Bordo BSF Intermediate HSS Hand and Machine Tap - 3030

Bordo BSF Intermediate HSS Hand and Machine Tap - 3030HSS BSF Intermediate Hand and Machine Tap British Standard Fine thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter) Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are subjected to