Features:
HSS drills with recess shank.
Used for drill pilot hole for Hinges.
Can be used to drill through metal, wood and more.
Specifications:
Material:HSS
Size:
5/64": Hole diameter is about 2 mm,Use about 2.2 - 2.8 mm tapping screw
7/64": Hole diameter is about 2.8 mm,Use about 3 - 3.5 mm tapping screw
9/64": Hole diameter is about 3.5mm,Use about 4 - 4.5 mm tapping screw
11/64": Hole diameter is about 4.5mm,Use about 5 - 5.5 mm tapping screw
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