Counterbore with a slow spiral drill fitted.
Tungsten Carbide tipped version of the popular Trend Snappy drill countersink with adjustable HSS drill.
Heat treated tool steel countersink set with a HSS drill.
7 piece drill set metric sizes
Pack of 10 spare drills to suit the drill countersinks.
Self-centring drill for the accurate drilling of pilot holes for fittings such as hinges to ensure exact alignment .
7 piece drill set imperial sizes