五金、紧固件、配件
GB812 M22-1.5 304 B
GB9074.17 M6-1X14 304 B
GB818 M4-0.7X8 304 A2-70 B
DIN912 M3-0.5X18 304 B Q
ISO7380 M3-0.5X10 304 A2-70 B Q
GB819 M3-0.5X20 316 A4-70 B
DIN912 M3-0.5X14 304 B Q
GB819 M4-0.7X8 304 A2-70 B
GB818 M2.5-0.45X5 304 A2-70 B
GB22795 M8-1.25X80 304 B
