Specialized Fastener Manufacturer
Bolts | Nuts | Screws | CNC Machined Parts
- Custom Solutions・Bulk Pricing
- Free Samples・Prompt Delivery
- Low MOQ・OEM/ODM 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 operate dozens of production machines across our facilities, including CNC lathes, automated machines, and other advanced equipment.
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.
Bolts & Nuts - Complete Product Line
From standard bolts and nuts to custom fasteners, from micro precision parts to complex structures — We customize all sorts of bolts and nuts according to your requirements.
Bolts Types: Hex Bolts / Hex Socket Bolts / Flange Bolts / Stud Bolts / Anchor Bolts / Copper Bolts / U-Bolts / Eye Bolts / Threaded Rods
Nuts Types: Hex Nuts / Flange Nuts / Lock Nuts / Nylon Nuts / Dome Nuts / Y Nuts / Rivet Nuts and Special Models
Material: Carbon Steel / Stainless Steel / Alloy Steel / Copper / Iron
Fully Customizable
Premium Screws for Your Projects
- Material: Copper / Iron / Aluminum / Stainless Steel / Titanium
- Surface Treatment: Anodizing / Polishing / Zinc / Black Oxide / Phosphating / Passivation
- Screw Types: Cross-head Screws / Slotted Screws / Hex Socket Screws / Torx Screws / Self-tapping Screws / Countersunk Head Screws / Pan Head Screws / Wood Screws / Self-drilling Screws
Precision CNC machined parts
We could process various models of fasteners with different materials, including carbon steel, stainless steel, copper and aluminum, etc.
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.
The Real Manufacturing Process Of Industrial 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.
Professional Factory Equipment
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.
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.
Packaging and Shipment
The goods are packed in transparent plastic bags and sturdy cartons, and transported on special export wooden pallets. This packaging is suitable for land, sea and air transportation, ensuring the safe and timely delivery of goods to customers.
Quality Assurance
How to customize your fasteners?
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, branded as TONGLIN and also known as HKTL Fastener, specializes in fastener processing and CNC machined parts. The company has operated its own manufacturing facility in mainland China since 2011.
We supply fasteners, metal processing parts, stamping parts, forging and casting parts. With a monthly production capacity of over 5 million units, we deliver fastening solutions to customers worldwide, including non-standard screws, bolts, nuts, washers, threaded rods and studs.
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
Frequently Asked Questions
Q: What products can you customize?
A: We provide custom screws, bolts, nuts, washers, rivets, pins, CNC machined parts, etc. We support custom materials, dimensions and drawings.
Q: What is your minimum order quantity (MOQ)?
A: Low MOQ, negotiable for custom orders.
Q: Can I get fastener samples?
A: Samples are available. Samples are free of charge, but freight is borne by the buyer.
Q: Do you accept OEM & ODM for fasteners?
A: Yes, OEM and ODM services are supported. We can produce according to customer drawings, specifications or physical samples.
Q: What materials are available?
A: Carbon steel, stainless steel, alloy steel, brass, aluminum, etc.
Q: What surface treatments can you do?
A: Zinc‑plating, hot‑dip galvanizing, black oxide, passivation, nickel‑plating, etc.
Q: What is your production lead time?
A: Normally 7‑30 working days, depends on order quantity and customization complexity.
Q: What shipping options do you offer?
A: Sea freight, air freight and express delivery are available, based on customer requirements.
Get Free Sample Now !
We offer 24/7 consulting services and free samples.
Try our fastener samples. See the quality for yourself and let’s start our collaboration right now.
Feel free to ask any questions to us
- +86 136 2219 2628
- Mon - Fri: 9:00am - 6:00pm
-
Workshop 60, 3/F, Block A, East Sun
Industrial Centre No.16 Shing Yip
Street Kowloon Hong Kong
As a leading source factory, we deliver high-efficiency industrial fastener solutions designed to optimize performance, ensure durability, and improve your supply chain.
Products
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Contact
+86 13622192628
info@hktl-fastener.com
Workshop 60, 3/F, Block A, East Sun Industrial Centre No.16 Shing Yip Street Kowloon Hong Kong
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