Brand:
DORMER A777 HSS-E (8% HSCO Cobalt) DIN 338 Straight Shank Jobber Drill Bit
Jobber Drill Split Point
Model No.
A777
Jobber length drill with straight shank, diameter 0.3mm with an overall length of 19mm and flute length of 3mm according to DIN 338 standard with 135° 4-facet point, cobalt based HSS-E with bronze finish for 4xD drilling without pecking in steel and super-alloy
Feature :
- Bronze Tempered (Bronze Oxide) Surface Treatment
- High Speed Cobalt Steel Tool Material
- DIN 338 – Straight Shank Drill Standards
- 4×D Usable Tool Depth to Diameter Ratio
- Drill Point 135°
- Cylindrical Shank / Straight Shank
- Standard Spiral Flute Design
- Right Hand Rotation / Cutting
- h8 – Industry Standard Tool Tolerance Zone (based on diameter range)
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