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The Technique Twist Drill Adaptor Chuck mounts on a standard 3/32" shank and accepts conventional HSS twist drills — the type with a consistent dia...

The Technique Twist Drill Adaptor Chuck is designed to hold standard HSS twist drills that have a consistent diameter from tip to shank — no taper,...

The Technique Twist Drill Adaptor Chuck mounts on a standard 3/32" shank and is designed for use with HSS twist drills that maintain a consistent d...