Ningbo Huizone Fastener Co.,Ltd Company Logo Ningbo Huizone Fastener Co.,Ltd

ASTM A307 Gr. B Heavy Hex Bolts

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Ningbo Huizone Fastener Co.,Ltd

Ningbo, China Ningbo Zhejiang
Contact name
Crystal Huang

Quick Information

  • Brand Name: Milfast
  • Place of Origin: China
  • Model Number : ASTM A307 Gr. B


Product Description

1. Standard No: Hex Bolts ASTM A307. Gr. B
2. Sizes: From M12-M48, 1/4-2" all sizes 
3. Material: Low Carbon Steel 
4. Finished: Black, Zinc, HDG, Phosphated, Dacromet etc. 
5. Package: 25kgs Per Box, 36 Boxes Per Pallet
6. Application: Machine industry, Constructions
7.Export Markets:  North America, South America, Eastern Europe, Africa,                                        Oceania, Mid East, Western Europe

ASTM Standards:
A 307 Carbon Steel Externally Threaded Standard Fasteners

The Bolt will generally conform to ANSI/ASME B 18.2.1M Heavy Hex Bolts. Heavy hex bolts and studs intended for flanged joints in piping systems with cast iron flanges.

Manufacturer claims:
(1) Competitive price with high quality
(2) I n a Variety of Design
(3) Ensure delivery in time
(4) OEM Accepted
(5) Customer's Design and Logo are Welcome




  • Price Condition : FOB
  • Delivery Port : Ningbo

Packaging & Delivery

  • Packing :25kgs Per Box, 36 Boxes Per Pallet
  • Delivery Lead Time : 20-45 days
  • Minimum Order : 1000piece
  • Supply Ability : 1600 Ton / Per Month

Product Image

  • ASTM A307 Gr. B Heavy Hex Bolts image

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