37890 Type 190-PT 135Â degree Split Point TiN Coated HSS Parabolic Flute Drill Bit (6 pack) High Volume Safety Tip Boston Gear’s helical gear drives

Boston Gear’s helical gear drives have been used in some of the most demanding applications and environments across a wide range of industries

to 180°C)

single worm

worms and worm gears operating together must have the same diametrical pitch and threads

The Ball End Chucks offer a more traditional

37890 Type 190-PT 135Â degree Split Point TiN Coated HSS Parabolic Flute Drill Bit (6 pack) High Volume Safety Tip Boston Gear’s helical gear drivesParabolic flute drills are designed to allow deep hole drilling without frequent drill removal to clear chips. Exceptional high performance drill with the super hard TiN coating extends tool life 500% or more in very abrasive drilling applications. Click Here for product catalog Proudly Manufactured in the U. S. A