluminum Sheets

Machine reliably flat parts for CNC routing tables, assembly jigs, and precision tasks. These sheets are cast to consistent thicknesses and won’t distort as you machine them. Even at whirring speeds, they cut precisely with minimal tool wear.

MIC6 Aluminum—Machines like butter, even better than cast 5083 aluminum. The best for large-scale jobs, MIC6 puts the least amount of strain on your tools. However, it's not as strong, corrosion resistant, or weldable.

5083 Aluminum—Our most corrosion-resistant cast aluminum. It's also stronger and easier to weld than MIC6 aluminum. Cast 5083 is comparable to Alca 5 and ATP 6.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Temper Designation		Each
MIC6 Aluminum







	5/8" Thick (-0.005" to 0.005" Tolerance)

	6"	6"	0.015"	Not Rated	000000000	000000


	6"	12"	0.015"	Not Rated	000000000	00000
	6"	24"	0.015"	Not Rated	000000000	000000
	8"	8"	0.015"	Not Rated	000000000	00000
	12"	12"	0.015"	Not Rated	00000000	000000
	12"	24"	0.015"	Not Rated	000000000	000000
	12"	48"	0.015"	Not Rated	000000000	000000
	18"	18"	0.015"	Not Rated	000000000	000000
	24"	24"	0.015"	Not Rated	00000000	000000
	24"	72"	0.015"	Not Rated	00000000	00000000


	5083 Aluminum







					5/8" Thick (-0.005" to 0.005" Tolerance)

					6"	6"	0.005"	O	0000000	00000


					6"	12"	0.005"	O	0000000	00000
					6"	24"	0.005"	O	00000000	000000
					8"	8"	0.005"	O	0000000	00000
					12"	12"	0.005"	O	00000000	000000
					12"	24"	0.005"	O	00000000	000000
					18"	18"	0.005"	O	00000000	000000
					24"	24"	0.005"	O	00000000	000000

Architectural 6063 Aluminum Bars


Square Edge	Round Edge

Easy to bend, 6063 aluminum is often shaped into exterior railings, decorative trim, and door frames.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Specs. Met		3 ft. Long	4 ft. Long	6 ft. Long	8 ft. Long
Square Edge







	5/8" Thick (-0.009" to 0.009" Tolerance)

	5/8"	Extruded	T5	ASTM B221	00000000	—	000000	—	000000


	1"	Extruded	T5	ASTM B221	00000000	—	00000	—	00000
	1 1/4"	Extruded	T5	ASTM B221	00000000	—	00000	—	00000
	1 1/2"	Extruded	T5	ASTM B221	00000000	—	00000	—	000000
	2"	Extruded	T5	ASTM B221	00000000	—	00000	—	000000


	Round Edge







					5/8" Thick (-0.009" to 0.009" Tolerance)

					5/8"	Extruded	T5	ASTM B221	00000000	000000	—	000000	—


					1"	Extruded	T5	ASTM B221	00000000	00000	—	00000	—
					2"	Extruded	T5	ASTM B221	00000000	00000	—	000000	—

Ultra-Machinable 2011 Aluminum Bars

Drill, mill, and turn intricate parts with minimal tool wear—2011 aluminum is the easiest alloy to machine. It’s the go-to aluminum for screws, tube fittings, and hose parts.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Specs. Met		3 ft. Long	6 ft. Long







5/8" Thick (-0.003" to 0.003" Tolerance)

5/8"	Cold Drawn	T3	ASTM B211, SAE AMS-QQ-A-225/3	000000	000000	000000

High-Strength 2024 Aluminum Bars

Balance high strength and workability. Initially designed for aircraft frames, 2024 aluminum is turned into parts that need to be especially strong, such as couplings for servomotor shafts. It’s one of the most widely used high-strength alloys, made into fasteners, gears, and everything in between. It’s also easier to form and weld than 7075 aluminum, among the strongest aluminum alloys out there.

Cold Drawn—Formed by a die for close-tolerance widths, then cut to the lengths listed.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Specs. Met		1/2 ft. Long	1 ft. Long	2 ft. Long	3 ft. Long	6 ft. Long







5/8" Thick (-0.003" to 0.003" Tolerance)

5/8"	Cold Drawn	T351	ASTM B211	00000000	000000	000000	000000	000000	000000




		5/8" Thick (-0.0025" to 0.0025" Tolerance)

		3/4"	Cold Drawn	T351	ASTM B211	000000000	00000	00000	00000	00000	000000


		1"	Cold Drawn	T351	ASTM B211	000000000	00000	00000	00000	00000	000000
		1 1/4"	Cold Drawn	T351	ASTM B211	000000000	00000	00000	00000	00000	000000
		2"	Cold Drawn	T351	ASTM B211	000000000	00000	00000	000000	000000	000000

Ultra-Machinable Cast Aluminum Bars

Machine reliably flat parts for CNC routing tables, assembly jigs, and precision tasks. These bars are cast to consistent thicknesses and won’t distort as you machine them. Even at whirring speeds, they cut precisely with minimal tool wear.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

		2 ft. Long	4 ft. Long	6 ft. Long
MIC6 Aluminum







	5/8" Thick (-0.005" to 0.005" Tolerance)

	1 1/2"	0.015"	Not Rated	0000000	000000	000000	000000


	2"	0.015"	Not Rated	0000000	00000	00000	000000
	2 1/2"	0.015"	Not Rated	0000000	00000	00000	000000
	3"	0.015"	Not Rated	0000000	00000	000000	000000
	4"	0.015"	Not Rated	0000000	00000	000000	000000

Oversized Multipurpose 6061 Aluminum Sheets

Finish these sheets to your exact dimensions—they come thicker, never thinner, than the size listed.

The most widely used aluminum, 6061 is made into everything from pipe fittings to containers to airplane parts. It balances strength and corrosion resistance, plus it's easy to machine and weld.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Temper Designation	Specs. Met		Each







5/8" Thick (0" to 0.027" Tolerance)

2"	24"	Hot Rolled	T651	ASTM B209	000000000	000000


4"	24"	Hot Rolled	T651	ASTM B209	000000000	00000
6"	6"	Hot Rolled	T651	ASTM B209	000000000	00000
6"	12"	Hot Rolled	T651	ASTM B209	000000000	00000
8"	8"	Hot Rolled	T651	ASTM B209	000000000	00000
12"	12"	Hot Rolled	T651	ASTM B209	000000000	00000
12"	24"	Hot Rolled	T651	ASTM B209	000000000	000000
18"	18"	Hot Rolled	T651	ASTM B209	00000000	000000
24"	24"	Hot Rolled	T651	ASTM B209	00000000	000000

Tight-Tolerance Extra-High-Strength 7075 Aluminum Sheets

When precision and yield strength are nonnegotiable, choose these 7075 aluminum sheets. They’re ground to paper-thin tolerances for parts that require pinpoint precision.

7075 is one the strongest aluminum alloys, boasting a yield strength that rivals carbon steel rebar. Originally made for aircraft frames, it’s now turned into gears, machine keys, and other high-stress parts. It’s a good substitute for 2024 aluminum when forming and welding aren’t top concerns.

Precision Ground on All Sides—Ready to use in your CNC machine, this aluminum is consistently flat, square, and parallel on all six sides. Also known as blanks.

Precision Ground on Top and Bottom—Consistently flat on the two largest sides. Also known as ground flat stock.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

	Temper Designation	Specs. Met		Each
Precision Ground on All Sides







	5/8" Thick (-0.002" to 0.002" Tolerance)

	2"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	0000000


	4"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
	6"	6"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
	6"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000
	8"	8"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000
	8"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000
	12"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000
	12"	24"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000


	Precision Ground on Top and Bottom







					5/8" Thick (-0.002" to 0.002" Tolerance)

					2"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000


					4"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					6"	6"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					6"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					6"	24"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					8"	8"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					12"	12"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					12"	24"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					18"	18"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	00000000	000000
					24"	24"	Hot Rolled	T651	ASTM B209, SAE AMS-QQ-A-250/12	0000000	000000