Haiyan Hongda Hardware Manufacture Co., Ltd

Carriage bolt

we are a professional carriage bolt manufacture with 11 years experiences in China and monthly output up to 9 million pcs

• Material:
• ASTMA-36,ASTMA-307, and stainless steel (SUS304, SUS316)
• Surface treatment:
• ZP, BLACK OXIDE, HDG, DACROMET, PHOSPHATE
• Bolt size:
• M6-M20
• Standards:
• AIA/NAS; AN/MS; ASME/ANSI; BS; DIN; ISO; JIS; SAE

Main Products:
U BOLT

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