Общий каталог FANAR 2021 - страница 287

i Technical information 4.2. Dimension standards Dimension standards assign proper taps outer dimensions (total length, thread length, shank diameter and size of square) of nominal threads dimensions. Symbols Description Machine taps with reinforced shank for metric coarse and fine threads M3 DIN-371 ÷ M10 and for the threads UNC, UNF, BSW, BSF within the range of nominal diameters 1/8” ÷ 3/8” Machine taps with reduced shank diameter for metric coarse threads and DIN-376 for the threads UNC and BSW Machine taps with reduced shank diameter for metric fine threads and for DIN-374 the threads UNF i BSF DIN-5156 Machine taps with reduced shank diameter for the threads G, Rp and Rc Short hand taps for metric coarse threads Norm is also suitable for UNC DIN-352 and BSW threads DIN-2181 Short hand taps for metric fine threads Norm is also suitable for UNF and BSF threads DIN-5157 Short hand taps and machine taps for pipe threads G, Rp 12 284