QWORK 7 Pcs Self Centering Clic Change Door Hinge Drill Bit Set, 5/64", 7/64", 9/64", 11/65", 5mm, 13/64", 1/4"

Product Specification Package quantity: 7 Pcs Drill bit size: 1) 5/64'': Hole diameter is about 2 mm,Use about 2.2 - 2.8 mm tapping screw 2) 7/64'': Hole diameter is about 2.8 mm,Use about 3 - 3.5 mm tapping screw 3) 9/64'': Hole diameter is about 3.5mm,Use about 4 - 4.5 mm tapping screw 4) 11/64'': Hole diameter is about 4.5mm,Use about 5 - 5.5 mm tapping screw 5) 5mm: Hole diameter is about 5 mm,Use about 5.5 - 6 mm tapping screw 6) 13/64": Hole diameter is about 5.2mm,Use about 6 - 6.5 mm tapping screw 7) 1/4": Hole diameter is about 6.5mm,Use about 7 - 7.5 mm tapping screwMaterial: High speed steel drill bit and brass body with electroplating; Adjustable drill depth; Remove drill for easy replacement Shank :1/4" Hexagonal (6.35mm) Feature Clic-Change design of 1/4" hex shank (6.35mm), fast, one-handed load and release of bits Spring loaded outer guide with chamfered head keeps the high-speed drill centered for perfect pilot holes. Self-centering prevents walking around Sawdust jamless, durable, high quality used by professional carpenters and tradesmen