SK11 Steel Pilot Drill Hex High-Speed Set, Shank, 3.0, 4.0, 5.0mm

Sizes: 3.0, 4.0, 5.0 mm; Shaft diameter: 6.35 mm; Hexagonal shaft Compatible models: Electric drills and cordless impact drivers Applicable wood screw sizes: (3.0): 3.3~3.8mm, (4.0): 4.5~5.1mm, (5.0): 5.2~5.8mm Quantity: 3 pieces Drill: High-speed steel