About This Worry Free: 5 pieces of fine grade high durable 3/8” (10mm) drill bits to meet needs for multi holes in variety projects; with extra bits at hand, don’t worry about running out of bits in the middle of a project Improved Efficiency: high quality & hardness YG8 tungsten steel alloy head features reduced resistance and better precision and is more wear resistant. U-type Slot Design: allows for fast penetration and evacuation of debris as you work. Anti-slip Triangle Shank: ensures a tight fit and is suitable for electric drill, hand drill and bench drill. Not suitable for impact drills. Applications: Ideal for drilling on iron, copper, aluminum, wood, steel plate, ceramic, brick, plastic, etc. Also suitable for glass, marble, full ceramic tile, granite, etc. Overview Material : High Speed Steel (HSS) Cutting Diameter : 1E+1 Millimeters Shank Type : 3-Flat Cutting Angle String : 118 Degrees Brand : DKIBBITH
