DIN 1897 Type N
1.Size:1.00~26.50
2.Overall Length(mm):26~256
3.Flute Length(mm):6~78

HSS straight shank twist drill DIN1897(Stub series)
HSS straight shank twist drill DIN340 (Long series)

1.Size:1.00~26.50
2.Overall Length(mm):26~256
3.Flute Length(mm):6~78

4.Standard: DIN 338 DIN340 DIN1897...

5.Material :HSS4341,HSS9341 M2, M35, M42 (High speed steel)

6.Diameter: 1mm to 20mm

7.Point angle: 118°or 135°

8.Finished color: Black,White & TIN coated