DORMER A7774.9 JOBBER DRILL 4.90 MM 5971274 PK10
Jobber Drill Split Point
References
dormer:A7774.9
rubix:225A9032
Technical specifications
| Drilling diameter | 4.9 mm |
|---|---|
| Total length | 86 mm |
| Length of cut | 52 mm |
Product details : DORMER A7774.9 JOBBER DRILL 4.90 MM 5971274 PK10
Jobber length drill with straight shank, diameter 4.9mm with an overall length of 86mm and flute length of 52mm according to DIN 338 standard with 135° split point, cobalt based HSS-E with bronze finish for 4xD drilling without pecking in steel and super-alloy
Strengths
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)
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)
Technical specifications
Attributes
| Drilling diameter | 4.9 mm |
|---|---|
| Total length | 86 mm |
| Length of cut | 52 mm |
| Din standard | 338 |
| Coating | Bronze |
| Angle of helix | 135 ° |
| Body material | HSS-E |
| Tail diameter | 4.9 mm |
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£ 64.35 excl. VAT
/ Each
£ 77.22 incl. VAT
Usually arrives within 14 working days