HSS-E Machine tap, BSPT, blind and through holes

HSS-E machine taps, BSPT thread, form C lead chamfer, uncoated. Suitable for both blind and through holes. Taper 1:16

For tapping of through and blind (<1.5xD) holes in (alloyed) steels with tensile strength < 800 N/mm².
Material groups : 1.1 - 1.2 - 1.3