68291 Type 190-P 135Â degree Split Point Black Oxide HSS Parabolic Flute Drill Bit (12 pack) 4mm ID Helix Angle: 45 Degrees

Helix Angle: 45 Degrees

and lubricate compressed air systems in industrial and automotive environments

Center Distance: 5

Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years

Service For Air Only

68291 Type 190-P 135Â degree Split Point Black Oxide HSS Parabolic Flute Drill Bit (12 pack) 4mm ID Helix Angle: 45 DegreesParabolic 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