Trend Snappy Counterbores Countersinks Drill Countersink Sets 5 piece set makes pilot holes in one go faster professional finishes. No4 No12 gauge screws SNAP/CS/SET hole Counterbore S/SNAP/CS/SET CS/SET Pop tools counter sinks quick release System sink drills 1/4 hex
Heat treated tool steel countersinks with a HSS drill.
Adjustable for different length screws and can produce a 9.5mm (3/8 inch) diameter or 12.7 mm (1/2 inch diameter counterbored hole for woodplugs.The drill produces pilot holes only.
Shank Diameter1/4 inch hexSoftwoodNo.6 (3.5mm) to No.12 (5.5mm)HardwoodNo.4 (3mm) to No.10 (5mm)Drill dia.2mm to 3.5 mmCountersink dia.9.5 mm & 12.7 mm