1-1/8" x 7/16" Shank |Mag-Bit 770.1816| Electrician’s Power Bits | 2 Piece slotted-power A premium wheel with longer

A premium wheel with longer life and maximum wheel performance on ferrous metals

Lightning specifications offer industrial performance at a modest price

from rough grinding to smooth finishes

For light gauge metal-to-metal

The diamond shaped tip is designed to penerate hard materials

1-1/8" x 7/16" Shank |Mag-Bit 770.1816| Electrician’s Power Bits | 2 Piece slotted-power A premium wheel with longer8 1 2" OAL x 5 1 2" Twist Length For electricians, pipe fitters and plumbers. Double flute construction Self feeding screw point with spur for clean boring Packed in a reusable storage tube Designed to cut through three 2" x 4"s between other studs with a right angle drill. Traditional double twist for fast clearance of chips and two cutting edges. Single spur for clean cut holes. A self feed screw point for fast, effortless boring.