carriage bolts din 607/din 603 galvanized 1) Standards: Based on DIN & ANSI & JIS & IFI and per drwing 2) Material: carbon steel, alloy steel, stainless steel 3) Size: M4-M20,3/8"--7/8" 4) Surface: Plain,Zinc ,HDG,DAC,Geomet 5) Thread: UNC, UNF, Metric Thread 6) Quality control : ISO 9001 7) Package : Small box ,Poly Bag,Carton+Pallet 8) Payment Term : TT ,LC Or Weston Union 9) Delivery: 30 days or depend on the qty