DIN7991
Tshooj Npe: Hexagon ntsaws Couttersunk Taub Hau Ntsia Hlau
Txheem: Din, ISO, JIS, AISI
Qhov loj me: M3-M12
Cov Khoom Siv: 304SS, 316SS, Cov Hlau Cab

DIN7991
Tshooj Npe: Hexagon ntsaws Couttersunk Taub Hau Ntsia Hlau
Txheem: Din, ISO, JIS, AISI
Qhov loj me: M3-M12
Cov Khoom Siv: 304SS, 316SS, Cov Hlau Cab