ZLY Solid Carbide Spot Drill
ZLY spot drills can prevent deviation during drilling.
By breaking the smooth surface in advance and then using a drill for formal drilling, drilling accuracy can be ensured.
Therefore, ZLY spot drills can ensure smooth drilling operations.
- With more than 20 years of experience in carbide drill manufacturing and design.
- Our engineers are familiar with all machining processes and difficulties and difficulties.
- Suitable for machining any material.
Your Specialist for Carbide Spotting Drills
ZLY is committed to designing high-quality carbide drilling tools to improve efficiency and drilling accuracy, ensuring high hole surface quality.
Even with excellent performance, ZLY custom spotting drills remain competitively priced. Contact our design team now to obtain your custom design solution.
- 20 years of experience in the design and manufacture of non-standard spotting drills.
- We can customize drills to meet your specific 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 Spot Drill Size Range Available from ZLY
ZLY carbide spot drills can perform pre-drilling and chamfering operations. They ensure high accuracy during the main drilling process and protect the tips of expensive drills for long-term use.
This drill can be used on a variety of materials, such as aluminum alloys, copper alloys, steel, stainless steel, and titanium alloys.
Likewise, our spot drills have proven applications in industries such as medical device manufacturing, automotive manufacturing, and electronics manufacturing.
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Cutting Diameter |
1mm – 35mm |
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Cutting Length |
3mm – 250mm |
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Shank Diameter |
1mm – 32mm |
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Overall Length |
20mm – 330mm |
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Number of Flutes |
1 – 5 Flutes |
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Coating Services |
TiN, TiCN, TiAIN, ALTiN, DLC, etc. |
Send Your Inquiry On ZLY Carbide Spot 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 Spot Drill Bits Order
The Ultimate FAQs Guide to Carbide Spot Drill
What is a spot drill？ What is its function?
Spot drill is a small diameter, large angle drill bit. Its main purpose is to create a precise reference point on the workpiece to prevent the main drill from drifting during machining, ensuring the hole starts in the correct position.
Why use a spotting drill? What are the benefits?
Improves drilling accuracy: Ensures the main drill does not drift due to uneven or unstable material surfaces.
Prevents tool damage: Effectively avoids wear or breakage of the main drill under unstable conditions.
Chamfering or deburring: Can also be temporarily used to remove burrs and create chamfers.
What should I pay attention to when using a spot drill?
The tip angle of the spot drill should be larger than that of the main drill.
What is the difference between a spotting drill and a center drill?
Spotting drill is only used to make a conical pit or chamfer.
Center drill can also be used to create a countersink, and its angle is smaller, making it more suitable for drilling a center locating hole.
What materials are spot drills suitable for?
Solid carbide spot drills are suitable for all metals. Whether it is aluminum, copper, steel, stainless steel, or hard plastics, they can achieve good machining results.
Can spot drills be used for deburring?
Yes, if you don’t have a chamfering or deburring mill, a spot drill can be used for temporary deburring.