
Combination Drill Tap Bit Set
Super Sale is Back! Description:Drillpro HRC89 M3-M10 Combination Drill Tap Bit Set TiAlN Coated Deburr Countersink BitsUses HSS-Co material, hardness up to HRC89, more durable,can be used for drilling the steel plate even the 2-4mm 304 steel plate.Industrial Grade TiALN Coating,TiAlN coating surface will form Al2O3 which form a hard protective layer when drilling.(Perfect for high speed drilling)Service life is 5-10 times longer than general tap drill. (Can drilling without coolant, with coolant, service life will be longerand performance will be better.)118° X Bit Design, you can drill from any angle, no slipping. Specifications:Type: Tap Drill Bit Material: HSS-CoShank: 1/4" (6.35mm) hex shankSurface Treatment: TiAlN Coated DIY Supplies: Metalworking Size: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5 Size Bit Diameter(mm) Shank Diameter(mm) Shank Length(mm) Blade Length(mm) Total Length(mm) M3x0.5 3.0 6.35 41 25 65 M4x0.7 4.1 6.35 36 31 66 M5x0.8 5.0 6.35 36 32 67