5/16 Carbide Tip Hard Steel Die Drill
Brand: Hannibal Carbide, Fractional: 5/16", Decimal: 0.3125", Flute Length: 2-1/2", OAL: 4-1/2", Point Angle: 118, Series: 670, Material: Carbide Tipped
Item #: HANN 67020
Hannibal Hard Steel Die Drills Carbide Tipped Series 670
Negative Angle Cutting Edge - 118° Point
For drilling hardened steel in the range of 35 to 65 Rockwell C. Will cut without annealing the workpiece
Light feed with steady pressure - clear chips frequently.
Flood the cutting point with coolant. Sizes 0.1719" diameter and under are solid carbide.
Negative Angle Cutting Edge - 118° Point
- Die drill - negative angle cutting edge
- Drill body diameter smaller than tool diameter to prevent gauling
- Carbide tip high temperature brazed to hardened tool steel body
- Smooth flutes for effective chip flow
- Precision ground to insure concentricity of tip & body
For drilling hardened steel in the range of 35 to 65 Rockwell C. Will cut without annealing the workpiece
Light feed with steady pressure - clear chips frequently.
Flood the cutting point with coolant. Sizes 0.1719" diameter and under are solid carbide.
Item Specifications
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Hannibal Carbide
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0.3125"
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2-1/2"
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5/16"
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Carbide Tipped
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4-1/2"
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118
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670
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Straight Flute