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using a hydraulic expansion mechanism to enable quick
long-lasting performance across a wide range of materials
and a thoughtfully balanced length
boosting overall part quality and process stability
Through coolant: Internal through coolant capability for better chip evacuation and heat management
Dormer Pramet A170 9/16 Inch HSS ST STRAIGHT SHANK JOBBER DRILL, 1/2IN SHANK Hand Deburring using a hydraulic expansion mechanismThe Dormer Pramet A170 is a 9 16 inch diameter HSS jobber drill with a straight 1 2 inch shank, built for dependable metal drilling in handheld tools and machine setups. Its a trustworthy choice for professionals, engineers, tradespeople, hobbyists, and DIYers who need clean, consistent holes through steel, aluminum, and stainless steel. 118 Conventional Point: Provides a strong, selfcentering starting edge that helps holes begin true and stay on
