Hexagon Head Bolts DIN 931

1). Standard: DIN931 partial threaded hex bolts 2). Grade: DIN Gr. 4.6--Gr. 12.9 3). Material: Carbon steel, alloy steel, stainless steel, etc. 4). Surface: Plain, Black, ZP, ZY, H. D. G. etc. 5). Packaging: 25kgs per box, 36 boxes per pallet Competitive Advantages 1). Top Quality control 2). Competitive Price 3). Various of Design 4). OEM Accepted 5). Customer's Design and Logo are Welcome