6380-0032 Castle Brooke 28Pc Metric Tap & HSCo Cobalt Drill Bit Set. 

Potentially foolproof engineering at your fingertips! 

New from Castle Brooke is this "all-in-one" HSS Tap Set with the correct HSCo Cobalt Jobbers Drill Bits. 

The 28pc set consists of : 
Full sets of 3 different lead HSS taps (1 of each taper, second and plug lead)
3mm, 4mm, 5mm, 6mm, 8mm, 10mm & 12mm

HSCo Cobalt tapping size drill bits
2.5mm for the 3mm tap set
3.3mm for the 4mm tap set
4.2mm for the 5mm tap set
5.0mm for the 6mm tap set
6.8mm frr the 8mm tap set
8.5mm for the 10mm tap set
10.2mm for the 12mm tap set

All housed in a flip top plastic storage box.