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Made in USA A-2 Air Hardening Drill...
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Product Description:
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 A-2 HAS A MACHINABILITY RATING OF 65. |
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