Product Code: SNAP/CS/12
Heat treated tool steel countersink with a HSS drill.
Adjustable for different length screws and can produce a 12.7mm (1/2 inch) diameter counterbored hole for woodplugs.
The drill produce pilot holes only.
Dimensions:
D=1/2 inch
D=12.7 mm
D2=9/64 inch
D2=3.5 mm
Shank Diameter=1/4 inch hex
Screw size
S/W=No.12
H/W=No. 10
Shank Diameter: 1/4 hex
Diameter Imperial: 1/2
Diameter Metric: 12.7
Diameter 2 Metric: 3.5
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