Black Heavy Hex Bolt A325 and Heavy Hex Nuts

**Basic Information**
  • 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
**Black Heavy Hex Bolt A325 and Heavy Hex Nuts** ASTM A325 is a standard set by ASTM International for heavy hex structural bolts. The official title of the standard is "Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength." It defines mechanical properties for bolts ranging in size from 1/2" to 1-1/2" in diameter. This standard ensures high strength and reliability for use in critical structural applications. The metric equivalent of ASTM A325 is ASTM A325M, which is titled "Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength." This version applies to sizes from M12 to M36 and follows similar performance requirements as its imperial counterpart. There is also a "T" version of ASTM A325, which refers to fully threaded bolts, commonly used in situations where full thread engagement is required. ASTM International is a voluntary standards development organization that creates technical standards for materials, products, systems, and services. Their standards are widely recognized and adopted globally, ensuring consistency and quality across industries. ---
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
Black Heavy Hex Bolt A325 and Heavy Hex Nuts
Black Heavy Hex Bolt A325 and Heavy Hex Nuts
Black Heavy Hex Bolt A325 and Heavy Hex Nuts
**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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