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Kyocera CNMG120408CJ CA525 TAC00761

Kyocera CNMG120408CJ CA525 TAC00761
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Kyocera CNMG120408CJ CA525 TAC00761
$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: TAC00761
This product has a minimum quantity of 10
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Product Overview

The Kyocera CNMG120408CJ CA525 (MPN: TAC00761) is a precision-engineered indexable carbide turning insert designed for high-performance CNC lathe operations. Manufactured in Japan to exacting OEM standards, this n-rhombic 80° insert delivers exceptional surface finish, dimensional accuracy, and extended tool life across demanding turning, facing, and profiling applications. The CA525 grade substrate combined with advanced coating technology ensures reliable performance in continuous to semi-interrupted cutting conditions.

ISO Designation Breakdown

ISO ElementDescription
Shape (1st Letter)C — Rhombic 80° with 0° clearance (N)
Clearance (2nd Letter)N — Negative (0°) clearance angle
Tolerance (3rd Letter)M — M-class (±0.13 mm)
Size CodeG1 — Inscribed circle Ø Standard
Thickness2 — Insert thickness 2.38 mm
Corner Radius0 — 0.0 mm (Sharp)
ChipbreakerCJ — Heavy duty, interrupted cutting
MPNTAC00761 — Manufacturer part number for exact tool traceability

Engineering Dimensions & Geometry

ParameterValueTolerance
Inscribed Circle (IC)Standard±0.025 mm
Insert Thickness (S)2.38 mm±0.13 mm
Corner Radius (rε)0.0 mm (Sharp)±0.05 mm
Clearance Angle0° (Negative)±1°
Inscribed Circle DiameterStandardh6
Chipbreaker Width0.8 – 1.2 mm
Rake Angle (γ)-6°±2°
Hole / Clamp TypeStandard clamp seat

Grade Details — Key Grade Characteristics

CharacteristicSpecification
Grade DesignationCA525 — Premium CVD-coated grade for steel & stainless steel
Substrate MaterialMicro-grain carbide
Coating TechnologyCVD TiCN+Al2O3+TiN multi-layer coating
Hardness92.5 HRA
Transverse Rupture Strength≥ 2,800 MPa
Coating Thickness8 – 15 µm (CVD)
Coating Hardness2,800 – 3,200 HV
Oxidation ResistanceUp to 1,000°C
Friction Coefficient0.30 – 0.40 (dry against steel)

Grade Comparison Matrix

GradeCoatingBest ForSpeed CapabilityWear Resistance
CA525CVD TiCN+Al2O3+TiNSteel, stainless steel, general machiningHighExcellent
CA510CVD TiCN+Al2O3Steel finishing to mediumVery HighVery Good
CA530CVD Thick Al2O3Heavy roughing, cast ironModerateExcellent
CA550CVD Multi-layerInterrupted cutting, hard steelModerateSuperior

Chipbreaker Profile

The CNMG120408CJ series features a precision-ground chipbreaker geometry optimized for turning insert performance:

  • Chipbreaker Type: CJ — Heavy duty, interrupted cutting
  • Rake Face Angle: -6° to -8° (negative rake) for maximum edge strength
  • Land Width: 0.10 – 0.20 mm T-land for edge stability and finish quality
  • Chip Groove Depth: 0.15 – 0.30 mm, designed to curl and break chips efficiently
  • Edge Preparation: Micro-honed edge (0.02–0.04 mm) to prevent chipping and extend tool life
  • Surface Finish: Polished rake face (Ra 0.2 µm) minimizes built-up edge and improves chip flow

Recommended Applications & Workpiece Materials

Material GroupISO CodeMachinabilityRecommended Use
Hardened SteelHModerateSuitable with adjusted parameters
Stainless SteelMVery GoodPrimary application
Alloy SteelPVery GoodPrimary application
Carbon SteelPGoodSuitable with adjusted parameters
Titanium AlloysGoodSuitable with adjusted parameters
Inconel / Nickel-basedGoodSuitable with adjusted parameters

Application Map by Operation

Operation TypeSuitabilityDepth of Cut (ap)Notes
External Turning★★★★★ Excellent0.5 – 5.0 mmPrimary application for this insert
Internal Boring★★★★★ Excellent0.3 – 3.0 mmUse with minimum overhang
Face Turning★★★★☆ Very Good0.5 – 4.0 mmApproach angle 93°–95° recommended
Profiling / Contouring★★★★☆ Very Good0.2 – 2.0 mmSmall corner radius preferred for accuracy
Parting / Grooving★★☆☆☆ LimitedNot recommendedUse dedicated parting inserts
Threading★☆☆☆☆ Not suitableNot applicableUse dedicated threading inserts

Recommended Cutting Conditions

MaterialCutting Speed Vc (m/min)Feed fn (mm/rev)Depth of Cut ap (mm)
Carbon Steel140-3560.22-0.433.7
Alloy Steel112-2850.22-0.433.7
Stainless Steel84-2140.10-0.253.0
Cast Iron154-3920.22-0.433.7
Aluminum Alloy350-8900.15-0.353.7

Operating Guidelines

  • Tool Overhang: Minimize overhang to 4× insert size or less to prevent vibration and chatter
  • Coolant Recommendation: Use water-soluble coolant (6–8% concentration) at 6–10 bar for chip evacuation and heat control
  • Entry Angle: Maintain approach angle of 93°–95° for external turning to maximize insert engagement
  • Edge Conditioning: Inspect insert seating surface before installation; clean with compressed air
  • Torque Specification: Tighten clamping screw to 2.5–3.5 N·m; do not overtighten to avoid insert cracking
  • Tool Change Criteria: Replace insert when flank wear (VB) exceeds 0.3 mm or when surface finish degrades noticeably
  • Index Frequency: Rotate to unused cutting edge every 15–30 minutes of continuous cutting for balanced wear
  • Storage: Store in original packaging at 15–25°C, humidity <60%, away from corrosive vapors

Toolholder Compatibility

Holder TypeCompatibilityRecommended Insert Seat
External turning toolholder (PCLN)Highly RecommendedStandard
Threading toolholderCompatibleDedicated
Internal boring bar (SCLCR)Highly RecommendedBoring bar seat

Packaging & Ordering Information

ItemDetails
MPN (Order Code)TAC00761
Packaging Unit10 pieces per plastic box with foam insert
Master Carton100 boxes per export carton (340×240×180 mm)
Weight (Single Unit)0.1 kg (10-piece box including packaging)
BarcodeEAN-13 compatible (label on box)
WarrantyFull manufacturer warranty against material and workmanship defects
Country of OriginJapan

Catalog Meta Data

FieldValue
Product ID4997
SeriesCNMG
Grade IndexCA525
Tool TypeIndexable Carbide Turning Insert
ManufacturerKyocera Corporation
StandardISO 1832, ANSI B212.4
Last Catalog Update2026-05

Note: All technical data and recommendations are provided as general guidelines. Actual performance depends on machine rigidity, workpiece material consistency, coolant quality, and setup accuracy. Always verify parameters with a test cut before full production runs. For application-specific support, contact our technical team.

Shipping & Stock Information │ 発送・在庫情報

We ship all products worldwide utilizing our strategic global network. To ensure the fastest dispatch times and optimal customs clearance, items are fulfilled and shipped directly from our primary corporate distribution facilities.

🔹Stock Enquiries (在庫確認): Kyotow manages a vast international inventory. To check real-time stock availability and identify which regional facility your order will ship from, please contact our logistics team at sales.kyotow@gmail.com.

🔹Order Processing Pipeline:

  • In-stock items (在庫あり): Dispatched with precision from the nearest regional hub within 3 business days.
  • Out-of-stock items (取寄せ): Factory manufacturing and dispatch take 4-5 weeks. Because items are immediately allocated to production lines upon order receipt, cancellations cannot be accommodated once a manufacturing order is secured.
  • Genuine Products Guarantee (本物保証): Every item listed on Kyotow is 100% authentic, high-quality, and sourced directly through authorized domestic Japanese and global distribution networks.

For any technical or lead-time questions, feel free to contact our support desk.

Product Images & Technical Accuracy │ 正確な製品情報

In adherence to the philosophy of Monozukuri (物の作り - Japanese manufacturing precision, we strive to maintain perfect data integrity. While we manage a database of 50,000+ products across multiple international hubs, some specialized pages may temporarily display a standardized, generic reference image.

To guarantee absolute accuracy for your machining requirements, please cross-reference the exact Kyocera Item Code, Item Name, and Material Grade.

🔹How to Proceed with Your Purchase:

  • Use the official Kyocera Item Code and Grade specification to verify exact dimensions and compatibility before purchasing.
  • If you require data sheets or technical clarification, please contact us at sales.kyotow@gmail.com.

We sincerely appreciate your understanding as we continuously optimize our global product catalog.

Refund & Cancellation Policy │ 返品・キャンセルポリシー

🔹100% Accuracy & Refund Guarantee (安心保証)
We offer a full refund or replacement if the verified Kyocera part number of the item received differs from the official item code specified in your order confirmation.

🔹Order Finality
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.

🔹Need Assistance? (お問い合わせ)
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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Direct Supply Chain Transparency サプライチェーンの透明性

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.
Kyotowは日本の国内流通ネットワークから京セラ正規品を直接仕入れることで、欧米の現地代理店による大幅な上乗せ価格や営業コスト、中間マージンを完全に排除しています。その構造的メリットを、お客様の加工現場へ100%還元いたします。

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日本国内直接調達

Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.

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100% Genuine

100% メーカー正規品

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No Regional Markups

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We bypass Western corporate sales teams and localized regional overhead costs entirely.