Specialized Custom Fastener Manufacturer
- Custom Factory & Wholesale Price
- Free Samples & Fast Delivery
- Low MOQ & MRO Services
With more than 15 years of experience in professional fasteners industry, all of our team members have more than 20 years of industry experience.
We have 30 sets of production equipment, including CNC lathe machines, automatic machines, and other high-grade production facilities.
Partnering with giants like Midea and ZF, we understand diverse market needs and offer custom products with stable quality for clients.
You will receive the most suitable solution for custom fasteners, supported by a team that you can trust.
The Real Manufacturing Process Of Custom Fasteners
Our skillful processing techniques and serious quality control measures provide your business with standout products in diversified application fields.
Collaborate with us for dependable, high-quality custom
fasteners solutions that enhance your product lineup and fulfill your business needs.
Custom bolts and Nuts Start Here
From non-standard bolts to custom fasteners, from micro precision parts to extra-long structures — We customize all sorts of bolts and nuts according to your design.
Custom-made from drawings or samples — turning your design into reality.
Fully Customizable
Custom Screws for Your Projects
- Material: Copper / Iron / Aluminum / Stainless Steel / Titanium
- Surface Treatment: Anodizing / Polishing / Zinc / Black Oxide / Phosphating / Passivation
- Screw Types: Titanium Screws/ Long Screws / Shoulder Screws / Small Screws / Self-Tapping Screws / Copper Screws / Aluminum Screws
custom CNC Machining Parts
We could process various models of fasteners with different materials, including carbon steel, stainless steel, copper and aluminum, etc.
MRO Services
We partner with you to bring innovative solutions that help you capture time, eliminate waste, and free up resources.
Supply Solutions
We offer a suite of service models and technology solutions to bring efficiency, visibility, and control to your supply chain.
Manufacturing Services
Engineered solutions to meet your unique needs — from complex machined parts to high-volume production fasteners.
Industrial Services
Helping you get the most out of your equipment in terms of performance, safety, accuracy, and lifetime value.
Fix the problems of customization
Unstable quality and long delivery time ? We can provide you with perfect answers to problems that your supplier cannot solve.
Many years of experience in custom fasteners fields, we know how to solve the pain point of the machining process.
Make your design drawings into useful samples and products quickly, save your valuable time and energy.
From communication to order confirmation, production and after-sales, our professional team can support you anytime.
Advanced testing equipment ensures that each customized product meets customers' unique requirements and expectation.
Reliable Quality Control System
Go/No-Go Gauge
A measuring tool used to verify whether a fastener thread meets standard dimensions. The “Go” gauge checks if the thread is within tolerance, while the “No-Go” gauge ensures it is not oversized or undersized.
Hardness Test
Used to measure the material hardness of fasteners, evaluating strength and wear resistance to ensure compliance with design and application standards
Spectrum Test
Uses spectral analysis to determine the chemical composition of fastener materials, ensuring they meet standards and customer specifications.
Plating Test
Used to measure the thickness, adhesion, and uniformity of the fastener’s surface coating to ensure the plating meets quality standards.
Fatigue Test
Used to evaluate the durability of fasteners under repeated loading or long-term stress, testing their fatigue strength and service life.
Salt Spray Test
Simulates salt spray environments to evaluate the corrosion resistance of fastener surfaces and the durability of their coatings.
Our Factory's Machines
Thread Rolling Machine
High-efficiency thread rolling machine — for stronger and more precise threads.
Single-die Machine
Precision single-die machine — built for efficient standard fasteners production.
Multi-Station Machine
Multi-station machine — made for complex and custom fasteners.
Polishing Machine
An automated device used to improve the surface smoothness and appearance of fasteners.
Salt Spray Testing Machine
A laboratory device used to evaluate the corrosion resistance of metals and coatings.
Brinell Hardness Tester
A Brinell hardness tester for fasteners measures the hardness of materials to ensure strength and durability.
Quality Assurance
How to customize your parts?
Step 1. Inquiry
Send your drawings to us firstly, and check all technical details with our engineer team.
Step 2. Sample Production
Confirm a sample order and arrange sample making. We will deliver the sample by courier within several days.
Step 3. Bulk Order
After testing the sample, if it is ok, we will sign a contract for bulk order, then arranging shipment after completion of production.
Got An Idea In Mind?
Partner with us to gain a competitive edge in your local market!
About Us
HK TONGLIN INTERNATIONAL LIMITED was established in 2011, specializing in processing of fasteners and CNC turning parts business, which has own processing factory located in Zhongshan City, Guangdong Province, China.
Since its establishment, our company has been focusing on fasteners, metal processing parts, stamping parts, forging and casting parts, etc. The monthly production capacity exceeds 5 million units, continually to provide fastening solutions to customers worldwide, such as non-standard screws, bolts, nuts, washers, thread rods and studs, as well as custom CNC machining parts.
Our products have been widly used in home appliance, furniture, mechanical equipment, electronics, construction, recreational facilities, medical devices, auto parts, aero industry etc. The products were exported to Europe, Africa, Middle East, Asia and other areas.
Our vision is to offer quality products and the most suitable solution to customers at a reasonable cost. Finally become a long-term partner of clients.
Authoritative certification
From raw material sourcing to finished product delivery, every stage is under strict quality control.
These certifications are not only a testament to our technical capability, but also a firm commitment to providing you with stable, reliable, and high-standard fastening solutions.
Real feedback
What our clients are saying.
A Customer in Africa
A Client in Middle East
A Customer in Asia
A Client in Europe
Most Popular Questions.
We have flexible MOQ, it may be from dozens to hundreds according to client’s practical needs.
FOB, CFR, CNF, CIF and DDP are the main delivery terms.
Small order (less than USD 3000): Bank card, credit card and other electronic wallet are suggested. Bulk order: 30% T/T as deposit, the balance to be paid before shipment.
For common custom parts, it will take 3 -7 days. For OEM products, it will take 7-15 days which depends on actual specification and quantity.
Get Free Sample Now !
We offer 24/7 consulting services and free sample making.
Try our fasteners samples. See the quality for yourself and let’s start our collaboration right now.
Feel free to ask any questions to us
- +86 135 2584 5160
- Mon - Fri: 9:00am - 6:00pm
- Zhongshan, Guangdong, China
