R88CO 5/16" Cobalt Jobber Drill 135°
Brand: Precision Twist Drill, Fractional: 5/16", Decimal: 0.3125", Flute Length: 1-5/8", OAL: 4-1/2", Type: Heavy-Duty, Type D, Point: 135°, Series: R88CO, Material: Cobalt HSS, Finish: Bronze Oxide, Shank: 0.3125"
Item #: PTD 058720
Precision Twist Drill Cobalt Jobber Drills (NAS 907 Type D)
Heavy Duty
Low thrust design self centering 135° Split Point for easier penetration. Shorter Flute Lengths. Cobalt base material with Bronze Oxide for wear resistance and lubricity.
Heavy Duty
- Self centering 135° split point
Low thrust design self centering 135° Split Point for easier penetration. Shorter Flute Lengths. Cobalt base material with Bronze Oxide for wear resistance and lubricity.
Item Specifications
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Precision Twist Drill
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5999749
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0.3125"
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Jobber Length
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1-5/8"
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5/16"
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Cobalt HSS
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4-1/2"
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135
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R88CO
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0.3125"
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Bronze Oxide