Fluteless Threading Tap HSS

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Fluteless Threading Tap HSS Specification

Shape
Cylindrical

Tool Type
Fluteless Threading Tap

Hardness
HRC 6265

Coating Type
None / Special coatings available

Features
Chipless threading, high accuracy, durable, ideal for blind holes

Material
High Speed Steel (HSS)

Cutting Speed
High, up to 30 m/min (in suitable materials)

Length
Overall length 50 mm to 120 mm

Cutting Capacity
Suitable for non-ferrous and soft materials, particularly aluminum and zinc alloys

Machine Type
Tapping Machine, CNC, Drill Press

Operate Method
Machine or hand operation

Cutter Type
Thread Forming

Coating
Uncoated / Can be TiN coated

Operation Type
Threading

Cutting Accuracy
ISO Standard tolerance

Cutting Force
Low, designed for thread forming without cutting

Diameter
2 mm to 20 mm (varies per model)

Maximum Torque
Depends on tap size and material, typically up to 50 Nm

Processing Type
Thread Forming

About Fluteless Threading Tap HSS

Fluteless Threading Tap HSS

FLUTELESS Otherwise known as Roll, Forming or Polygon taps. Used for the chipless production of threads in ductile materials such as copper, aluminium or soft brass. As the name implies they do not have flutes but lobes, which contact the work piece to form the thread by extrusion. They are operated at high speeds and are better at maintaining size. As long as all of the correct operating criteria are met, i.e. speed, hole size and lubrication, they have a longer life and less breakages than with other types of machine taps. Because they produce no chips they are very suitable for blind hole tapping. Fluteless taps require different tapping drill sizes and higher operating speeds than conventional taps, see later. They also produce stronger threads. All sizes and varieties available with us.

Optimal Performance in Soft Metals

Engineered for thread forming in non-ferrous and soft materials like aluminum and zinc alloys, the Fluteless Threading Tap HSS ensures low cutting forces and precise threading. Its chipless operation makes it ideal for materials prone to clogging, resulting in cleaner threads and reduced downtime due to chip removal.

Versatile Application Platform

Compatible with most tapping machines, CNC systems, and drill presses, this threading tap is suitable for both machining operations and manual processes. Standard and customizable blade sizes support various thread pitches and tolerances, offering adaptability for unique project requirements and broad industry use.

Durable Construction and High Accuracy

Manufactured from robust high-speed steel with a hardness of HRC 6265, this tap guarantees resilience against wear and extended tool life. Its zero rake and zero helix angles, along with a forming tip design, provide high-speed operation (up to 30 m/min) and maintain ISO-standard thread accuracy across both blind and through holes.

FAQs of Fluteless Threading Tap HSS:

Q: How does the fluteless threading tap work during the thread forming process?

A: The fluteless threading tap operates by deforming the material to create threads, rather than cutting them. Its chipless, forming tip design ensures that the material is pressed and shaped into the thread profile, ideal for soft metals like aluminum or brass, resulting in clean, accurate threads without chip buildup.

Q: What types of holes can this tap be used in?

A: This tap is suitable for both blind and through holes. Its design allows effective thread forming deep into the material without the risk of chip accumulation, making it particularly advantageous when working with closed-end (blind) holes as well as open-ended (through) ones.

Q: When is cutting oil recommended for use with this tap?

A: Cutting oil is recommended during all thread forming operations with the fluteless tap. Proper lubrication reduces friction, lowers the required torque, enhances tool life, and ensures smooth thread quality, especially when working with soft or non-ferrous metals.

Q: Where can the fluteless threading tap be used?

A: The fluteless threading tap can be employed in a variety of machining platforms, such as tapping machines, CNC systems, and drill presses. Its compatibility with both manual and automated equipment ensures flexibility across different industrial setups and applications.

Q: What are the main benefits of using a fluteless threading tap?

A: The key benefits include chipless operation for cleaner threads, high dimensional accuracy, extended tool life due to reduced friction, and suitability for high-speed thread forming in soft alloys. This improves efficiency and reduces maintenance associated with chip removal.

Q: Which thread standards and pitch options are available?

A: The tap supports Metric, UNC, UNF, BSP thread standards, as well as custom specifications. Users can select from standard to fine thread pitches according to their project requirements, making the tool adaptable to a wide range of threading tasks.

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