Dormer A77712.0 A777 HSS-E/HSCO Cobalt Jobber Drill 12.0mm (Single)
The Dormer A77712.0 is a 12mm Heavy-Duty Cobalt Jobber Drill coated with Bronze. The A777 HSS-E High Speed (8%) Cobalt Jobber Drill Bit has a 135 Degree Split Point. Designed for use when greater heat is generated during drilling, e.g on higher tensile, tougher materials and in particular the Aerospace Industry.
Features:
- 135 degree split point - Help with self-centring and reduce the push force required
- Bronze oxide finish - Prevent work piece material from sticking to the cutting edge
- Improved accuracy - Produce more accurate holes both size and finish quality
- Premium HSCO material - Can be used for drilling hard materials incl. tool steels
- Heavy duty design - Recommended to use in difficult materials & applications
Specification:
- DIN338
- Head Diameter: 12.0mm
- Cutting Length: 100mm
- Overall Length: 150mm