Trend Snappy Drill Countersink HSS No12 from Cookson Hardware.
Product Reference: SNAP/CS/12
Heat treated tool steel countersink with a HSS drill. Adjustable for different length screws and can produce a 12.7mm (1/2inch) diameter counterbored hole for woodplugs. The drill produce pilot holes only.
Dimensions:
Drill Diameter - 3.5mm / 9/64"
Countersink Diameter - 12.7mm
Screw Size in Softwood - 12
Screw Size in Hardwood - 10
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