1.j bolt .Uwē mākou i kapa (kapa heleum, bolt kumu, bolt kumu, 2. hoʻohana iā mākou i kēia mau papa: carbon steel, 45 # kila, 40 Cr, 35CrMo; 3.Surface Finishing: zinc plated a ʻeleʻele paha a i ʻole HDG; 4.Size: M6-M64; loa 12mm-3000mm 5.Grade: 4.8 8.8 10.9 12.9 6.Standard: DIN, JIS, BS, ASME ...
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