Presto BA Second Taps HSS


These are made of high speed steel.

This is for the second tap only.

British Association Straight Flute full size taps used as Machine taps or as Hand taps sets for tapping in free cutting Steel up to 800N/mm2. The perfect form thread is generated by a combination of effective pitch diameter, major diameter and chamfer length.

Tap Flute Length Overall Length
0BA 19mm 66mm
1BA 17mm 62mm
2BA 16mm 58mm
3BA 13mm 53mm
4BA 19mm 50mm
5BA 16mm 48mm
6BA 9.5mm 44.5mm
7BA 9.5mm 44.5mm
8BA 9.5mm 44.5mm
9BA 8mm 41mm
10BA 8mm 41mm
12BA 7mm 40mm