U-Drills

We have been offering a top-notch selection of U Drills because of our committed professionals. They are made with excellent workmanship and under the supervision of skilled workers. These drills have been designed to let coolant flow along their whole length. They are tough and naturally resistant to chemicals. U Drills are produced using high-end standards to increase their speed and stability. They are consistently and flawlessly carrying out the drilling functions.

Special U-Drills

Price: 5000 INR /Piece

  • Coating Titanium Nitride (TiN), AlTiN on request
  • Coating Type TiN or Customized
  • Cutter Type Indexable Insert Cutter
  • Cutting Accuracy High Precision
  • Cutting Capacity Suitable for deep hole and high-speed drilling
  • Cutting Force High
  • Cutting Speed 350 m/min (Material dependent)
  • Delivery Time 10 Days
  • Diameter Available from 14 mm to 50 mm
  • Drill Bits Types Special U-Drills
  • Features Replaceable inserts, High flute efficiency, Coolant-through
  • Hardness Up to 62 HRC
  • Length Standard and Long Series (up to 300 mm)
  • Machine Type CNC Drilling, Machining Centers
  • Main Domestic Market All India
  • Main Export Market(s) Western Europe, Australia, North America, Eastern Europe, Middle East, Central America, South America, Asia, Africa
  • Material Others, Carbide, High-Speed Steel (HSS)
  • Maximum Torque Adaptable up to 45 Nm
  • Minimum Order Quantity 2
  • Operate Method Automatic
  • Operation Type Other, Rotary Drilling
  • Payment Terms Telegraphic Transfer (T/T), Paypal
  • Price 5000 INR
  • Processing Type CNC Machining, Drilling
  • Shape Cylindrical with U-shaped cutting edge
  • Supply Ability 200 Per Week
  • Tool Type Specialized Drill Tool
  • Unit of Measure Piece/Pieces
  • Unit of Price Piece/Pieces


Reserve your spot among the heroic innovators utilizing our exquisite Special U-Drillsyour sought-after solution for rapid, high-precision production drilling. Grab the advantage of internal coolant provision, maximizing tool life while conquering cast iron, alloy steel, stainless steel, and aluminum. Each robust U-Drill features a cylindrical body with U-shaped edges, positive rake geometry, and a quick-change insert system, streamlining CNC operations. Order today to experience the exemplary finish (Ra 0.81.2 m), exceptional cutting force, and dependable accuracy engineered for automotive, aerospace, and heavy engineering sectors. Minimum order: just 1 piecepackaged with care!

Site Application, Features, and Direction of Use

Special U-Drills are perfect for high-speed, deep-hole drilling across automotive, aerospace, and heavy engineering sites. With straight or Morse taper shanks, automatic CNC operation, and efficient coolant-through design, these tools deliver consistently high precision. Their robust carbide or HSS bodies accommodate replaceable, multi-face insertsjust insert, secure, and begin rotary drilling. Ideal for CNC drilling centers, their versatility suits varying diameters and materials, ensuring reduced downtime and maximum productivity in demanding environments.


Certifications, Delivery, and Sample Policy

Every Special U-Drill is manufactured to stringent industry certifications, meeting both national and international standards. Stock is kept ready for prompt shipment, with typical handover and delivery times of 37 business days for most orders. Samples may be provided upon request, following our clear sample policy for evaluation and approval. Each product is individually sealed with an anti-corrosion layer, ensuring pristine condition upon arrival, whether for domestic supply or global exportation.


FAQs of Special U-Drills:


Q: How does the internal coolant provision benefit my drilling process?

A: The internal coolant holes in Special U-Drills enhance tool life and cutting efficiency by directing coolant precisely to the cutting area, reducing heat and minimizing wear during high-speed or deep drilling operations.

Q: What materials can be effectively drilled using these Special U-Drills?

A: These drills are designed for a wide range of materials including cast iron, alloy steel, stainless steel, and aluminum, making them versatile for various industry applications.

Q: Where can Special U-Drills be applied for maximum efficiency?

A: Special U-Drills excel in automotive, aerospace, and heavy engineering sectors, especially in environments requiring rapid, precise, and high-volume CNC drilling operations.

Q: What is the process for replacing the inserts on these drills?

A: The quick-change insert system allows you to easily remove and replace worn inserts, reducing downtime and keeping production lines efficient without the need for special tools.

Q: When will my order for Special U-Drills be shipped?

A: Orders are typically shipped within 37 business days. Stock is maintained ready for immediate shipment, ensuring minimal delays from order to handover.

Q: How accurate are Special U-Drills in high-speed CNC machining centers?

A: These tools deliver high cutting accuracy and surface finishes (Ra 0.81.2 m), maintaining precision even at cutting speeds up to 350 m/min, depending on material and machining conditions.

Combination U-Drills

Price: 5000 INR /Piece

  • Coating TiN or TiAlN Coated
  • Coating Type PVD or CVD Multi-layer Coating
  • Cutter Type Indexable Insert Cutter
  • Cutting Accuracy 0.05 mm
  • Cutting Capacity Up to 5xD drilling depth
  • Cutting Force Optimized for low cutting force
  • Cutting Speed 80-150 m/min (depending on material)
  • Delivery Time 10 Days
  • Diameter 16 mm to 40 mm (standard range)
  • Drill Bits Types Indexable Insert U-Drill Bit
  • Features High Rigidity, Replaceable Insert, Multiple Operations in One Pass
  • Hardness HRC 45-55
  • Length 100 mm to 250 mm
  • Machine Type CNC Lathe / Machining Center
  • Main Domestic Market All India
  • Main Export Market(s) Western Europe, Australia, North America, South America, Eastern Europe, Middle East, Central America, Asia, Africa
  • Material Others, High-Speed Steel (HSS) or Carbide
  • Maximum Torque As per machine capability and drill size
  • Minimum Order Quantity 2
  • Operate Method CNC and Conventional Machining
  • Operation Type Other, Drilling and Boring Combined
  • Payment Terms Telegraphic Transfer (T/T), Paypal, Others
  • Price 5000 INR
  • Processing Type Through Hole and Blind Hole Drilling
  • Shape Cylindrical with Combination Flute Geometry
  • Supply Ability 200 Per Week
  • Tool Type Combination U-Drill
  • Unit of Measure Piece/Pieces
  • Unit of Price Piece/Pieces

Owing to devoted experts, we have been providing an excellent range of U Drills. These are manufacture with a great execution and observation of talented members. These drills are formed to allow coolant to convey through its entire length. These are durable and chemical resistance in nature. U Drills are made with a premium quality of standards to enhance its speed and stability. These are continuously performing in the drilling functions without nay error.



Versatile Performance for Multiple Applications

Designed to tackle a diverse range of materialsincluding steel, cast iron, stainless steels, and non-ferrous alloysthese Combination U-Drills deliver consistent results in both through and blind hole drilling. Suitable for CNC lathes and machining centers, they combine drilling and boring in a single pass, increasing productivity and ensuring superior surface finish. Their robust construction and premium carbide inserts enable effective machining in demanding environments.


Engineered for Precision and Efficiency

With cutting accuracy up to 0.05 mm and internal coolant holes, these U-Drills provide stable, low-force cutting and optimal chip control. Hardened to HRC 45-55 and coated with advanced PVD or CVD multi-layer coatings, each tool offers extended life and corrosion resistance. Insert changes are simple, further reducing downtime and maintenance, while regrinding service is available for continued accuracy and performance.

FAQs of Combination U-Drills:


Q: How should Combination U-Drills be maintained to ensure optimal performance?

A: Regular maintenance involves changing the carbide inserts as needed and ensuring the coolant supply is clean and functional. The drills have low maintenance needs beyond these steps, and professional regrinding service is available upon request to restore tool geometry and performance.

Q: What are the main benefits of using a Combination U-Drill with internal coolant holes?

A: Internal coolant supply improves chip evacuation, reduces heat build-up, and helps maintain stable surface finish and dimensional accuracy, even in deep drilling operations up to 5x the drill diameter. This feature is critical for efficient, high-speed machining.

Q: When should the inserts be replaced on these U-Drills?

A: Insert replacement should occur when signs of wear appear, such as decreased cutting performance, poor surface finish, or increased tool pressure. Regular inspection after each cycle will help optimize tool life and maintain cutting accuracy.

Q: Where can these U-Drills be used, and what standards do they meet?

A: Combination U-Drills are compatible with a wide array of CNC lathes and machining centers and meet both ISO and DIN standards. They are suitable for manufacturing environments requiring high accuracy and repeatability in steel, cast iron, stainless steels, and non-ferrous materials.

Q: What is the typical process for using a Combination U-Drill in machining operations?

A: To use the drill, install it in the machine spindle with either a straight or Morse taper shank, ensure coolant supply is active, and select proper cutting parameters according to material type and diameter. The drill can perform both drilling and boring in one pass, maximizing efficiency in production setups.

Q: What is the range of drilling depths and diameters these drills cover?

A: Standard Combination U-Drills are available in diameters ranging from 16 mm to 40 mm and can drill up to 5 times their diameter in depth, making them suitable for a broad variety of hole-making applications.

Q: How do these drills contribute to productivity in CNC and conventional machining?

A: Their capability to perform multiple operations in one pass, rapid insert replacement, and high rigidity design significantly reduce cycle times and tool changes, enhancing overall productivity on both CNC and conventional machines.

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