High quality 6 metric thread M3-M10 titanium coated HSS drill bit and 1/4 hex shank tap

Specification:Material: High Speed Steel (HSS)Tool holder diameter: 1/4 inch (6.35 mm) hexagonWeight: 85gQuantity: 6 piecesUses: suitable for soft metal tapping, aluminum, iron, etc.Size and quantity:M3 x 0.5 (6-32NC) total length: 54 mm; spiral length: 20 mm; drill diameter: 3 mmM4 x 0.7 (8-32NC) total length: 55 mm; spiral length: 20 mm; drill diameter: 4 mmM5 x 0.8 (10-32NC) total length: 56 mm; spiral length: 23 mm; drill diameter: 5 mmM6 x 1.0 (10-24NC) total length: 56 mm; spiral length: 23 mm; drill diameter: 6 mmM8 x 1.25 (12-24NC) total length: 57 mm; spiral length: 30 mm; drill diameter: 8 mmM10 x 1.5 (1/4-20NC) total length: 58 mm; spiral length: 35 mm; drill diameter: 10 mmThe package includes:1×6 compound drill bit