Stub drill is recommended for use in difficult materials and applications. A 135° split point makes self-centring easier and also reduces the cutting forces. Can be relied on to produce a precise hole and quality finish. The bronze finish is a thin oxide layer and it is an indication for cobalt.
Technical Specification
More Information
Brand
Dormer
Manufacturer Part Number
A1172.0
Cutting Diameter (in)
0.0787
Cutting Diameter (mm)
2
Features & Benefits
Bronze tempered (bronze oxide) surface treatment
High speed cobalt steel tool material
DIN 1897 stub drill standard
2.5xD usable tool depth to diameter ratio
135° drill point angle
Cylindrical shank/straight shank
Standard spiral flute design
Right hand rotation/cutting
h8 Industry standard tool tolerance zone (based on diameter range)
Series A117