Jina la bidhaa SAE J429 2/5/8 UNC Hex Bolt/ Hex Cap Screw
Kawaida: DIN,ASTM/ANSI JIS EN ISO,AS,GB
Daraja la Chuma: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9;SAE: Gr.2,5,8;
ASTM: 307A,A325,A490,
Finishing Plain ,Zinki(Njano,Nyeupe,Bluu,Nyeusi),Hop Dip Iliyobatizwa(HDG),Oksidi Nyeusi,
Geomet,Dacroment,,Nikeli iliyopakwa,Zinki-Nikeli iliyopakwa