Back Home / Tools and Equipment / Drill Bits / STEP DRILL BIT-HIGH SPD-STEEL 3/16″-1/2″, 1/4 SHANK STEP DRILL BIT-HIGH SPD-STEEL 3/16″-1/2″, 1/4 SHANK SKU: XST326 Categories: Drill Bits, Tools and Equipment High speed steel construction. Balanced double flute for clean burr-free holes. Freer cutting, cooler running. High speed steel construction. Balanced double flute for clean burr-free holes. Freer cutting, cooler running. Case Quantity: 1 Log In For Pricing