EXTREME masonry drill bits get the best performance from drills with a 3 jawed chuck.Featuring 3 flat sides to prevent the drill bit slipping, these bits get the hole drilled fast.
Unique hard metal with low-stress high-temperature copper soldering, Optimized for maximum durability and break-out safety
Hardened steel body with core reinforcement and a large volume machined spiral.
For maximum tensile strength combined with very high drilling progress
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