Complaint
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)
Roll Forged, Black | Rooled & Polished, White | Fully Ground, White |
Fully Ground, In Coated | Fully Ground, Black & Amber | HSS Cobalt, Full Ground, Amber |
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 |
