#8 Cobalt 60 Deg. Included Angle Combination Drill and Countersink (Center Drill)
Centre drill (combined drill and countersink) with 60 deg. straight conical form, double ended and cylindrical body, size 8 with 5/16" drill diameter, a body diameter of 3/4" and an overall length of 3.1/2", according to ANSI standard to produce form A centre holes, cobalt based HSS-E and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
Features Back To Top
- 60 deg. countersink angle
- Cobalt base material for wear resistance
- Bright finish improves chip flow in soft or non-ferrous materials
Tech Specs Back To Top
Brand | Dormer |
---|---|
Coating/Finish | Bright |
Cutting Direction | Right |
Decimal Diameter | 0.3125" |
Fractional Diameter | 5/16" |
Material | Cobalt |
Metric Diameter | 7.94 mm |
Overall Length Decimal | 3.5000" |
Overall Length Fractional | 3-1/2" |
Overall Length Metric | 88.9 mm |
Point Angle | 118 Deg. |
Shank Style | Cylindrical shank |