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Kyocera TNMG 160408 CQ CA525
Kyocera TNMG 160408 CQ CA525 is a 60° triangular negative steel-turning insert with CQ chipbreaker, 0.8 mm corner radius, from Kyocera’s CA5 Series. CVD coated carbide (TiN/TiCN/α-Al₂O₃) offers stable machining, high wear & fracture resistance. Ideal for general use & finishing/medium steel turning.
The Kyocera TNMG 160408 CQ CA525 insert delivers a superior balance of performance, life and cost efficiency for steel turning. Crafted with the CA525 grade in the CA5 Series, it features a robust special carbide substrate, bonded with multiple layers including TiN / TiCN and an α-Al₂O₃ top coat for high hardness, thermal stability and excellent adhesion.
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🛠️ Want more parts per insert, better finishes, and lower cost per component? Meet the Kyocera TNMG 160408 CQ CA525 — the go-to choice when you need stable steel turning with long tool life and fewer tool changes.
Key Features & Specs
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Geometry & Shape: TNMG insert, 60° triangular negative insert with hole. “CQ” chipbreaker type for general to finishing-medium turning. Corner radius: 0.8 mm.
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Grade & Coating: Kyocera’s CA525, part of their CA5 Series CVD-coated carbide grade. Coating layers: TiN / TiCN bonding plus α-Al₂O₃ top layer. Special carbide substrate to withstand high temperature deformation.
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Cutting Applications: Best suited for turning operations especially steel and alloy steel; general to finishing/medium cuts. Works well in continuous to light interrupted cuts
Why It’s a Best Seller
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Less downtime: CA525 gives more stable machining and reduces sudden breakage thanks to its high adhesion coating film and strong, tough substrate.
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Better surface finishes: CQ chipbreaker + smooth, flat surface help reduce cutting forces and leave cleaner work.
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High wear & fracture resistance: Special α-Al₂O₃ CVD top coat plus improved coating/substrate interface means you get longer insert life vs many conventional CVD grades.
Application Industries
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Automotive (shafts, rolls, gears, blocks)
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General Engineering (steel components, shafts, flanges)
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Die & Mold works for steel-based mold components
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Heavy Equipment / Agricultural where steel turning is frequent
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Frequently Asked Questions
It excels in steel and alloy steel turning. It handles both continuous and light interrupted cuts, especially for general-purpose finishing/medium turning.
CA525 uses advanced CVD-coating with α-Al₂O₃ top layer, improved bonding layers, and a carbide substrate engineered for better temperature resistance. Compared to many standard CVD grades, CA525 gives higher wear resistance, less risk of sudden breakage, and more consistent tool life.
“CQ” chipbreaker is Kyocera’s design for general to finishing-medium cuts. It aids in chip control, helps maintain cleaner edge formation, and supports smoother surfaces with lower cutting forces.
While exact savings depend on your machine setup, material, speed/feed, and coolant, typical comparisons from Kyocera’s data show CA525 often produces 20-up to over 40% more life or output versus conventional CVD grades under comparable turning conditions.
Please contact CNC Tools Depot via WhatsApp, phone or DM. Tell us quantity, application (material & machine), and we’ll quote price, lead time and whether we have stock or can arrange bulk supply.
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