DRILLPRO HRC89 M3-M10 SET PUNTE PER TRAPANO COMBINATE TIALN PUNTE PER SVASATORI CON SBAVATURA IN ITALIA

Uses 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 BitMaterial: HSS-CoShank: 1/4" (6.35mm) hex shankSurface Treatment: TiAlN CoatedDIY Supplies: MetalworkingSize: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5SizeBit Diameter(mm)Shank Diameter(mm)Shank Length(mm)Blade Length(mm) Total Length(mm)M3x0.53.06.35412565M4x0.74.16.35363166M5x0.85.06.35363267M6x16.06.35343468M8x1.258.16.35333869M10x1.510.06.35324070Package Included:1 x Tap Drill Bit