https://www.mccoys.com/shop/p/6175079-052303-32/irwin-66720zr-drill-bit-516-in-dia-6-in-oal-heavy-duty-spiral-flute-straight-shank
66720ZR Drill Bit, 5/16 in Dia, 6 in OAL, Heavy-Duty, Spiral Flute, Straight Shank
Sku: 6175079-052303-32
$6.24 / Card
50 Available at
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M-2 high-speed steel for strength with black oxide coating for heat and wear resistance in wood, metal or plastic applications. Split point ensures a true start and eliminates bit walking.
- Bit is constructed of M-2 high-speed steel for the excellent combination of strength, heat resistance and wear resistance
- 135 deg split point ensures a true start and eliminates bit walking
Type
Heavy-Duty
Diameter
5/16
Flute Type
Spiral
Flute Length
3-3/16
Shank Type
Straight
Shank Length
2-13/16
Point Type
Split
Point Angle
135
Cutting Edge Material
HSS
Material
HSS
Finish
Black Oxide
Overall Length
6
Cutting Direction
Right Hand
Applicable Materials
Ferrous Metal, Plastic, Stainless Steel, Wood