3.8-4mm Carbide Twist Drill Bits for CNC Machines with External Coolant for Steel, Stainless Steel & Cast Iron

• Customization: Available
• Logo Printing: Without Logo Printing
• Size: Small
• Model NO.: D4*24*L66*SD4
• Customized: OEM Optional
• Type: Cutting Tool
• Material: Carbide
• Certification: ISO 9001:2008
• Coating: Yes
• Work Material: Carbon Steel, Alloy Steel, Cast Iron, Copper Alloy
• Diameter: 3-20mm
• Processing Stage: Medium Processing
• Achievable Hole Tolerance: It8-9
• Transport Package: Box+Carton
• Specification: small
• Trademark: Newcermets
• Origin: Zhuzhou China
• HS Code: 8208101100
• Production Capacity: 1200000/Year
• Package Size: 21.00cm * 11.00cm * 14.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Name:
3-20mm Diameter External Coolant Carbide Twist Drill Bits | Precision Drilling Tools for Steel, Cast Iron, Stainless Steel, Heat-Resistant Alloys & Titanium

Product Description:
These 3-20mm diameter external coolant carbide twist drill bits are engineered to deliver superior drilling performance in a variety of demanding materials. Designed with external coolant channels, these drill bits are perfect for high-precision drilling operations in steel, cast iron, stainless steel, heat-resistant alloys, and titanium alloys. Featuring a design that allows for optimal heat dissipation and chip removal, these twist drills ensure excellent tool life, smooth cutting, and high-quality hole finishes.

Ideal for use in CNC machines and other automated drilling systems, these carbide twist drill bits offer precision and reliability, even in the most challenging applications. Whether you're drilling P-class materials like steel, K-class materials like cast iron, M-class stainless steels, or S-class high-performance alloys, these drill bits maintain outstanding performance.

Key Features:

• External Coolant Channels: Built-in external coolant channels optimize chip removal and heat dissipation during drilling, improving tool life and performance.
• Versatile Material Compatibility: Ideal for machining a wide range of materials, including P-class steels, K-class cast iron, M-class stainless steel, and S-class heat-resistant alloys and titanium.
• Carbide Construction: Made from high-quality carbide, these drill bits offer exceptional durability and wear resistance, providing long-lasting performance in tough materials.
• Design for Improved Cutting Efficiency: The design enhances cutting performance by improving heat management and reducing the risk of tool wear during extended drilling operations.
• Precision Drilling: Designed for high-precision drilling, providing smooth and accurate holes with minimal burr formation.
• Multiple Applications: Perfect for CNC machining, manual drilling, and industrial applications across various industries, including automotive, aerospace, and heavy manufacturing.

Applications:

• Steel (P-Class): Excellent for drilling various types of steel, including carbon steel, alloy steel, and tool steel.
• Cast Iron (K-Class): Ideal for drilling in cast iron materials, providing clean holes with minimal wear.
• Stainless Steel (M-Class): Performs reliably in stainless steels and alloy steels, ensuring high precision and longevity.
• Heat-Resistant Alloys & Titanium (S-Class): Specifically designed to handle tough-to-machine materials like heat-resistant alloys and titanium, offering superior cutting efficiency and tool life.

Advantages:

• Efficient Heat Management: The external coolant channels effectively dissipate heat, ensuring stable cutting conditions and improving tool life.
• Longer Tool Life: Carbide material combined with the design and external cooling ensures that these drill bits withstand heavy-duty drilling operations with minimal wear.
• Superior Drilling Performance: Designed for precision and speed, these drill bits offer smooth cutting and consistent hole quality in a wide range of materials.
• Wide Material Compatibility: Perfect for drilling a diverse array of materials, including steel, cast iron, stainless steel, titanium, and heat-resistant alloys.
• Reliable and Durable: Built to last through extended use, providing excellent performance and reducing downtime due to tool replacement.

Specifications:

• Diameter Range: 3-20mm
• Design: twist drill bit with external coolant
• Material Compatibility: Suitable for steel, cast iron, stainless steel, heat-resistant alloys, and titanium alloys.
• Tool Material: High-quality carbide
• Applications: CNC drilling, precision machining, industrial manufacturing
• Coolant System: External coolant channels for improved chip removal and heat management

Packaging & Delivery:

• Available in single or bulk packaging for larger orders.
• Secure packaging to ensure protection during transit.
• Fast shipping options available for both domestic and international orders.

Why Choose This Product: Choose the 3-20mm external coolant carbide twist drill bits for reliable and efficient drilling performance in steel, cast iron, stainless steel, and heat-resistant alloys. With external coolant channels, these drill bits provide optimal heat dissipation, improving tool life and cutting efficiency. The design ensures superior chip removal and stable cutting conditions, even under heavy-duty operations. Whether you're working with tough materials like titanium or heat-resistant alloys, these drill bits offer consistent, precise results every time.

 

FAQ
1) Are you trading company or manufaturer?
Zhuzhou newcermets material co.,Ltd is an professional manufacturer specializing in the research and development, production and sales of cutting tools and cermet materials since 2018. We are located in Zhuzhou city , Hunan Province .,tungsten carbide base town of China.
 
2) When can I get the price?
We usually quote within 24 hours after we get your inquiry.If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
 
3) How long does the whole production being worked out?
According the required quantity,We have variety of items in stock .So some items can send in time .Our normal production handling time is about 15-20 days after we confirm the order.
 
4) How long can I expect to get the sample?
After you pay the sample charge and send us confirmed bank slip. the samples will be ready for delivery in 2-7 days. The samples will be sent to you via express and arrive in 3-7 workdays. You can use your own express account or prepay us if you do not have an account.
 
5) Is free samples possible ?Is free shipping possible?
If you only need few pieces to check our quality,We glad to provide you sample for free .We don't offer free shipping service. We can have a discount if you buy a large quantity products.
 
6) How about the OEM service?
Sent us your sample, CAD print or hand sketch, we design and program it on our CAM workstation and view it in real time 3D. Discuss and design the suitable geometry to meet customer's application. After confirm the Mold fee,Send over a image of the tool for final review and approval by customer before manufacture.before mass production,samples will be tested to confirm the quality.

Why Choose Us?

• Superior quality control for consistent performance.
• Designed for professionals seeking precision and efficiency in machining.
• Competitive pricing with bulk order discounts available.

Contact us today to place your order or inquire about custom specifications!