DIN933 ANSI B18.2.1
Lub npe kab lus:Hexagon taub hau ntsia hlau
Txuj: DIN, ISO, JIS, AISI
Loj: M3-M33
Khoom siv: 304SS, 316SS, carbon steel

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DIN933 ANSI B18.2.1
Lub npe kab lus:Hexagon taub hau ntsia hlau
Txuj: DIN, ISO, JIS, AISI
Loj: M3-M33
Khoom siv: 304SS, 316SS, carbon steel