01931 Type 78-AG Gold Oxide 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 7/8" & 7/8 - 1-1/8") Mounted Ball Bearings Boston Gear’s internal gears are

Boston Gear’s internal gears are spur gears turned "inside out

Operates in all positions

Can be mounted vertically or horizontally

Click here for spec sheet: SAMS Spec Sheet

General Purpose Rubber Hose is best for use in industrial environments or constructions sites where contact with petroleum products is minimal

01931 Type 78-AG Gold Oxide 3-flats on Shank - Blister pak Ultra Bit™ Multi-Diameter Step Drill Set (1/8 - 1/2", 3/16 - 7/8" & 7/8 - 1-1/8") Mounted Ball Bearings Boston Gear’s internal gears areSpecial Axial and Radial flute design increases work piece penetration. Dual flute construction drills clean accurate holes in thin materials, quickly and easily. Click Here for product catalog Proudly Manufactured in the U. S. A