China DIN 338 Twist Cobalt Drill Bit for Hard Metal, Find details about China Drill, Drill Bit from DIN 338 Twist Cobalt Drill Bit for Hard Metal
OUR FACTORY
1) We're a direct manufacturer and 100% export to worldwide(USA, Isrel, Jordan, Iran, Thailand,Duabai, South Africa, Kenya, Egypt, Australia, UK, Spain, Brazil, etc)
2) We have around 15 years producing experience.
3) Our drill product:HSS drill bits, masonry drill, SDS drill,glass&tile drill, step drill, wood flat drill, wood auger bit, wood brad drill, center drill, left hand drill, drill set etc.4) Above 95% customers will place a formal order after testing the samples.
Drill bits are cutting tools used to create cylindrical holes, almost always of circular cross-section. Bits are held in a tool called a drill, which rotates them and provides torque and axial force to create the hole. Specialized bits are also available for non-cylindrical-shaped holes.HSS drill Standard: : DIN 338 (jobber series),DIN 340 (long series),DIN 1897 (stub series)
HSS Drill Bits | |||||||||||
Manufacturing | Surface Finish | Sharpening | |||||||||
White | Black | B&W | Tin Coated | Amber | Black&Gold | 118° | 135°S.P. | Turto Max | 118°S.P | Web Thinning | |
Rolled Forged | √ | √ | √ | √ | √ | ||||||
Rolled Polished | √ | √ | √ | √ | √ | √ | √ | √ | |||
Fully Ground | √ | √ | √ | √ | √ | √ | √ | √ | √ | √ | |
Milled | √ | √ | √ | √ | √ | √ | √ | ||||
Standards | DIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333 | ||||||||||
Jobber length,ScrewMachine Length,Taper length,Aircraft Extension | |||||||||||
Material | HSS4241,HSS4341,HSS6542(M2),HSS CO5%(M35),HSS CO8%(M42) | ||||||||||
Shank | Straight shank(Parallel shank), Reduced Shank, hex shank,1/4″Quick change shank,3Flats shank,1/2"shank,3/8"shank | ||||||||||
Helix Angle | Type N,Type W,Type H | ||||||||||
Rotating | Right Hand,Left Hand | ||||||||||
Flute | Normal,parabolic |
HSS GRADE | HRC(Rockwell Hardness) |
Mo2Cr4Vsi--4241 | 60-62 |
Mo3Cr4Vsi--4341 | 62-65 |
Mo3Cr4V---9341 | 63-66 |
Mo5Cr4V2-6542/M2 | 63-66 |
Mo5Cr4V2Co5-M35 | 64-67 HSS Co5% |
Plastic pipe packing | Metal displaybox packing |
Plastic tube packing | Plastic displaybox packing |
1pc / PVC bag,then 1pc / inner paper box | Grey metal displaybox packing |
Metal box for drill bits set packing | Wooden box for drill set packing |
5/10 pieces packind in PVC bag, then in white paper box, then in carton |