Lackmond® DCBC4PRM PRM Laser Weld Segmented Turbo Dry Core Bit, 4 in Drill - Fraction, 0.1575 in Drill - Decimal Inch

Lackmond® Dry Core Bit, Laser Weld Segmented Turbo, Series: PRM, 4 in Drill Size - Fraction, 0.1575 in Drill Size - Decimal Inch, 10 in Overall Length, 9-1/2 in Cutting Depth, 5/8-11 Shank, Applicable Materials: Cured Concrete. The PRM series dry concrete core bits are designed to be used on concrete and reinforced concrete. They are engineered with a solid thin wall tube with widely spaced turbo style Diamond segments that allow for fast drilling and aid in heat dissipation.