Kev ntsuas qhov system:
Daim ntawv thov:
Qhov Chaw Keeb Kwm:
Hom Lub Npe:
Qauv nab npawb:
Txheem:
Yam khoom npe | Hlau Chav Kawm 4.8 12.9 HDG Tsis-electrolytic Zinc Chromate Txheej Dacromet Hexagon Hex Txiv Ntoo DIN 934 |
KHOOM | 4.8, 8.8, 10.9, 12.9 |
Txheej | Dacromet, HDG, Zinc thiab lwm yam. |
SIZE muaj | M1-M160 |
Zoo Ua Ntej, Kev Nyab Xeeb Kev Nyab Xeeb