ZLY Solid Carbide Thread Mill Cutter
- Custom Threaded end mill
- Designed in accordance with the ISO 9001:2015 quality management system
- Low MOQ from 3 PC to support your business

ZLY Custom Solid Carbide Thread Cutters for Your Project
ZLY Cutting Tools has more than 19 years of experience in the design of non-standard thread milling cutters and strictly follows quality control (QC) standards. All ZLY non-standard thread mills are manufactured in accordance with the ISO 9001 quality management system certification.
ZLY non-standard thread mills are made of solid carbide and are widely used due to their wear resistance, high-temperature resistance, high precision, and long service life. In addition, ZLY cooperates with Oerlikon to provide high-quality coatings to support your machining applications.
- Over 19 years of non-standard thread mill manufacturing experience
- We can provide various types of tools
- Highly competitive pricing and short lead times
- 24/7 online support to assist your business development
ZLY Can Custom Thread End Mill Size
Over the years, ZLY Cutting Tools has continuously invested in the research and development of more stable, durable, and higher-precision thread milling cutters, covering both standard and custom thread tools. We invest in high-quality materials and machining equipment to ensure sufficient production capacity at all times.
With ZLY’s engineering and design expertise, we offer multiple thread mill design options for your selection. We are committed to reducing your tooling costs at every stage while helping you maintain market competitiveness.
Below is our machining range.
|
Cutting Diameter |
0.5 mm – 35mm |
|
Cutting Length |
0.2mm – 200mm |
|
Shank Diameter |
1mm – 32mm |
|
Overall Length |
20mm – 330mm |
|
Number of Flute |
1 Flute – 6 Flute |
|
Helix Angle |
15° – 75° |
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Coating Services |
TiN, TiCN, TiAIN, ALTiN, DLC, etc. |
Send Your Inquiry on ZLY Threaded Mills
Our excellent design and manufacturing capabilities allow us to design any thread mill you need to support both internal and external thread machining.
Additional Services
Beyond supplying high-quality carbide thread milling cutter, we also offer the following services:
- Competitive pricing
- Free tool design based on your workpiece drawings
- Free dimensional inspection based on your tool samples
- Laser marking according to your requirements
- Free local delivery within Thailand
Recent Walk in Thread End Mill Order
ZLY: Your preferred solid carbide thread tool manufacturer
No matter which type of thread mill you need, ZLY can provide a design solution to meet your requirements.
For both internal and external threads, ZLY-manufactured thread mills deliver excellent machining quality.
Our thread mills are available in a wide range of styles, including full-form thread mills, drill thread mills, tri-form thread mills, single-point thread mills, ACME single-point thread mills, and more.
The Ultimate FAQ Guide for Thread Milling Cutters
What material are ZLY thread mills made of? Why are these materials chosen?
ZLY thread mills are all made from solid carbide. We use well-known carbide brands such as Guhring.
High-quality materials are the foundation of thread mills, ensuring tool stability and durability during operation.
What are the advantages of thread milling compared with tapping?
Thread milling and tapping each have their own advantages and disadvantages. The differences can be explained as follows:
Tool material: Thread mills are made of solid carbide, while taps are typically made of high-speed steel. This allows thread mills to machine harder materials than taps.
Machining method: Taps are generally used to machine holes smaller than the thread diameter and form threads by extrusion, which carries a risk of breakage and may result in poor surface quality. Thread mills cut the thread by machining, providing higher accuracy and better surface quality than traditional tapping.
Which materials are suitable for solid carbide thread mills?
Solid carbide thread mills can handle all machining scenarios. They are highly effective for aluminum alloys, copper alloys, cast iron, carbon steel, high-hardness steel, stainless steel, titanium alloys, and more.
How do I design a thread milling tool suitable for my needs?
At ZLY, this is simple. You can contact us via our online form or email us at info@zlycuttingtools.com with your design requirements. Our engineers will visualize your idea and provide a complete thread mill design solution within one day.
Why do thread mills have full-profile, three-tooth, and single-tooth designs? Do they have different applications?
Yes, thread mills are designed with different numbers of teeth to suit various applications:
- Full-profile thread mill: Typically used on machines with good rigidity to process large batches of threaded parts, reducing cycle time.
- Three-tooth thread mill: Offers high efficiency while requiring less machine rigidity.
- Single-tooth thread mill: Suitable for all types of machines, allowing precise pitch control through programming, offering greater flexibility.
Which coating should I choose?
It depends on the workpiece material you are machining.
For softer metals like copper or aluminum alloys, use no coating, DLC, or nano coating.
For harder metals, we recommend TiAlN or AlTiN coatings.
You can refer to our article on coatings to choose the appropriate coating.
What are the common reasons for poor thread milling accuracy?
There are several possibilities, such as insufficient clamping, excessive tool overhang, or cutting speed being too high. You can consider reclamping the tool or performing multiple cutting passes.
How to solve tool vibration during machining?
You need to check the tool overhang, reduce the cutting feed rate, or verify whether the workpiece is properly clamped.
How to determine if a thread mill is worn and needs replacement?
Check the tool for built-up material, damage, or use a thread gauge to inspect the fit accuracy.


















