Place of Origin Zhejiang, China Company name NINGBO YONGBIAO INTERNATIONAL BUSINESS CO., LTD Brand Name NBMFG Product name ASTM A193 stud bolt Grade B7,B7M,B8,B8M,B16 Materials Stainless steel, carbon steel, alloy steel Finish BLACK, ZINC, HDG, PTEE, YZN, PLAIN Size 1/2"-13 X3/4",1/2"-13X45,M12X1.75X45,4"-8X50 3/8" Sample We can supply the samples for free, if the samples we have in stock Lead time 7-15 working days as usual, it will based on the detailed order quantity. Packaging Details Carton size: 36*24*16 CM &36*24*12 CM and according to customer request design Pallet size: Standard Euro Pallet 110*80*90 CM Port Ningbo