68120 Type 190-P 135Â degree Split Point Black Oxide HSS Parabolic Flute Drill Bit Set (1/16-3/8 by 64ths) #57 timeless design

timeless design

helical gears with opposite-hand helix angles are required

Ball Bearing Type

• 135º split point is self-centering for reduce thrust and easier penetration

• Heavy-duty 135Â degree split point drills perform well in very demanding applications

68120 Type 190-P 135Â degree Split Point Black Oxide HSS Parabolic Flute Drill Bit Set (1/16-3/8 by 64ths) #57 timeless designParabolic flute drills are designed to allow deep hole drilling without frequent drill removal to clear chips. Parabolic flute drills preform best in low to medium tensile strength materials. Click Here for product catalog Proudly Manufactured in the U. S. A