HSS Twist Drill

一12一 HSS Twist Drill Brand:SUNRAISE Standard Size: 1.0-25.0mm for DIN338, DIN1897, DIN340 Material: M2 (6542), M35, M42, HSS9341, HSS4341, HSS 4241 Point angel: 118/135 degree HSS Twist Drill1:Standard Size: 1.0-25.0mm for DIN338, DIN1897, DIN340. 2: Steel material: M2 (6542), M35, M42, HSS9341, HSS4341, HSS 4241. 3: Process: fully ground, milled, polished, roll forged. 4: Point angel: 118 degree, 118 degree split point, 135 degree split point. 5: Surface finishing: bright