Husqvarna Vari-Drill B20 Core Bits

Husqvarna Vari-Drill B20 Core Bits Husqvarna's Vari-Drill B20 Series core bits are equipped with rooftop diamond segments that can drill through flint and concrete with hard aggregate with high steel reinforcement. Features Longer life while drilling through flint and hard aggregate with high steel reinforcement 2" - 8" core bits have laser-welded bond 9" and over core bits have brazed bond 14" drilling depth 1-1/4"-7 threaded attachment 0.4" diamond segment height These core bits are designed for wet drilling only Material Performance Flint Excellent Reinforced Aggregate Excellent Abrasive Material Not Recommended Natural Stone Not Recommended Brick and Block Not Recommended