4-1/4 Inch Super Puls Quality  Laser Welded   Diamond Core Bits

For Wet  drilling Concrete and Asphalt ,Brick Stone Pavers

All bits are 17” long to produce 12” core Bits

 5/8” to 1-1/2 have 5/8”-11 thread

Bits1-3/4”and larger have 1-1/4-7 thread.

Laser wielded,Segment height 0.400”