Quick-Change Countersink Drill Bits | 2.0–3.5mm + 5PCE Set

Professional quick-change countersink drill bits with a 1/4" hex shank for fast, tool-free bit changes. Compatible with all standard quick-change chuck systems. Ideal for woodworking — each size is matched to specific screw gauges for both softwood and hardwood applications.

Size Guide

• 2.0mm — 4 Gauge screws, Hardwood
• 2.5mm — 6 Gauge screws, Softwood
• 2.8mm — 8G Softwood / 6G Hardwood
• 3.2mm — 10G Softwood / 8G Hardwood
• 3.5mm — 12G Softwood / 10G Hardwood

5-Piece Set

The C332-5SET includes all five sizes (2.0, 2.5, 2.8, 3.2, 3.5mm) plus a hex/Allen key — everything you need for a full range of screw sizes in one convenient kit.

Features

• Quick-change 1/4" hex shank
• Depth-adjustable collar with locking screw
• Sized for softwood and hardwood applications
• Available individually or as a 5-piece set with hex key