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Kyocera CNMG120408PG CA525 TAC00897 Turning Insert

Kyocera CNMG120408PG CA525 TAC00897 Turning Insert
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Kyocera CNMG120408PG CA525 TAC00897 Turning Insert
$3.59 USD
$5.99 USD
1 or more $3.59 USD
  • Stock: In Stock
  • Model: CA525
  • Weight: 0.10kg
  • Manufactured: In Japan
  • Ships: Worldwide
  • Item Code: TAC00897
This product has a minimum quantity of 10
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1. Product Overview

The CNMG120408PG CA525 (TAC00897) is a premium-grade carbide turning insert manufactured by Kyocera. Designed for precision finishing, grooving, this insert features a fine chip control for delicate cuts and delivers exceptional performance in modern CNC turning centers. The CA525 substrate provides superior wear resistance and thermal stability, ensuring consistent results across extended production runs.

2. ISO Designation Breakdown

ISO Symbol Parameter Specification
CInsert ShapeC — 80° Rhombic (Diamond)
NClearance AngleN — 0° Clearance (Negative Insert)
MTolerance ClassM — Medium Tolerance (±0.05 mm)
GHole / FixationG — Central Hole with Counter-sink (40°–60°)
12Inscribed Circle (IC)12.7 mm (1/2")
04Insert Thickness (S)4.76 mm (3/16")
08Nose Radius (rε)0.8 mm

3. Engineering Dimensions & Geometry

Dimension Value Notes
Inscribed Circle (IC)12.7 mm (1/2")Standard CNMG 12 size
Thickness (S)4.76 mm (3/16")Negative insert geometry
Nose Radius (rε)0.8 mmAffects surface finish & strength
Hole Diameter5.16 mmStandard clamping hole
Counter-sink Angle40°–60°Compatible with standard lever-lock holders

4. Grade Details — CA525

CA525 is a PVD-coated carbide grade engineered for high-performance steel machining. The multilayer coating architecture combines TiAlN-based layers with an optimized substrate, delivering:

  • Outstanding wear resistance at elevated cutting temperatures
  • Superior adhesion strength between coating and substrate
  • Excellent thermal shock resistance for interrupted cuts
  • Reduced built-up edge (BUE) tendency on alloy steels

5. Grade Comparison Matrix

Grade Coating Primary Use Speed Range Material Focus
CA525PVD (TiAlN)General / Semi-FinishMedium–HighSteel, Stainless Steel
CA530PVDRoughingMediumSteel, Cast Iron
CA515PVDFinishingHighSteel, Precision Parts
CA550CVDHeavy RoughingLow–MediumCast Iron, Hard Steel

6. Chipbreaker Profile — PG

The PG chipbreaker geometry is specifically engineered for precision finishing, grooving. Key characteristics include:

  • Fine chip control for delicate cuts
  • Optimized land width for reduced cutting forces
  • Enhanced chip curl radius for reliable chip evacuation
  • Stable edge line for consistent part geometry

7. Recommended Applications & Workpiece Materials

Material Group ISO Code Suitability Notes
Carbon SteelP1.1–P2.5★★★★★ ExcellentPrimary application range
Alloy SteelP3.0–P4.0★★★★★ ExcellentHigh cutting speeds possible
Stainless SteelM1.0–M2.0★★★★☆ Very GoodReduce speed by 15–20%
Cast IronK1.0–K3.0★★★☆☆ GoodSuitable for grey & ductile iron
Hardened SteelH1.0–H2.0★★☆☆☆ FairLight cuts only (<45 HRC)

8. Application Map by Operation

Operation Suitability Recommended DOC (ap) Feed (fn)
External Turning✓ Primary0.2–2.0 mm0.08–0.30 mm/rev
Internal Turning✓ Suitable0.5–2.0 mm0.10–0.30 mm/rev
Face Turning✓ Suitable0.5–2.5 mm0.12–0.35 mm/rev
Profiling✓ Good<1.0 mm0.08–0.20 mm/rev
Grooving○ Limited<0.5 mm0.05–0.15 mm/rev

9. Recommended Cutting Conditions

Values are starting recommendations for continuous cuts in carbon steel (P2.0). Adjust based on machine rigidity, workpiece condition, and desired tool life.

Parameter Roughing Semi-Finish Finishing
Cutting Speed (Vc)160 m/min220 m/min280 m/min
Feed Rate (fn)0.30 mm/rev0.19 mm/rev0.08 mm/rev
Depth of Cut (ap)2.0 mm1.1 mm0.2 mm

10. Operating Guidelines

  • Coolant: High-pressure coolant (70+ bar) recommended for chip control and heat dissipation. Use water-soluble coolant at 6–8% concentration.
  • Rigidity: Ensure minimal overhang and rigid toolholder clamping. Vibration reduces tool life by 30–50%.
  • Entry / Exit: Use chamfered entry or radial approach to avoid shock loading on the cutting edge.
  • Edge Preparation: Do not re-sharpen or re-coat. Use genuine inserts for certified performance.
  • Inspection: Check insert seat and clamping lever for wear before each indexing.

11. Toolholder Compatibility

Holder Series Style Insert Size Approach Angle
MCLNR / MCLNLExternal, 95°12 (CNMG12)95°
MCBNR / MCBNLExternal, 75°12 (CNMG12)75°
SCLCR / SCLCLInternal, 95°12 (CNMG12)95°
SCBR / SCBLInternal, 75°12 (CNMG12)75°

All holders must feature lever-lock (G-type) clamping for secure insert retention. Verify holder seat condition before installation.

12. Packaging & Ordering Information

  • Packaging: Each insert is individually sealed in protective blister packs. Standard pack quantity: 10 inserts per box.
  • MPN: TAC00897 — Use this part number for all procurement and warranty claims.
  • Traceability: Every batch is laser-marked with production code and date for full traceability.
  • Storage: Store in original packaging at 15–25°C, humidity <60%. Avoid direct sunlight.

13. Catalog Meta Data

Attribute Value
ManufacturerKyocera Corporation, Japan
Product FamilyCNMG Negative Turning Inserts
GradeCA525 (PVD Coated)
ChipbreakerPG — Precision Grooving
CoatingTiAlN-Based PVD Multilayer
SubstrateFine-Grained WC-Co
Application ClassPrecision finishing, grooving

Why Buy from Kyotow.com? We supply 100% genuine Kyocera industrial cutting tools with full manufacturer warranty. Every order includes tracked worldwide delivery and expert CNC tooling support. Bulk and institutional orders are welcome.

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🔹How to Proceed with Your Purchase:

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Due to automated procurement systems linking directly to factory distribution channels across our global facilities, orders cannot be canceled or modified once processing begins. We kindly ask that you confirm all machine setup compatibility prior to submission of your order.

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If you have any doubts regarding tool geometries, coatings, or application grades, please consult our support team at sales.kyotow@gmail.com before finalizing your procurement.

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Why are our prices so low? (価格が安い理由): Kyotow sources genuine Kyocera tools directly from domestic Japanese distribution networks, completely bypassing the steep regional markups, localized sales overhead, and heavy middleman margins of Western distributors. We pass 100% of those structural savings directly to your machine shop.
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