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Product Name
Heavy Hex Bolts ASTM A139 B7
Standard:
DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
Material
Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F593
Steel Grades: DIN: Gr. 4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr. 2, 5, 8; ASTM: 307A, 307B, A325, A394, A490, A449
Finishing
Zinc (Yellow, White, Blue, Black), Hot-Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodizing, Nickel Plated, Zinc-Nickel Plated
Production Process
M2-M24: Cold Forging; M24-M100: Hot Forging; Machining and CNC for Custom Parts
Custom Lead Time
Busy Season: 15–30 Days; Off-Season: 10–15 Days
Stock Products
Steel: 4.8 Grade DIN 6923, 8.8 Grade, 10.9 Grade of GB5783 and GB5782; Stainless Steel: All DIN Standard Bolts
Free Samples for Standard Fasteners
For more information, visit: www.hainafastener.com
**Our Services**
As a professional manufacturer, we produce all fasteners according to your specifications and performance requirements. Quality is our top priority, with rigorous testing and advanced design to ensure long-lasting durability. We offer competitive pricing through direct factory supply. With over 20 years of experience, we provide comprehensive solutions to meet your needs. Our customized services are tailored to your samples and drawings. If you're unsure about what you need, feel free to contact us anytime—we’re here to help!
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