Dormer
Dormer HSS Drill Bit, 8.3mm Head, 3 Flute(s), 90°, 1 Piece(s)
Part No.
G1068.3
Procurement Intelligence
This is a Dormer HSS countersink drill bit from the standard industrial drilling series, designed for creating conical recesses in metal and composite materials for countersunk fasteners. Critical verification: confirm the 90° angle matches your fastener head angle (ISO 14539 standard for flat-head screws) and validate shank diameter compatibility with your machine chuck or holder.
Countersinking flat-head fasteners
Before ordering — verify:
| ☐ | HSS material durability |
| ☐ | 90° angle verification |
| ☐ | 6mm shank fit |