ITEM NAME:74Pcs/Lot 1-8Mm Hss Twist Drill Bits Cobalt Whole Ground Metal Reamer High F1N3 74Pcs/Lot 1-8Mm Hss Twist Drill Bits Cobalt Whole Ground Metal Reamer High F1N3 DIY Supplies: Metalworking Model Number: Cobalt Drill Bits length: Other Use: Metal Drilling Type: Twist Drill Bit Material: HSS CO/M35 color:picture color Specification: Brand new Size: 1mm (10pcs), 1.5mm (10pcs), 2mm (10pcs), 2.5mm (10pcs), 3mm (5pcs), 3.2mm (5pcs), 3.5mm (5pcs), 4mm (5pcs), 5mm (5pcs), 6mm (5pcs), 7mm (2pcs), 8mm (2pcs) Quantity: 74pcs Feature: M35 high-speed steel material. 135 ° double rear apex design, self-centering, without prior drilling. Whole ground technology, faster drilling rate. High strength and hardness. Good wear resistance. Easy to use. Durable in use. Used for Stainless steel, steel, iron, aluminum and other metal pipes job openings. Package included: 74 pcs * Cobalt Drill Bit
