标准:
标准库
(8)
IFI 128-2000Hex coupling nuts
IFI 145-2002Hexagon flange nuts
IFI 145-2002Hex large flange nuts
IFI 100-2002Top insert type regular hexagon series nuts-Table 2
IFI 100-2002Top insert type regular hexagon series nuts-washer faced-Table 2
IFI 100-2002Prevailing torque type all-metal regular hexagon nuts-Table 2
IFI 100-2002Prevailing torque type all-metal regular hexagon nuts-washer faced-Table 2
IFI 107-2002Hexagon flange nuts