Counterbores

Trend Snappy 4mm x 9.5mm TCT Counterbore - to recess screws for plugging "9.5mm diameter TCT counterbore to drill precision recess to hide screws below the surface when used with matching plug cutter. Ideal for screws up to 10 gauge Imperial sizes." ...

Trend Snappy 6.35mm x 12.7mm TCT Counterbore - to recess screws for plugging "12/7mm diameter TCT counterbore to drill precision recess to hide screws below the surface when used with matching plug cutter. Ideal for screws up to 12 gauge Imperial siz...

Counterbore with a slow spiral drill fitted. Tungsten Carbide Tipped for use in abrasive materials. Dimensions: D= 5/8 inch D=15.9 mm D2=1/4 inch D2=6.35 mm C=11 mm Shank Diameter=1/4 inch hex Shank Diameter: 1/4 hex Diameter Imperial: 1/4 Diam...