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Double-Margin Drill Bits
Available28 products
Double-margin drill bits create smoother and more accurately sized holes than single-margin drill bits. The second margin stabilizes the bit to produce a more concentric hole that can often eliminate reaming procedures.
Material
Cobalt Double-Margin Jobber-Length Drill Bits
Cobalt double-margin drill bits can be used at higher speeds and are harder and more wear-resistant than high-speed steel drill bits.
Fractional Inch + 135 ° + Pilot Point
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Fractional Inch + 135 ° + Split Point
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Letter + 135 ° + Pilot Point
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Letter + 135 ° + Split Point
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Wire + 135 ° + Pilot Point
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Wire + 135 ° + Split Point
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