High Speed Steel Black & Bronze Fractional Hex Shank Drill
Thunderbit® drills have a special heavy-duty core that guarantess increased strength and reduced breakage. 1/4" Quick Change hex shank drills are ideal for hex or adjustable power tool chucks. Drills have a 135 degree self-centering split point.
Features:
1/4" hex shank for hex or adjustable power tool chucks
Unique spiral flute design improves chip ejection and coolant flow
Heavy-duty core for increased strength and reduced breakage
135° self-centering split point to prevent walking
Black and Gold surface treatment for added lubricity and higher drilling speeds
Made in USA
Applications:
Drilling in medium strength alloy materials
Portable drilling in metal
For use with 1/4" hex driver chucks
Tech Tips:
Speed, feed, and lube are all critical to cutting tool performance