BB 80mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(2.0~10.0mm) CNC刀具 01mm runout tolerance for burr-free

01mm runout tolerance for burr-free chamfers and smooth side walls

Overall Optimized Design

and it has strong versatility

具备更大的容屑空间，有效防止堵塞，保障切屑顺畅排出。这不仅降低了钻孔过程中的热量积聚，也最大限度地减少了工件污染。

BK2055:Black coating

BB 80mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(2.0~10.0mm) CNC刀具 01mm runout tolerance for burr-freeBB 80mm 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. 0mm 10. 0mm TISIN Nano Coating