BB 100mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~17.0mm) Aluminum Convex (140°)、 (concave)

Convex (140°)、 (concave)

5 D8 25  75  4T 8R2 D8 20  60  4T 8R2 D8 25  75  4T 8R2 D8 25  100  4T 8R2 D8 35  150  4T 8R2 D8 100  200  4T 8R3 D8 20  60  4T 8R3 D8 25  100  4T 9R0

5 D6 20  100  3T 6R2 D6 18  50  3T 6R2 D6 20  75  3T 6R2 D6 20  100  3T 6R2

Parameters are also related to the extension length of the cutter

5 times of the depth of broach hole

BB 100mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(1.5~17.0mm) Aluminum Convex (140°)、 (concave)BB 100mm 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: 1. 5mm 17. 0mm TISIN Nano Coating