Description
Product Overview
The Assort Machine Tools 4-inch (100 mm) diameter fly cutter is engineered for efficient and precise metal facing operations on milling machines and lathes. Constructed from hardened tool steel with a ground finish, this tool ensures durability and accuracy. It features a detachable two-piece body comprising the head and shank, enhancing rigidity during high-speed machining. The included indexable TNMG16 carbide insert offers long-lasting cutting performance and is easily replaceable, minimizing downtime. With a Morse Taper shank (available in 3MT, 2MT, and R8 Shank variants), it provides a secure fit in spindles, reducing slippage and vibration. Weighing 2.2 pounds and measuring 6.65 x 5.71 x 2.17 inches, it is compact yet powerful, suitable for professional and hobbyist workshops.

Usage
This fly cutter is ideal for metal facing, surfacing, and planar machining on milling machines and lathes in environments such as machine shops, manufacturing facilities, and home workshops. It is designed for machinists, metalworkers, and DIY enthusiasts who require smooth, fine finishes on materials like steel, aluminum, and alloys. Common applications include flattening surfaces, creating precise grooves, and finishing large metal components, making it essential for projects that demand high accuracy and efficiency.
Why Choose Us
Assort Machine Tools prioritizes quality and reliability, with this fly cutter featuring a hardened and ground Morse Taper shank for superior spindle fit and reduced vibration. The use of tool steel in the body ensures strength and longevity, while the indexable carbide insert system lowers tooling costs by allowing tip replacements instead of full tool changes. Backed by positive customer reviews and a 5.0-star rating, this product delivers consistent performance, making it a trusted choice for demanding metalworking tasks.
Key Features
- Large 4-inch diameter for wide metal facing and surfacing operations
- Indexable TNMG16 carbide insert for durable cutting and easy replacement
- Morse Taper shank options (3MT, 2MT, R8) for secure spindle mounting
- Detachable two-piece tool steel body enhancing rigidity and reducing vibration
- Pre-fitted 1/2-inch square shank tool holder for quick setup and use
FAQ
What materials can this fly cutter handle?
It is suitable for various metals, including steel, aluminum, and alloys, providing smooth finishes in facing and planar operations.
Is the carbide insert included?
Yes, the package includes one TNMG16 carbide insert pre-fitted in the tool holder for immediate use.
What shank types are available?
This product comes in Morse Taper 3MT, 2MT, and R8 Shank variants to fit different milling machine spindles.
How do I replace the carbide insert?
Simply loosen the securing mechanism on the tool holder, swap the insert, and tighten it back for continued use.
Is it compatible with lathes?
Yes, it can be used on lathes for facing operations, provided the shank matches the machine’s spindle type.





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