Made in USA A-2 Air Hardening Drill Rod 4mm Long Time Heat Preservation (2hrs>=176

Long Time Heat Preservation (2hrs>=176 Degree F 4hrs>=155 degree F)

MULTIPLE SIZES AVAILABLE: Available in California King

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ADF - 10 Sheet Capacity Fax Modem Speed 33

Lighting Switch Type: Socket Turn Knob Rotary Switch

Made in USA A-2 Air Hardening Drill Rod 4mm Long Time Heat Preservation (2hrs>=176Made in USA A 2 Air Hardening Drill Rod 4mm Model #: WBB1338509 MPN #: 6290504 A 2 Tool Steel is general purpose, 5% chrome air hardening tool steel. A 2 is popular because it has better wear resistance compared to S 7, A 6 and A 8 Tool Steel. A 2 is tougher and more ductile than D 2 Tool Steel. A 2 is also a very safe grade of Tool Steel to harden, and can be heat treated in most tool room furnaces without problem. When compared to a 1% carbon steel,