| Product name: | Din 338 straight shank HSS twist drill bit |
| Material: | M35 |
| Craftwork: | Full grinding, rolling, milling |
| Angle: | 135° |
| Size: | 0.8-20mm |
| Specification: | Metric,inch,digital size. |
| Coating: | no coating,black oxidation,cupric oxide,Tin nitride |
| Package: | 5 or 10 pcs in a PVC box. Can be custom |
| Application: | Stainless steel, iron, aluminum, copper, PVC board, wood drilling |
| Feature: | 1. Full grinding A3K7 craftwork and The raw material is industrial grade high speed steel with high hardness of 99 refining grade, |
| 2.Standard: DIN338,KL67,3L17.Smooth surface finish with no black carbon layer makes it remove chips easily and more efficient | |
| 3.For Drilling processing, precision within 0.02mm |



