Deburr Countersink Tap Drill Bit Set 6pcs M3 - M10 HSS Titanium Combination 1/4 Inch Hex for Wood Plastic Aluminum Copper

Description

Size: Size: Hex Shank Diameter: 7mm M3*0.5: Spiral Tap Length: 65mm, Thread Length 17mm. M4*0.7: Spiral Tap Length: 67mm, Thread Length 21mm. M5*0.8: Spiral Tap Length: 67mm, Thread Length 22mm. M6*1: Spiral Tap Length: 68mm, Thread Length 24mm. M8*1.25: Spiral Tap Length: 70mm, Thread Length 31mm. M10*1.5: Spiral Tap Length: 72mm, Thread Length 35mm. Note: M3 means for 3mm screw, 0.5 means wire distance, also called coarse teeth. Adopt from metric system. Package Included: 6PCS Spiral Tap