1.j-bolt. Wy neame it ek (ankerbout, stiftingsankerbout, grûnbout) 2.Wy brûke dizze materialen: koalstofstiel, 45 # stiel, 40 Cr, 35CrMo; 3.Surface-ôfwurking: sink plated as swart of gewoan as HDG; 4.Size: M6-M64; lingte 12mm-3000mm 5.Grade: 4.8 8.8 10.9 12.9 6.Standard: DIN, JIS, BS, ASME ...
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