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Twist Drill

Your Leading Twist Drill Supplier

Jiangsu NAIPU TOOLS company was founded in may, 2005, a private export-oriented scale manufacturing enterprise and stock company in Jiangsu province. NAIPU specializes in manufacturing all types of hss twist drill brts and related products. Twist drills are the most widely used of all drill bit types; they will cut anything from wood and plastic to steel and concrete. A twist drill is primarily used for drilling holes in a wide variety of materials including wood, plastic. They are most frequently used for metal cutting, so they are generally made from M2 high-speed steel.

Why Choose Us?

Professional Service

Jiangsu NAIPU TOOLS company provides excellent service and offers a minimum order quantity, which can perfectly meet customers' trial order requirements.

Advanced Equipment

We own advanced equipment, including Automatic machine for processing split point of drills, Automatic machine for processing edge ground of drill, Welding machine for taper shank drills, Rolling & Forging machine for drills and Featly and clean production line.

Wide Product Range

Naipu Tools Company manufactures high-quality products, such as HSS straight twist drill bit, HSS taper shank drill, 1/2" s&d drill, masonry drill, working drill and combination drill and related products.

Complete Qualifications

We hold the ISO9001 certification and have obtained both the SGS test report and SGS certification, thereby ensuring the superior quality of our products.

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Introduction to Twist Drill

The twist drill is the most common tool used for creating a hole. By rotation and pressure, the drill bit cuts the workpiece while the helical grooves help to pull the chips out of the hole. It is usually made of high speed steel or cemented carbide.

Specifications of Twist Drill

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Functions of Twist Drill

Roll Forged Straight Shank Twist Drill

Versatility

Twist drill bits are highly versatile and can be used to drill holes in a wide range of materials, including wood, metal, plastic, masonry, and more. This versatility makes them suitable for various applications and industries.
Ease of Use

Twist drill bits are relatively easy to use, making them accessible for DIY enthusiasts, hobbyists, and professionals alike. They can be used with handheld drills, drill presses, and other powered tools.
Standardization

Drill bit sizes and shapes are standardized, allowing for easy replacement and interchangeability. This ensures consistency and precision across different projects.
Choice of Materials

Twist drill bits are available in various materials, including high-speed steel (HSS), cobalt steel, and carbide. Users can select the appropriate material based on the material they are drilling and the desired performance characteristics.

Requirements for Using Twist Drill

Clamp the object you want to drill to a stable surface and use a spare piece of plywood underneath to support the portion you are drilling.

Determine the exact location of the hole in the stainless steel. You can use a pilot hole to guide the maid drill to the hole.

Apply the proper speed and pressure depending on the material you are drilling.

While drilling, apply a lubricant to remove unwanted debris and reduce heat, especially when drilling deeper holes.

During the drilling process, apply little but firm pressure to the drill.

Drill manufacturers recommend slowing the feed rate before the drill point breaks through the material to reduce heat.

Pause or slow down to re-lubricate the drill to prevent it from overheating.

Usage of Twist Drill

Aerospace & aircraft industry

Twist drills comply with national aerospace standards and are made from high quality steel. They are available for use in fixture and portable drilling, and both aircraft assembly plants and maintenance facilities rely on their resilient and cost effective design.

Automotive industry

From automobile manufactures to repair and equipment shops, twist drills play a major role in the automotive industry. In addition to standard jobber drills, solid carbide taps are frequently used in the automotive industry. These taps consist of ultra-fine-grain carbide along with a cobalt binder, allowing for high shear cutting edges to thread hard metals.

Machine shops

Machine shops have varied needs that change based on the products they produce. For this reason, many businesses require customized solutions to meet their needs.

Packaging

1. 170pcs in one carry box

2. Suitable quantity to an export carton

3. No other packing accessories in regular

4. Customer required packing is available

5. DIN338 or jobber imperial twist drill bits

6. Available in HSS-Co, HSS

7. Can supply different surface coating

8. High quality with long life

13/19/25pcs Straight Shank Twist Drill with Iron Box

FAQ

Q: Are you trading company or manufacturer?

A: We are profession in twist drills production. We sell our own goods with our clients directly.

Q: May I know what's the nearest airport from your company?

A: In case I visit your company. First Nanjing Airport, then Shanghai airport, welcome to visit us.

Q: Do you provide sample? Free?

A: If the value of sample is low , we will provide the free sample with freight collect. But for some samples is expensive and need customization, we have to collect the charge for sample.

Q: Can you do OEM and ODM?

A: Yes, We accept OEM. The material, color, style can be customized,when we finish discuss,we will advise the basic details.

Q: When can I get the quotation?

A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us so that we will regard your inquiry priority.

Q: How can I get a sample to check your quality?

A: After price confirmation, you can require for samples to check our quality. But may need some sample cost which will be back to you once the order confirmed.

Q: How do I choose the right drills?

A: The diameter and depth of the hole.
The material to be drilled.
The power of the drills.
The battery voltage.

Q: What are the advantages of twist drill?

A: Less power is required to drill the same depth and diameter of twist drill than other types of drills. Heavy feeds and speeds can be used within safe limits, thus saving a lot of time. Good tool life, a twist drill can be used for a long time without frequent resharpening.

Q: What are twist drills used to drill holes in?

A: Twist drills are versatile and suitable for drilling smaller holes in a wide range of materials, including metal, wood, plastic, and more. They are commonly used in DIY projects, general maintenance, and light manufacturing.

Q: Can twist drills be sharpened with a file?

A: Yes, a twist drill can be sharpened with a file, though it is more efficient to use a proper sharpening tool like a grinding wheel. To sharpen with a file, focus on maintaining the original angle of the cutting edges. Precision is key to avoid damaging the drill bit.

Q: What is the tip angle of twist drill?

A: Most twist drills have a point angle of 118 degrees. Ninety degrees are used for hard plastics subject to wear, 130 degrees for soft and tough materials and 140 degrees for long-chipping light metals.

We're professional twist drill manufacturers and suppliers in China. Please feel free to wholesale high quality twist drill for sale here from our factory. For more discount information, contact us now.

12pcs Wooden Box 1 2 Shank Sliver And Deming Drill Set, 13 19 25pcs Straight Shank Twist Drill With Iron Box, Milled HSS Morse Taper Shank Drill

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