... SM51 M8; SM76 M10Detailed Selling Lead Description Specifications:SM-25 Tensile strength(LBS): 500, Torgue Strength(FT ... screw(mm): 6/8, weight(G): 86 SM-45 Tensile strength(LBS): 1000, Torgue Strength (FTLBS ... 40, Voltage withstand(KV): 25, screw(mm): 10/12, weight(G): 170 SM-76 Tensile strength(LBS): ... 1500, Torgue Strength(FT LBS): 40, Voltage withstand(KV): 25, screw ...