Professional Countersink Drill Bit
SKU K14-CS
NZ$30.00
NZD incl. GST
Trade-grade countersink drill bit — drill and countersink in one operation. Heat-treated steel, double-fluted, 45°.
Unit weight
0.05kg
L × W × H
100 × 20 × 20mm
1
Dispatched from Papakura within 24 hours · Freight priced at checkout
Detail
A trade-grade countersink drill bit engineered for builders, joiners and serious DIYers. Built from heat-treated steel for durability and precision, with a double-fluted design that drills and countersinks in one smooth operation — fewer tool changes, cleaner flush finishes.
- Heat-treated steel for long trade life
- 45° countersink, double-fluted for smooth controlled cutting
- Drill and countersink in a single operation
- Seven sizes to match 6–14 gauge screws
Size guide (countersink → matching drill):
- K14 — 1/4" (6.35mm)
- K12 — 7/32" (5.55mm)
- K10 — 5.00mm
- K9 — 3/16" (4.75mm)
- K8 — 11/64" (4.30mm)
- K7 — 5/32" (4.00mm)
- K6 — 9/64" (3.60mm)
The K number relates to the corresponding gauge screw — a K14 cutter is for 14-gauge screws.