#4 HSS Bright Finish 82 Deg. Included Angle Combination Drill and Countersink
Centre drill (combined drill and countersink) with 82? straight conical form, double ended and cylindrical body, size 4 with 1/8" drill diameter, a body diameter of 5/16" and an overall length of 2.1/8", according to ANSI standard to produce form A centre holes or starting pilot and conical seat for US standard countersunk-head screws, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron
Features Back To Top
- 82 deg. Counter sink angle
- 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 | 0.1250" |
Material | High Speed Steel |
Metric Diameter | 3.18 mm |
Overall Length Decimal | 2.1250" |
Overall Length Fractional | 2-1/8" |
Overall Length Metric | 53.98 mm |
Point Angle | 120 Deg. |
Shank Style | Cylindrical shank |