ASTM A600 Steel | McMaster-Carr

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M2 High-Speed Tool Steel

Hardness

Diameter

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Length

Yield Strength

40,000 psi to 99,999 psi

100,000 psi to 199,999 psi

Maximum Hardness After Heat Treatment

Fabrication

Mechanical Finish

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Heat Treatable

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ANSI/MSS SP-58 Type 23

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OSHA Compliant 29 CFR 1926.701

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REACH

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EAR99

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Material Certificate with Traceable Lot Number

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35 Products

About Steel

Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.

Tight-Tolerance High-Speed M2 Tool Steel Rods

Yield Strength: 105,000 psi
Hardness: Rockwell B110 (Hard)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C66
Specifications Met: ASTM A600

Also called drill rod, these precision-ground rods have a tight diameter tolerance and are held to a strict straightness tolerance. Use them for turning applications in your lathe. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.

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

					3 ft. Lg.
Dia.	Dia. Tolerance	Heat Treatment	Mechanical Finish	Straightness Tolerance		Each
1/16"	-0.0003" to 0.0003"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
5/64"	-0.0003" to 0.0003"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
3/32"	-0.0003" to 0.0003"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
7/64"	-0.0003" to 0.0003"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
1/8"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
5/32"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
3/16"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
1/4"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
5/16"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
3/8"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	00000
7/16"	-0.0005" to 0.0005"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
1/2"	-0.001" to 0.001"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
5/8"	-0.001" to 0.001"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
3/4"	-0.001" to 0.001"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
1"	-0.001" to 0.001"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000
1 1/4"	-0.001" to 0.001"	Annealed (Softened)	Precision Ground	0.005" per ft.	00000000	000000

Hardened High-Speed M2 Tool Steel Sheets

Yield Strength: 65,000 psi
Hardness: Rockwell C65 (Very Hard)
Fabrication: Cold Worked
Specifications Met: ASTM A600

Made of M2 tool steel, these sheets offer a balance of wear resistance and machinability. They’re also hardened to increase their resistance to impacts and abrasion. High molybdenum content helps them keep a sharp cutting edge even at high temperatures, so they’re often used to make high-speed cutting tools. These sheets are manufactured to ASTM A600 standards for quality and performance. They’re also known as flat stock.

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

		6" × 12"
Thick.	Thick. Tolerance		Each
0.029"	-0.003" to 0.003"	0000000	0000000
0.039"	-0.003" to 0.003"	0000000	000000
0.055"	-0.01" to 0.01"	0000000	000000
0.089"	-0.004" to 0.004"	00000000	000000
0.092"	-0.004" to 0.004"	00000000	000000
0.119"	-0.004" to 0.004"	00000000	000000
0.129"	-0.004" to 0.004"	00000000	000000
0.139"	-0.004" to 0.004"	00000000	000000

Tight-Tolerance High-Speed M2 Tool Steel Bars

Yield Strength: 50,000 psi
Hardness: Rockwell B95 (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Rockwell C65
Specifications Met: ASTM A600

Precision-ground to a tight thickness tolerance, these bars are also known as flat stock. A nice balance of wear resistance and machinability make M2 tool steel suitable for most high-speed cutting tools. It has a high molybdenum content, which allows it to maintain a sharp cutting edge even at elevated temperatures.

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

1/16" Thick. (-0.001" to 0.001" Tolerance)
Wd.	Lg., ft.	Mechanical Finish		Each
1/2"	1 1/2	Precision Ground	00000000	000000
3/4"	1 1/2	Precision Ground	00000000	00000
1"	1 1/2	Precision Ground	00000000	000000
1/8" Thick. (-0.001" to 0.001" Tolerance)
1/2"	1 1/2	Precision Ground	00000000	00000
3/4"	1 1/2	Precision Ground	00000000	000000
1 1/2"	1 1/2	Precision Ground	00000000	000000
2"	1 1/2	Precision Ground	00000000	000000
3/16" Thick. (-0.001" to 0.001" Tolerance)
1/2"	1 1/2	Precision Ground	00000000	000000
1/4" Thick. (-0.001" to 0.001" Tolerance)
1/2"	1 1/2	Precision Ground	00000000	000000
3/4"	1 1/2	Precision Ground	00000000	000000
1 1/2"	1 1/2	Precision Ground	00000000	000000