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Geometric Advantage: Flute geometry optimized for aluminum to improve surface finish
It’s purpose-built for left-hand threads and is calibrated to 9/16 x 18 UNF with a 2B class fit
it excels when machining draft-angle features and tight recesses
or any job where efficiency matters as much as accuracy
With its durable hardened steel build
Dormer Pramet A120 9/16 Inch HSS ST STRAIGHT SHANK STUB DRILL DIN 1897 DIN5482 Geometric Advantage: Flute geometry optimizedDormer Pramet A120 9 16 Inch HSS Stub Drill with straight shank (DIN 1897) is a versatile drill bit built for dependable, precise holes across a range of materials. Its compact design makes it suitable for use in handheld drills or machine setups, ideal for engineers, tradespeople, and hobbyists alike. Self centering 118 split point: Starts true every time and minimizes wandering, reducing the push force needed to begin cutting for faster, more
