Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener

• Customization: Available
• Material: ODM/OEM
• Type: Hexagon Head
• Model NO.: DIN931
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB
• Application: Machinery, Chemical Industry, Environmental, Building
• Freight: Real-Time Quotation
• Shipping Time: 4-40 Working Days
• Production Time: 0-35 Working Days
• MOQ: 10000PCS
• Transport Package: Carton Package
• Specification: ODM/OEM
• Trademark: ODM/OEM
• Origin: China
• Package Size: 23.00cm * 23.00cm * 25.00cm
• Package Gross Weight: 23.000kg

Product Description

Choose us, choose quality. Your reliable partner in fastening solutions.

Support the production and customization of various fasteners.
In Chinese, "Hongniu" means strength and excellence.
Our products live up to our name — high-quality fasteners that take your products to the next level.

Hongniu Fasteners

Business cooperation is based on honesty and trust.
We will do our utmost to be your reliable and long-term supplier, safeguarding the quality of your products.
Our relationship is not merely that of a buyer and a seller — we are partners who depend on each other to create both wealth and reputation.

Product Overview

Our DIN931 Hex Head Bolts are precision-engineered for strength and durability. 
Partially threaded design ensures secure fastening in machinery, automotive, and construction applications. 
Available in a variety of sizes and materials to meet your project needs.

Feature	Description
Standard	DIN931
Head Type	Hex Head
Thread Type	Coarse Thread, Partially Threaded
Material	Carbon Steel / Stainless Steel / Alloy Steel
Surface Treatment	Plain / Zinc Plated / Black Oxide / Hot-Dip Galvanized
Diameter (mm)	M6 / M8 / M10 / M12 / M16 / M20 (customizable)
Length (mm)	20–200 (customizable)
Strength Grade	4.8 / 8.8 / 10.9
Application	Machinery, Automotive, Construction, Industrial Equipment
MOQ	10,000 pcs (negotiable)
Packaging	Carton / Pallet / Customized Packaging
OEM/ODM	Available

Key Features

Packaging & Shipping

1. Durable & Reliable: High-strength steel ensures long service life.
2. Precision Threading: Coarse threads for strong fastening.
3. Versatile Applications: Ideal for construction, machinery, and automotive industries.
4. Customizable: Diameter, length, material, and surface treatment available on request.
5. Quality Assurance: Strict inspection ensures top quality for international standards.

1. Bulk + Cartons + Pallets
2. Small box / color box / plastic box available
3. Custom logo packaging accepted
4. Shipping: FOB / CIF / EXW, support sea/air/express

Company Profile

Company introduction

Yangzhou Hongniu Import and Export Co., Ltd. is the foreign trade subsidiary of Jiangsu Hongding Automotive Parts Co., Ltd.
It was founded in June 2000. Located in Tangzhuang Town Industrial Park, Gaoyou City, with convenient transportation.
The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital of 20 million yuan, total assets of 78 million yuan, and fixed assets of 56 million yuan. 
Main products: Various types of automotive parts and fasteners, castings and forgings, etc. 
Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc.
We have maintained cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly valued by our customers due to our good reputation and excellent quality.

Why Choose Us 

1. 20+ Years Manufacturing Experience
2. ISO9001 Certified Factory
3. Support OEM / ODM & Custom Packaging
4. Fast Delivery and Competitive Price
5. Professional Export Team for the Europe, Australia, North and South America,etc.

Certifications

FAQ

Please feel free to talk more with us!

Q1: What is the minimum order quantity?
A1: Products in stock with no MOQ. If you need us to produce, the MOQ is 10,000pcs.
Q2: Can you provide a sample? 
A2: Sure, some samples are provided free of charge, but not including freight. 
Q3: How long is your delivery time? 
A3: Generally, it is 10-15 days if the products are in stock. or it is around 30 days to produce, and it is according to quantity. 
Q4: What is your payment method? 
A4:  T/T, 30% deposit in advance, balance payment before loading.  Order less than 5,000USD, 100% payment to reduce the bank charges. 
Q5: Can you customize the product according to the requirements of drawing sheets and so on? 
A5: Yes, please feel free to talk more details with us and send us the design drafts.