Solid Carbide Center Drill Bit
Compliant with ISO 9001 quality standards.
Customizable carbide flat drills in any size.
Single-end & double-end designs.
MOQ only 3 pieces to support your business development.
Custom Carbide Center Drills for Your Project
We have an engineering support team of over 15 experts who will work closely with you to find the best solution for your application.
We believe that with continuously developed design and manufacturing experience and capabilities over the past 20 years, we are qualified not only to be your supplier, but also to become your partner in commercial or industrial applications.
- 20 years of experience in the design and manufacture of non-standard carbide cutting tools.
- Center drills customized according to your application requirements.
- Reliable quality and stable performance.
- All ZLY carbide cutting tools are manufactured in accordance with ISO 9001 standards, dedicated to providing high-quality tools for your project.
Custom Center Drill Size Range Available from ZLY
ZLY’s strong manufacturing capability can meet all machining applications that require solid carbide cutting tools. Our CNC drilling tools are best for machining metals such as aluminum, copper, steel, stainless steel, titanium alloys, and hard metals. Below is the size range of center drill we can produce.
|
Cutting Diameter |
0.2mm – 35mm |
|
Cutting Length |
0.2mm – 250mm |
|
Shank Diameter |
1mm – 32mm |
|
Overall Length |
20mm – 330mm |
|
Coating Services |
TiN, TiCN, TiAIN, ALTiN, DLC, etc. |
Send Your Inquiry On ZLY Carbide Center Drill Bits
Additional Services
Beyond supplying high-quality cutting tools, 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 Center Drill Bits Order
The Ultimate Guide to Choosing the Best Center Drill
Center drill is a commonly used cutting tool. It consists of a small-diameter pilot tip and a larger-diameter chamfered section.
It is mainly used in turning operations to drill a center hole at the end of a workpiece for positioning and support, used together with a lathe center to clamp the workpiece.
In addition, center drill can also be used as a pre-drilling tool before formal drilling to prevent drill wandering and to provide accurate positioning.
What is a center drill used for?
Center drill is a special type of drill used to create a conical hole at a designated position on a workpiece as a reference. This hole provides guidance for subsequent drills or reamers, or is used in conjunction with a lathe center for positioning and support.
Why is a center drill needed?
Based on our experience, when using large-diameter drills for machining, eccentricity may occur. Using a center drill for pre-drilling can provide accurate positioning and guiding.
In addition, when machining on a lathe, if the workpiece extends too far outward, it may vibrate during turning, affecting accuracy and creating safety risks.
In this case, you need to use a center drill to create a conical hole at the end of the workpiece and clamp it with a live or dead center, which can reduce operational risk and improve machining accuracy.
What machines are center drills used on?
They are mainly used on drilling machines, CNC machining centers, and lathes.
What is the difference between a center drill and a spot drill?
Center drills and spot drills overlap to some extent in their machining functions, as both can be used for positioning before formal drilling.
The difference is that a center drill can be used not only for positioning but also for machining countersinks (center holes).
Spot drill is only used to break the surface and create a conical indentation to guide the drill bit.
What surface treatment is used for center drills?
Depending on the material you are machining, we apply different coatings to center drills.
For softer metals such as copper and aluminum alloys, we usually use no coating or apply a DLC coating.
If you are machining stainless steel, hardened steel, titanium alloys, or similar materials, we recommend using composite coatings such as AlTiN.