BB 120mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(2.3~20.0mm) 硬质合金铣刀 each additional 1mm increases the

each additional 1mm increases the processing time by 1 second

Which Series Should I Choose

widely used

Edge Strengthening Treatment Sharp With No Burr

spray cooling is optimal

BB 120mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(2.3~20.0mm) 硬质合金铣刀 each additional 1mm increases theBB 120mm Length Carbide Drill Designed for Deep Hole Machining: Powerful Cutting Performance, Durable and Rigid. BB2055 Series: TiSiN Coating, Suitable for Mild Steel Material Hardness: HRC < 40 Point Angle: 120 BB2055 TiSiN HRC < 40 120 Brand Name(): BB Origin(): Mainland China() is_customized(): YES Model Number(): BB2055 DIY Supplies(DIY): Metalworking Type(): Twist Drill Bit() Use(): Metal Drilling() Dia. of Cut: 2. 3mm 20. 0mm TISIN Nano Coating