HARFINGTON Twist Drill Bit 37/64″ Dia High-Speed Steel 4341 Metric Drill Bits 5.7″ Overall Length with Black & Gold Oxide Coating for Drilling Hard Metals, Stainless Steel, Alloy Steel 37/64″ x 5.7″ x 3/8″
A single 37/64″ (14.29 mm) HARFINGTON twist drill bit made from high-speed steel 4341 with a black & gold oxide finish, 135° split point, and spiral flutes for efficient chip removal in hard metals.