BB 150mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~6.45mm) solid carbide combined with a spherical chip-breaking

combined with a spherical chip-breaking groove

Spiral Groove Design

simple and safe for beginners and technicians

Series Coating Best For Hardness Range BC2055 DLC Aluminum

CNC Engraving Machine

BB 150mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~6.45mm) solid carbide combined with a spherical chip-breakingBB 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