Dormer Pramet A170 9/16 Inch HSS ST STRAIGHT SHANK JOBBER DRILL, 1/2IN SHANK Hand Deburring boosting overall part quality and

boosting overall part quality and process stability

and a superior surface finish with precise corner radii

using a hydraulic expansion mechanism to enable quick

and a proven balancing grade with a robust clamping design

long-lasting performance across a wide range of materials

Dormer Pramet A170 9/16 Inch HSS ST STRAIGHT SHANK JOBBER DRILL, 1/2IN SHANK Hand Deburring boosting overall part quality andThe 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