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 Diameter: 1/4 inch hex
Softwood: No.6 to No.12
Hardwood: No.4 to No.10
Drill dia.: 2mm to 3.5 mm
Countersink dia.: 9.5 mm & 12.7 mm
