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Heavy Hex Bolts ASTM A139 B7
Below is a detailed specification of the Heavy Hex Bolts made according to ASTM A139 standards:
**Product Name:** Heavy Hex Bolts ASTM A139 B7
**Standard:** DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
**Material Options:**
- Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F593
- Carbon Steel: 4.8, 5.6, 5.8, 8.8, 10.9, 12.9 (DIN), Gr.2, Gr.5, Gr.8 (SAE), 307A, 307B, A325, A394, A490, A449 (ASTM)
**Finishing Options:**
Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated
**Production Process:**
- M2-M24: Cold Forging
- M24-M100: Hot Forging
- Machining and CNC for Customized Fasteners
**Customized Lead Time:**
- Busy Season: 15–30 Days
- Slack Season: 10–15 Days
**Stock Products Available:**
- Steel: 4.8 Grade DIN 6923, 8.8 Grade, 10.9 Grade (GB5783, GB5782)
- Stainless Steel: All DIN Standard Stainless Steel Bolts
**Free Samples:**
Available for standard fasteners
**For More Information:**
Visit [www.hainafastener.com](http://www.hainafastener.com)
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**Our Services:**
As a professional manufacturer, we specialize in producing high-quality fasteners tailored to your specifications and performance requirements. Our products are designed with precision and manufactured under strict quality control to ensure durability and long-lasting use.
We offer competitive pricing due to direct factory supply, making our products cost-effective without compromising on quality. With over 20 years of experience in the industry, we provide comprehensive solutions to meet your specific needs.
Whether you need standard or custom-made fasteners, we can produce them based on your samples or drawings. If you're unsure about which product suits your application, feel free to contact us anytime for expert guidance and support.
Let us help you find the perfect fastening solution that meets your project’s demands.