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High-Quality Hex Bolts from China - Reliable Suppliers & Factory Direct Solutions for Structural Applications
Product Overview
| Product Name | Hex Bolt / Hex Head Bolt / Heavy Hex Bolt |
| Standards | DIN 931 / 933, ISO 4014 / 4017, ANSI/ASME B18.2.1, BS, JIS, or customized |
| Material | Carbon Steel, Stainless Steel (SS304, SS316), Alloy Steel, Brass (on request) |
| Grade | Carbon Steel: 4.8, 6.8, 8.8, 10.9, 12.9 Stainless Steel: A2-70, A4-70, A4-80 |
| Thread Type | Metric / UNC / UNF, Full Thread / Partial Thread |
| Finish | Zinc Plated (Blue / Yellow), Hot-Dip Galvanized (HDG), Black Oxide, Dacromet / Ruspert, Plain / Oiled |
| Size Range | Metric: M5 – M64, Length: 10mm – 1000mm Inch: 1/4" – 2", Length: 3/4" – 40" Custom sizes available on request |
Product Features
-
Strong hexagonal head for high torque tightening -
Wide range of grades and finishes for different environments -
Excellent tensile strength and long service life -
Corrosion-resistant surface treatments -
Precision threads and consistent quality
Applications
Machinery and equipment assembly
Steel structure and construction projects
Bridges, towers, and pipelines
Automotive and railway industries
Marine and offshore engineering
Agricultural and mining equipment
Packaging & Delivery
| Packaging | Bulk in cartons + pallets Small boxes + color labels Custom logo and packaging available |
| Lead Time | 7–30 days depending on order size and customization |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
Over 10 years of fastener manufacturing experience.
Modern production equipment and skilled workers.
Factory-direct price with reliable quality.
Support for OEM / ODM and customized solutions.
Strict QC system with ISO 9001 certification.
Fast response and professional export service.
Frequently Asked Questions
What standards do your hex bolts comply with?
Our hex bolts are manufactured in strict compliance with international standards such as DIN 931, DIN 933, ISO 4014, ISO 4017, ANSI/ASME B18.2.1, BS, and JIS. Custom standard options are also available.
What materials and grades do you offer?
We offer carbon steel (grades 4.8, 6.8, 8.8, 10.9, 12.9), stainless steel (SS304, SS316, grades A2-70, A4-70, A4-80), alloy steel, and brass upon request.
Can I get custom surface finishes for corrosion protection?
Yes, we offer multiple surface treatment options including Zinc Plated (Blue/Yellow), Hot-Dip Galvanized (HDG), Black Oxide, Dacromet, Ruspert, and plain/oiled options to match different application environments.
What is your typical lead time for orders?
Our standard lead time is between 7 to 30 days. The exact timeframe depends on the overall order volume, size requirements, and custom specifications.
Do you support custom packaging and branding?
Yes, we provide flexible packaging options including bulk in cartons with pallets, small boxes with color labels, and customized packaging configurations featuring your own brand logo.
Which port do you ship from?
All of our export products are shipped directly from Tianjin Port, China, which ensures fast and efficient global shipping routes.