**Basic Information**



**Service** As a professional manufacturer, we specialize in designing and producing fasteners according to your specific requirements and performance needs. Our commitment to quality is reflected in rigorous durability testing and advanced technical design, ensuring long-lasting performance. We offer competitive pricing with direct factory supply, making our products cost-effective for a wide range of applications. With over 20 years of experience, we provide comprehensive solutions tailored to meet your unique challenges. Our customized service allows us to create ideal fasteners based on your samples or drawings. If you're unsure about what you need, feel free to contact us anytime—we're here to help you find the right solution.
- Model NO.: M4-M64
- Type: Hexagon Head
- Head Style: Hexagonal
- Grade: 8.8
- Finish: Hot Galvanizing
- Head Type: Hexagon, Round, Square
- Class/Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
- Surface Finishing: Hot Galvanizing, Black, Color-Zinc, Blue-White Zinc
- Specification: M4-M100
- HS Code: 731815
- Material: Carbon Steel
- Connection: Common Bolt
- Standard: DIN, ANSI, GB, JIS, BSW, GOST
- Application: Machinery
- Available Material: Carbon Steel, High Strength Steel, Stainless Steel
- International Standard: DIN, ANSI, GB, JIS, BSW, GOST
- Used: Machinery, Chemical Industry, Environmental, Construction
- Trademark: HN
- Origin: China
Products Name | Heavy Hex Bolt ASTM A325 | ||||||
Standard: | DIN, ASTM/ANSI, JIS, EN ISO, AS, GB | ||||||
Material | Stainless Steel: SS201, SS303, SS304, SS316, SS316L, SS904L, F593 | ||||||
Steel Grade: 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, Anodization, Nickel Plated, Zinc-Nickel Plated | ||||||
Production Process | M2-M24: Cold Forging, M24-M100: Hot Forging, Machining and CNC for Customized Fasteners | ||||||
Customized Products Lead Time | Busy Season: 15-30 Days, Slack Season: 10-15 Days | ||||||
Stock Products | Steel: 4.8 Grade DIN 6923, 8.8 Grade, 10.9 Grade of GB 5783 and GB 5782; Stainless Steel: All DIN Standard Stainless Steel Bolts | ||||||
Free Samples for Standard Fasteners | |||||||
For more information visit: www.hainafastener.com |



**Service** As a professional manufacturer, we specialize in designing and producing fasteners according to your specific requirements and performance needs. Our commitment to quality is reflected in rigorous durability testing and advanced technical design, ensuring long-lasting performance. We offer competitive pricing with direct factory supply, making our products cost-effective for a wide range of applications. With over 20 years of experience, we provide comprehensive solutions tailored to meet your unique challenges. Our customized service allows us to create ideal fasteners based on your samples or drawings. If you're unsure about what you need, feel free to contact us anytime—we're here to help you find the right solution.
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