Product Details
Unique spiral flute design improves chip ejection and coolant flow to the point
The heavy-duty core guarantees increased strength and reduced breakage
135° self-centering split point prevents “walking" and provides quick penetration
Friction-reducting black & bronze oxide surface treatments for higher drilling speeds
Specifications
- Material High Speed Steel
- Drill Size 7/16"
- Decimal Drill Size 0.4375"
- Overall Length 5-1/2"
- Flute Length 4-1/16"
- Point Angle 135°
Additional Specifications
- Finish Black & Bronze Oxide
- Point Type Split
- Shank Type 3 Flats