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China Hex Nuts Suppliers | Heavy Hex Nuts Factory for Construction & Automotive Industries

Hebei Chudu Metal Products Co., Ltd. is a leading factory and supplier in China specializing in the manufacturing and export of high-quality hex nuts. Our extensive range of sizes, grades, and finishes is designed to meet international standards, making our hex nuts ideal for use with bolts, screws, and studs across various industries. We proudly serve clients in the construction, automotive, machinery, and energy sectors, offering reliable quality and competitive pricing to meet diverse customer needs. Discover why we are the preferred choice for hex nuts among top suppliers in China

Product Name Hex Nut / Heavy Hex Nut / Standard Hex Nut
Standards DIN 934, ISO 4032, ANSI/ASME B18.2.2, BS, JIS, or custom

Product Details

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Product Overview

Product Name	Hex Nut / Heavy Hex Nut / Standard Hex Nut
Standards	DIN 934, ISO 4032, ANSI/ASME B18.2.2, BS, JIS, or custom
Material	Carbon Steel Stainless Steel (SS201, SS304, SS316) Alloy Steel Brass / Nylon (on request)
Grade	4, 6, 8, 10, 12 A2-70, A4-70, A4-80 (Stainless Steel)
Finish	Zinc Plated (Clear / Yellow / Blue) Hot-Dip Galvanized (HDG) Black Oxide Dacromet / Ruspert Plain / Polished
Size Range	Metric: M3 – M64 Inch: 1/4" – 2-1/2" Special/custom sizes available

Product Features

The six-sided shape ensures easy tightening with standard tools.
Available in standard and heavy-duty types
Durable threads with precise fit to matching bolts
Corrosion-resistant coatings for long-term usage
Suitable for both high-strength and general-purpose applications

Hex Nuts Standard Hex Nuts Heavy Hex Nuts

Applications

Machinery and equipment assembly

Automotive and truck parts

Steel structure and bridge connections

Electrical towers and substations

Petrochemical, mining, and energy industries

General fastening in industrial and commercial use

Packaging & Delivery

Packaging	Bulk in cartons with wooden pallets Small boxes, plastic bags, or OEM retail packs Custom logo, barcode, and labels available
Lead Time	7–30 days depending on order quantity and customization
Shipping Port	Tianjin, China

Why Choose Hebei Chudu

Over 10 years of experience in nut and bolt production.
In-house production with ISO 9001-certified quality system.
Wide stock availability and fast order turnaround.
OEM/ODM customization supported.
Competitive pricing with flexible MOQs.
Exported to over 40 countries worldwide.

Frequently Asked Questions

What standards do your hex nuts comply with?

Our hex nuts are manufactured in strict compliance with international standards including DIN 934, ISO 4032, ANSI/ASME B18.2.2, BS, JIS, and custom specifications to meet global project requirements.

What materials and grades are available for these nuts?

We offer Carbon Steel, Stainless Steel (SS201, SS304, SS316), Alloy Steel, and Brass or Nylon upon request. Available grades include 4, 6, 8, 10, and 12, as well as A2-70, A4-70, and A4-80 for stainless steel products.

What sizes of hex nuts do you supply?

We offer a wide size range. For Metric threads, sizes range from M3 to M64. For Inch threads, we supply sizes from 1/4" to 2-1/2". Special and custom sizes are also available upon request.

What surface finishes do you provide for corrosion protection?

To ensure long-term durability, we provide Zinc Plated (Clear / Yellow / Blue), Hot-Dip Galvanized (HDG), Black Oxide, Dacromet, Ruspert, and Plain/Polished finishes.

What are your packaging options and estimated delivery lead time?

We package products in bulk cartons with wooden pallets, small boxes, plastic bags, or OEM retail packs with custom logos. Our standard lead time is 7 to 30 days depending on order quantity, shipping out of Tianjin Port, China.

Why should we choose Hebei Chudu as our supplier?

With over 10 years of experience, Hebei Chudu offers ISO 9001-certified in-house production, wide stock availability, competitive pricing, flexible MOQs, and reliable OEM/ODM customization. We have successfully exported to over 40 countries worldwide.