Description
HSS Counterbore Drill Set - 6 Piece
M3, M4, M5, M6, M8, M10
Overview
Alcock counterbore drills are manufactured from M35 grade HSS including 5% cobalt , this high-grade material offers superior drilling performance and durability. Each drill includes a Titanium Aluminium Nitride (TiAlN) coating to help improve the performance & longevity of the drill.
The Alcock counterbores are used when a fastener is required to sit flush with or below the level of a workpiece's surface.
Features
- Industrial quality M35 Grade HSS including 5% Cobalt
- Precision ground
- TiAlN coating
- Plain shank
- 6pc set
- To suit socket head cap screw sizes
- M3 x 5mm shank
- M4 x 5mm shank
- M5 x 8mm shank
- M6 x 8mm shank
- M8 x 12mm shank
- M10 x 12mm shank