Diablo SDS-Plus 4 In. Core Rotary Hammer Drill Bit Extension Pack options:Pack of 1 Solid micrograin carbide extends the

Solid micrograin carbide extends the cutting life and the self-piloting feature eliminates the expense and upkeep of a ball bearing assembly

It has a handy 1/4" Quick-Connect Hex Chuck and delivers 1600 in-lb of Torque for the most Demanding Fastening Jobs

with metal insert

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High speed blasting strengthens the blade to reduce breaks and increase durability

Diablo SDS-Plus 4 In. Core Rotary Hammer Drill Bit Extension Pack options:Pack of 1 Solid micrograin carbide extends theDiablos SDS Plus core bit extensions attach to thin wall carbide tipped core bits to provide one of the fastest and longest lasting coring solutions on the market for concrete applications. To use, simply screw the core bit onto the extension. Optimized with a unique brazing and hardening process, Diablo's thin wall carbide tipped core bits extend life and productivity, allowing users to drill fast, clean holes. Optimized for maximum performance in