- HSS Tin-coating twist drill
- 2016-11-18 16:01
- SpecificationsProcess:Fully groundShank: Straight shankSurfce finishing:BlackMaterial:High speed steelUsing:Metal drilli
- HSS M35/M42 Co5%/Co8% Fully Ground Drill Set (TG-4)
- 2016-11-05 19:13
- Professional manufacture all kinds of drill set. HSS material include(4241, 4341, 9341, M2, M35, M42), fully ground or r