BB 150mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~6.45mm) solid carbide combining various flute designs

combining various flute designs

2 D4 7  50  4T 2

Series Coating Best For Hardness Range BC2055 DLC Aluminum

long stable life can be trimmed edge

But this will make the appearance of the drill bit not good-looking

BB 150mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~6.45mm) solid carbide combining various flute designsBB 150mm 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. 6mm 20. 0mm TISIN Nano Coating