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Widia SNMG250724 TN4000
The SNMG250724 TN4000 Carbide Insert is a heavy-duty square turning insert designed for stable and high-productivity CNC machining. With its strong negative geometry and durable carbide grade, it delivers excellent wear resistance, reliable chip control, and longer tool life in demanding steel machining applications. Ideal for roughing and general turning operations where productivity and cost-efficiency are critical.
Looking for a durable turning insert that delivers longer tool life and consistent performance?
The SNMG250724 TN4000 carbide insert is engineered for high-performance CNC turning operations, especially when machining steel and similar materials. Its square 90° design and strong negative geometry provide exceptional edge strength, making it ideal for heavy cutting conditions and roughing applications
Hook / Attention Line
Cut More Parts Per Edge! The SNMG250724 TN4000 insert delivers strong cutting performance and longer tool life for heavy CNC turning.
Key Features & Specs
Insert Geometry
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ISO Designation: SNMG250724
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Shape: Square insert with 90° included angle
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Negative geometry for stronger cutting edges
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Neutral hand design for versatile use
Dimensions
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Inscribed Circle: ~25.4 mm
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Thickness: ~7.9 mm
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Corner Radius: ~2.4 mm
Grade & Coating
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Grade: TN4000 carbide
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Surface Treatment: CVD-TiN coated
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Designed for durability and wear resistance in steel machining
Cutting Applications
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External turning
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Roughing operations
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General steel machining
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CNC lathe operations
Why It’s a Best Seller
✔ Longer Tool Life
The durable carbide grade and coating help resist wear during high-load cutting.
✔ Strong Cutting Edge
Negative geometry provides superior edge strength for roughing and heavy cuts.
✔ Improved Productivity
Stable machining allows higher cutting parameters and fewer insert changes.
✔ Lower Cost per Component
Less downtime and longer tool life help reduce overall machining cost.
✔ Reliable Performance in Steel
Designed to deliver consistent results in demanding production environments.
🏭 Application Industries
The SNMG250724 TN4000 insert is widely used across industries such as:
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Automotive component manufacturing
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Aerospace machining
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Heavy engineering
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Oil & gas components
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Die & mold manufacturing
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General CNC machining workshops
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Frequently Asked Questions
The SNMG250724 TN4000 insert is mainly used for CNC turning operations, especially roughing and general machining of steel components.
SNMG indicates the insert shape and geometry:
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S – Square insert
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N – 0° relief angle (negative insert)
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M – Tolerance class
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G – Double-sided insert with hole and chipbreaker.
The TN4000 grade is primarily designed for steel machining, but it can also be used in certain general machining and cast iron applications depending on cutting parameters.
Square inserts provide:
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8 usable cutting edges
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Strong cutting geometry
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Excellent stability during heavy cutting operations.
You can buy genuine inserts from CNC Tools Depot. Contact us via WhatsApp, call, or DM to check stock availability, pricing, and bulk order discounts.
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