High quality M42/M35/M2/W43 coffee color morse taper shank metal twist drill bits
USD $0.06 - $11.7 /Piece
Min.Order:100 Pieces
Jiangsu Tiangong Tools Co., Ltd.
1. Standard: 5.0~30.0mm for DIN345, DIN341;ANSI.
2. Steel material: M2(6542), M35, M42, HSS9341, HSS4341, HSS 4241
3. Process: Fully ground, milled, roll forged
4. Point angel: 118degree general angle, 118degree for a point
5. Surfce finishing: Bright finished, black oxide, Tin-coated, black & bright,sandblast&polished finishing.
6. Shank: taper shank
7. Hardness: 63-66HRC