Bolt ya macho
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Kifunga cha OEM cha chuma cha pua 316 DIN580 M12 bolt ya macho ya kughushi
Kawaida: DIN,ASTM/ANSI JIS EN ISO,AS,GB
Chuma cha pua: SS201, SS303, SS304, SS316,SS316L,SS904L ,SS31803
Daraja la Chuma la Nyenzo: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;SAE: Gr.2,5,8;ASTM: 307A,307B,A325,A394,A490,A449,
