Hongniu Fasteners Premium Quality Half Moon Woodruff Keys Perfect Fit for Motors, Gearboxes & Engineering Equipment

• Customization: Available
• Material: ODM/OEM
• Surface Finishing: ODM/OEM
• Model NO.: Woodruff Key
• Certification: ISO, GS, RoHS, CE
• Type: Parallel Key
• Grade: 4.8
• Dia: ODM/OEM
• Length: ODM/OEM
• Thickness: ODM/OEM
• Transport Package: Carton Packgae
• Specification: ODM/OEM
• Trademark: ODM/OEM
• Origin: China
• HS Code: 7318290000
• Package Size: 35.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 23.000kg

Product Description

Size	Thickness	Radius	Material	Finish	MOQ
ODM/OEM	ODM/OEM	ODM/OEM	ODM/OEM	ODM/OEM	30,000pcs

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

Product Name:  Parallel Key / Machine Key / Shaft Key
Standard:  DIN6885 / ISO2491 / GB / Custom Standard
Material:  Carbon Steel, Stainless Steel, Alloy Steel
Surface Finish:  Plain, Black Oxide, Zinc Plated, Dacromet
Size Range:  Metric & Inch Sizes Available
Grade:  8.8 / 10.9 / 12.9 or as requested

---High precision manufacturing
---20+ years of fastener production experience
---OEM & ODM supported

Parallel keys (also called machine keys or shaft keys) are used to connect rotating machine parts, such as shafts and hubs, ensuring precise torque transmission.
Our keys are manufactured with strict tolerance control, smooth surface finish, and standardized dimensions, making them ideal for motors, gearboxes, pumps, and transmission systems.

Advantages

1. Accurate dimensions, consistent tolerance
2. High strength and wear resistance
3. Corrosion protection for long service life
4. Custom shapes and sizes available

Specification

Available Types 

(Support customization according to drawing or sample.)

Type	Standard	Material	Surface Finish
Parallel Key (DIN6885)	DIN / ISO	Carbon Steel	Plain / Black Oxide
Feather Key	GB / Custom	Stainless Steel	Polished
Step Key	Custom	Alloy Steel	Zinc Plated
Woodruff Key	DIN / ISO	Carbon Steel	Black Oxide

Surface Treatment Options

Applications

1. Plain (Self-color) – Natural metal finish
2. Black Oxide – Anti-rust and anti-glare
3. Zinc Plated – Corrosion-resistant, bright finish
4. Dacromet Coated – Strong protection for outdoor use

Used widely in:

1. Mechanical transmission systems
2. Electric motors and gearboxes
3. Pumps and compressors
4. Steel structures and industrial machinery

Industries served

Machinery manufacturing, automotive, mining, shipbuilding, engineering, and energy equipment.

Company Profile

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.

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.

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.