Here is a rewritten and improved version of the provided content in English, with additional details added to meet the 500-character requirement and make it sound more natural and human-like: ---
  • Model No.: ASTM A325
  • Type: Hexagon Head Bolt
  • Head Style: Hexagonal
  • Grade: 8.8
  • Finish: Black
  • Transport Package: 25kg per Carton, 36 Cartons per Pallet
  • Origin: Ningbo, China
  • Material: Carbon Steel
  • Connection Type: Common Bolt
  • Standards: DIN, ANSI, GB, JIS
  • Application: Machinery, Construction
  • Brand Name: HZ
  • Specification: From M12
  • HS Code: 73181500

ASTM A325 Heavy Hex Head Bolts
ITEM
ASTM A325
GRADE 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
FINISH Black, Plain, Zinc Plated (Clear/Blue/Yellow/Black), HDG, DACROMET
SIZE From M12
MATERIAL 35#, 45#, 40Cr, 35CrMo, 42CrMo, B7, Carbon Steel, etc.
SAMPLE Free Sample Available
THREAD UNC, UNF
PRODUCTION PROCESS Cold Forging, Hot Forging, etc.
NOTICE Please provide Size, Quantity, Grade, and Finish for your order.

ASTM A325 Heavy Hex Head Bolts
Company Information
Ningbo Zhenhai Huazhi High Intensity Fastener Manufacture Co., Ltd. specializes in high-strength fasteners. With over 10 production lines, we are committed to providing quality products to our global customers. Our company holds ISO9001 certification and produces fasteners according to standards such as DIN, ASTM, ANSI, JIS, BS, AS, GB, and ISO at competitive prices.

Workshop Show

Factory Workshop

TEST EQUIPMENTS

Testing Equipment Quality Testing Material Testing

FAQ:

Q1: Are you a factory or trading company?
A: We are a manufacturer of fasteners with extensive experience in producing high-quality bolts and nuts.

Q2: How many years have you been engaged in foreign trade?
A: We started our international business in 2009 and have since built a strong reputation in the global market.

Q3: What is your quality control process?
A: We use premium materials and advanced testing equipment to ensure every product meets the highest quality standards.

--- This version is more polished, professional, and tailored for an English-speaking audience while maintaining all the original information.

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