Item Type: Hinge Drill Bit Set Material: High Speed Steel Color: Silver Hole Size: Approx. 5/64 in: The diameter of the hole is about 2 mm / 0.07 in, using about 2.2 - 2.8 mm / 0.08 - 0.1 in self tapping screws 7/64 in: The diameter of the hole is about 2.8 mm / 0.1 in, using about 3 - 3.5 mm / 0.12 - 0.13 in self tapping screws 11/64 in: The diameter of the hole is about 4.5 mm / 0.18 in, using about 5 - 5.5 mm / 0.19 - 0.2 in self tapping screws 5 in: The diameter of the hole is about 5 mm / 0.19 in, using about 5.5 - 6mm / 0.2 - 0.23 in self tapping screws 13/64 in: The diameter of the hole is about 5.1 mm / 0.2 in, using about 5.6 - 6.1 mm / 0.22 - 0.24 in self tapping screws 1/4 in: The diameter of the hole is about 6.3 mm / 0.25 in, using about 6.8 - 7.3 mm / 0.26 - 0.28 in self tapping screws 9/64 in: The diameter of the hole is about 3.5 mm / 0.14 in, using about 4 - 4.5 mm / 0.16 - 0.18 in self tapping screws 1,Accurate Positioning: This drill bit can help you drill a guide hole accurately without moving, which improves the accuracy and efficiency of work. 2,Excellent Design: The unique chip removal holes on both sides of the drill tip will not cause wood chips to block the drill bit, so it works smoothly and quickly. 3, Materials: The hinge drill bit set is made of high speed steel, durable, long service life, good wear resistance, good toughness, corrosion resistance, very practical. 4,Easy to Install: Simple structure, easy operation and installation. Just follow the instructions to change the drill bit quickly without wasting too much time. 5,Wide Application: Useful and accurate item for the installation of doors, wooden boxes, cabinets, wood decks and furniture. A convenience item for DIY and DIY projects.7 x Hinge Drill 1 x Hex Wrench