方焊缝DIN 928 DIN 557不锈钢304公制批发不同类型的平方螺母用于摩托车电池
Product Name nuts Size M1-M16,or non-standard as request&design Material Stainless Steel,Alloy steel,Carbon Steel,Brass,Aluminum and So on Grade 4.8,8.8,10.9,12.9.etc Standard GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc Non-standards OEM is available, according to drawing or samples Finish Plain, black, zinc plated/according to your requirement认证ISO9001,IATF16949,ISO14001等