DIN standard: DIN933 DIN931 DIN960 DIN961 DIN6914 EN standard: EN15048 EN14399 ISO standard: ISO4014 ISO4017 GB standard: GB5783 GB5782 GB5785 GB5786 Size: M10,M12,M16,M18,M20,M22,M24,M27,M36,M39,M42,M45,M48,M56,M64 Length: from 20mm to 500mm Grade:8.8,10.9,12.9 ANSI standard: ASTM A325,UNC,UNF Dia: 1/2’’ 5/8’’ 3/4’’ 1’’ 1 1/4’’ 1 1/2’’ 1 3/4’’ Grade: Gr5,Gr8 All surface color: Zinc plated, Yellow Galvanized, Hot dip galvanizing Packing: 1. 25kgs carton+36 cartons into wooden pallet 2. small boxes + big carton+ wooden pallet 3. 15kgs in carton+60 cartons + wooden pallet 4. Sacks in bulk + pallet 5. Domestic packing, small boxes into big carton 1.What is the quality of your products guarantee? We have passed ISO9001:2015 Quality Management System Certification, our inspectors test each lot at different steps during production process. 2:How can I get a quotation? Please provide us your details request (standard, logo, size, material, surface treatment, quantity etc.) t leave us an inquiry or email to us and we will response immediately. You can add my wechat/whatsapp: 008615257861940 3:How to get a free sample? We can send you samples for free,but you must pay DHL courier charge 4:What's the process of order? Send us Inquiry →get quotation →confirm orders→ pay deposit→start production 5:When can l expect the customized product to be finished? Sample:7 weeks (Standard). Bulk order: 40-50 working days(Standard). If you have any other questions, please feel free to contact us!