SAE J429 1/4"-4" Carbon Steel,Alloy Steel,Stainless Steel Hex Nuts
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SAE J429 1/4"-4" Carbon Steel,Alloy Steel,Stainless Steel Hex Nuts

At Topbolt Metalworks, we specialize in manufacturing and supplying S AE J429 Hex Nuts designed for superior performance and reliability across various industries. With sizes ranging from 1/4"-4" and multiple finishing options, our hex nuts meet stringent international standards, ensuring exceptional quality and durability. As a leading custom Fasteners manufacturer, we cater to bulk orders and offer customizable solutions tailored to your project requirements. Let us be your trusted partner for all your bolts and nuts in bulk needs.
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Hex Nuts Product Specifications

Parameter

Details

Standard

SAE J429

Size

1/4"-4"

Material

Carbon steel,Alloy Steel,Stainless steel

Finish

Plain, Black, Galvanized, H.D.G, YZP,Xylan,Polishing

Grade

Gr2, Gr5, Gr8, A2-70

Packaging

25kgs/box, 36 boxes/pallet, 900kgs/pallet. Custom packaging available.

Our hex nuts are engineered to meet the diverse demands of industries including construction, machinery, and heavy equipment manufacturing. The available grades, finishes, and materials provide flexibility for a variety of applications, ensuring optimal performance.




Why Choose Topbolt’s SAE J429 Hex Nuts?

Uncompromising Quality

We adhere to ISO9001:2015 standards to guarantee consistent quality from raw material sourcing to final production. Each batch undergoes rigorous testing for tensile strength, hardness, and dimensional accuracy to meet or exceed industry expectations. Our good quality Fasteners ensure reliability in demanding conditions.

Customization Options

As a leading custom Fasteners manufacturer, we offer flexibility in materials, finishes, and sizes to meet your unique requirements. Whether you need custom metal fittings or bulk production, we provide tailored solutions for your business.

Competitive Pricing

Topbolt Metalworks’ advanced production technology and optimized supply chain allow us to offer cheap bolts and nuts without compromising quality. Partner with us for the best value in the market.




Understanding SAE J429 Standards

SAE J429 is a standard specification for mechanical fasteners, including hex nuts and bolts, widely used in automotive and construction industries. It outlines requirements for material composition, mechanical properties, and dimensions, ensuring that fasteners perform reliably under specific load conditions.

Why SAE J429?

  • Uniform Quality: Ensures consistency in production and application.

  • Global Compatibility: Widely recognized in international markets, making it easier to source compatible components.

  • Enhanced Safety: Meets high-strength demands for critical applications.

By choosing SAE J429 hex nuts, you’re investing in fasteners that deliver long-term value and reliability.




Material Grades: What Does Gr2, Gr5, and Gr8 Mean?

The grades of hex nuts denote their material strength and intended application. Here’s a breakdown:

  • Grade 2 (Gr2): Made from low or medium carbon steel, suitable for general-purpose applications. Economical and versatile.

  • Grade 5 (Gr5): Higher strength, achieved through heat treatment, ideal for automotive and machinery industries.

  • Grade 8 (Gr8): Premium high-strength fasteners made from alloy steel, used in heavy-duty machinery and high-stress environments.

  • A2-70: Stainless steel with corrosion resistance and high tensile strength, perfect for outdoor or marine applications.

Our product range includes all these grades, ensuring you find the right fastener for your specific needs.




How Are Hex Nuts Manufactured?

The production process for hex nuts involves several precise steps to ensure quality and uniformity:

  • Material Selection: High-quality steel or stainless steel is sourced.

  • Cold Forging: Raw material is shaped into the basic hexagonal form.

  • Threading: Threads are formed using advanced threading machines for precision.

  • Heat Treatment: Enhances strength and hardness, meeting grade specifications.

  • Surface Finishing: Adds protective coatings like galvanization or Teflon for durability and corrosion resistance.

  • Quality Inspection: Final products undergo rigorous testing to ensure compliance with SAE J429 standards.

Our advanced manufacturing techniques ensure consistent quality and timely delivery for all orders.




FAQ

Q: What is the minimum order quantity (MOQ) for your hex nuts?

A: Our standard MOQ is 500kgs per size and grade. For trial orders or customized requirements, please contact us for more details.

Q: Can you provide samples?

A: Yes, we offer free samples for standard sizes. Custom samples can also be arranged upon request.

Q: What are the lead times for bulk orders?

A: Typically, production lead times are 30-45 days, depending on the order volume and customization requirements.

Q: Do you ship internationally?

A: Yes, we provide global shipping solutions, ensuring safe and timely delivery.




Contact Us

Ready to source high-quality hex nuts? Contact us today to learn more about our products and services. At Topbolt Metalworks, we pride ourselves on being a reliable Fastners manufacturer offering low prices, custom Fasteners, and good quality Fastners to meet all your project needs.

  • Sales Office: ROOM1-3, NO.34, BUILDING 5, EASTERN BUSINESS CENTRE, JIANGDONG DISTRICT, NINGBO, CHINA

  • Factory Location: Yuyan, Xiepu Chemical Industrial Zone, Zhenhai District, Ningbo, China

  • Tel: 0086-574-86595122

  • Fax: 0086-574-86657066

  • E-mail: sales2@topboltmfg.com

Partner with Topbolt Metalworks and experience the best combination of good quality, competitive pricing, and reliable supply for all your bolts and nuts in bulk requirements. Let’s build success together!

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WhatsApp: +8618069043038
Telephone: +86-574-86595122
Phone: +86-18069043038
Email: sales2@topboltmfg.com
Address: Yuyan, Xiepu Chemical Industrial Zone, Zhenhai District, Ningbo, China

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