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5/16 JOBBER DRILL HEAVY DUTY 240A
31RDJH
Heavy duty construction for drilling in tougher materials. 135 degree split point is self-centering for reduce thrust and easier penetration. Black Oxide surface finish increases wear resistance and adds lubricity to improve chip flow.
Item Specifications
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0.3125
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5/16in
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Black Oxide
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3 3/16in
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Jobber Drill
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High Speed Steel
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2
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4 1/2in
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6pcs/package
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135 Degree
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Straight
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Fractional
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0.07 lbs per EA