A321 - 4.2mm Dormer Three-Flat Shank HSS Drills, Steam and Bronze Tempered Surface Finish (Pack of 10)
A3214.2
A321
Heavy duty design drill with three-flat shanks for medium depth holes. Diameter 4,2 mm with an overall length of 74 mm. Primarily suited for hand-held operations and pillar drill machines. Three flats on the shank allow for non-slip chucking. The self centering 135° split point reduces thrust force and the steam and bronze tempered surface finish improves lubricity. Suitable for drilling primarily in wide range of thin walled materials.
| Cutting Diameter (DC) | 4.20mm |
| Flute Length (LCF) | 47.0mm |
| Overall Length (OAL) | 74.0mm |
| Shank Diameter (DCON MS) | 4.20mm |
A3214.2 A321 - 4.2MM DORMER THREE-FLAT SHANK HSS DRILLS, STEAM AND BRONZE TEMPERED SURFACE FINISH (PACK OF 10)