Dormer A777 HSCO Cobalt Heavy Duty Jobber Drill Bits.
Dormer A777 Cobalt drill bits have a bronze coating, are to DIN 338 standard, have a right hand spiral and a point angle of 135°. The A777 Cobalt drills are for drilling higher tensile, tougher materials where greater heat is generated during machining, ideal for use in CNC & automated machines. Ground flutes and optimised helix for more efficient chip flow. Available in 0.3-16.0mm, 1/16-1/2 Inch, Also available in stub length (A117).
Drill bit sets of the A777 are avaiable:
https://www.nestools.com/Products/drill-bit-set
| Flute Length | 94mm |
|---|---|
| Overall Length | 142mm |
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