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 M6x1 6.0 6.35 34 34 68 M8x1.25 8.1 6.35 33 38 69 M10x1.5 10.0 6.35 32 40 70 Package Included:1 x Tap Drill BitMore Details: THIS PRODUCT IS A LIMITED PRODUCTION AND IT’S NOT AVAILABLE IN STORES. IT WILL SELL OUT FAST! Click ADD TO CART to Order Yours Now! Contact Options Email: [email protected] (Best Option) Phone Number: 44 20 7660 1046 Address: London Marketshop, 275 New North Road Islington, Suite 1258, London N1 7AA