M4 x 79 mm HSS Steam Tempered RH 118 Deg. Step Drill
Step drill with 180? included step angle, straight shank and a drilling-pilot diameter of 4.50mm with a length of 11.00mm, a large diameter of 8.00mm and an overall length of 79mm, according to DORMER standard to produce a medium fit through hole and flat bottom seat for M4 socket-head cap screws, HSS and steam tempered finish for machining free machining, plain carbon and alloy steel, ferritic and martensitic stainless steel and grey cast-iron
Tech Specs Back To Top
| Brand | Dormer |
|---|---|
| Coating/Finish | Steam Oxide |
| Cutting Direction | Right |
| Decimal Diameter | 0.1772" |
| Diameter | 4.50 mm |
| Material | High Speed Steel |
| Overall Length Inches | 3.1102 |
| Overall Length Metric | 79 mm |
| Point Angle | 118 Deg. |
| Shank Style | Cylindrical shank |
