TaeguTec VNMG160404MT TT9225 Carbide Turning Insert | 10 Pcs/Box
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TaeguTec VNMG160404MT TT9225 Inserts
Stainless Steel Turning & Profiling | TT9225 CVD Grade | Box of 10 Pcs
35-degree diamond inserts with a 0.4mm corner radius for turning and profiling
The TaeguTec VNMG160404MT TT9225 is a double-sided, negative 35° rhombic carbide turning insert with an MT chipbreaker and a 0.4mm nose radius. TaeguTec identifies TT9225 as a CVD-coated grade with TiCN–Al2O3–TiCN layers, combining wear resistance and fracture toughness for general machining of stainless steels in continuous and interrupted conditions. Its published ISO application ranges are M15–M30 and S15–S30. The slender diamond geometry supports contour access when used with a suitable holder. Explore our TaeguTec negative turning inserts for related tooling.
Core Engineering Advantages
TT9225 CVD-Coated Carbide
TiCN–Al2O3–TiCN coating layers, with a balance of wear resistance and fracture toughness for general stainless steel machining.
MT Chipbreaker
Match the MT geometry to the manufacturer's recommended feed and depth-of-cut window for the workpiece.
35° Profiling Geometry
A 35° diamond shape and 0.4mm nose radius for contour turning, subject to holder approach angle and clearance.
ISO Code Specification Breakdown
Technical Specifications & Dimensional Comparison
| Parameter | Metric (Standard) | Imperial Equivalent |
|---|---|---|
| ISO / ANSI Designation | VNMG 160404 MT | VNMG 331 MT |
| Inscribed Circle (IC) | 9.525 mm | 0.375" (3/8") |
| Thickness (S) | 4.76 mm | 0.1875" (3/16") |
| Corner Radius (RE) | 0.40 mm | 0.0157" (approx. 1/64") |
| Grade & Coating | TT9225 (CVD TiCN–Al2O3–TiCN) | CVD-Coated Carbide; M15–M30 / S15–S30 |
Selecting Cutting Parameters
Select cutting speed, feed and depth of cut from TaeguTec's TT9225 and MT recommendations for the exact workpiece material, hardness and setup. The previously listed numerical ranges have not been established as item-specific manufacturer recommendations and are not retained as universal settings. Grade-level speed tables do not define the chipbreaker's feed and depth window.
Tool Holders & Boring Bar Resources
Check the complete VNMG160404MT designation against the holder manufacturer's pocket size, clamping system, approach angle and clearance requirements. Related holder listings include the Beyond MVUNR2020K16 Right-Hand Turning Tool Holder, Beyond MVUNL2525M16 Left-Hand Turning Tool Holder, and Beyond MVQNR2525M16 Right-Hand Turning Tool Holder. These links do not replace a holder-specific compatibility check.
For internal profiling and bore machining, explore our rough and fine boring series, browse screw-on system boring bars, or read our engineering guide on how to choose the right boring bar and insert.
Industrial Applications
- Stainless Steel Turning: TT9225 is a general-machining grade for stainless steel in continuous and interrupted conditions.
- Heat-Resistant Alloy Applications: The grade's published S15–S30 range supports grade selection for this material group; confirm suitability for the exact alloy and operation.
- Contour Turning: The 35° diamond shape and 0.4mm nose radius can provide access for profiling, subject to the holder and component geometry.
System Compatibility & Related Insert Catalogs
The VNMG 160404MT (listed ANSI VNMG 331 MT) requires a holder specifically suitable for its size, geometry and clamping arrangement. Do not assume universal compatibility based only on a 35° shape or inscribed-circle dimension. Explore our full range of TaeguTec VNMG inserts, TaeguTec DNMG inserts, and TaeguTec CNMG inserts. Compare cross-brand tooling options across Korloy VNMG, ZCC-CT VNMG, TaeguTec DNMG, and TaeguTec CNMG collections.
TaeguTec TT9225 Grade Selection
TT9225 is a CVD-coated carbide grade with TiCN–Al2O3–TiCN layers. TaeguTec describes a combination of wear resistance and fracture toughness for general stainless steel machining in continuous and interrupted conditions. Published ISO ranges: M15–M30 and S15–S30. Select alternative grades using their own current manufacturer specifications rather than assuming the same coating or application behavior across the series.
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Technical Engineering Support
On-staff tooling specialists available for speed and feed recommendations.
Frequently Asked Questions
Q: Is this VNMG160404 or VNMG160408?
A: This listing is VNMG160404MT TT9225 with a 0.4mm nose radius. VNMG160408 is the different 0.8mm radius designation.
Q: Is TT9225 PVD or CVD coated?
A: TT9225 is CVD coated. TaeguTec lists its coating layers as TiCN–Al2O3–TiCN, with ISO application ranges M15–M30 and S15–S30.
Q: How many inserts are included?
A: Each box contains 10 inserts.
Need Help With TaeguTec Inserts?
Looking for a TaeguTec equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This TaeguTec insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.