6Pcs M3-M10 Tialn Coated Hssco M35 Cobalt Taps 1/4In Hex Screw Tap Drill Bits

Features: *Brand new unused *Made of high quality material durable *M3-M10 Combination Drill Tap Bit Set TiAlN Coated Deburr Countersink Bits *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 longer and performance will be better.) *118° X Bit Design you can drill from any angle no slipping. Specifications: Product Name:Tap Drill Bit Material: HSS-Co Color:black as picture Shank: 1/4 (6.35mm) hex shank Surface Treatment: TIAlN Coated Optional Size: M3*0.5 (TIAIN)，M4*0.7 (TIAIN)，M5*0.8 (TIAIN)，M6*1 (TIAIN)，M8*1.25 (TIAIN)，M10*1.5 (TIAIN) Package Content: 1 *Tap Drill Bits Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.