Kyocera WNMG080412WQ CA025P TMH00335 Turning Insert
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- Stock: In Stock
- Model: CA025P
- Weight: 0.10kg
- Manufactured: In Japan
- Ships: Worldwide
- Item Code: TMH00335
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Product Overview
The WNMG080412WQ CA025P TMH00335 is a precision-engineered indexable carbide insert manufactured by Kyocera in Japan. Designed for heavy-duty finishing operations, this negative-relief insert delivers exceptional surface integrity, dimensional accuracy, and extended tool life in CNC turning centers and milling machines. The WNMG080412WQ features robust wiper geometry engineered for heavy-duty finishing with increased depth of cut. reinforced cutting edge withstands intermittent cuts and scale while preserving surface integrity..
Suitable for steel, alloy steel, this insert combines a robust carbide substrate with an advanced PVD coating to withstand high cutting temperatures and mechanical stresses. The 1.2 mm nose radius provides superior edge durability for heavy material removal, making it the preferred choice for precision manufacturing across aerospace, automotive, energy, and general engineering sectors.
ISO Designation Breakdown
The WNMG080412WQ designation follows ISO 1832:2004 standard for indexable inserts. Each code element defines a critical geometric or application characteristic:
| W | 80° Trigon / Diamond shape (double-sided, 6 cutting edges) |
| N | 0° relief angle (negative insert, requires negative toolholder) |
| M | Tolerance class M (±0.13 mm on inscribed circle, ±0.08 mm on thickness) |
| G | With cylindrical hole and double-sided chipbreaker (through-hole clamping) |
| 08 | Inscribed circle diameter 8.0 mm (08 size code) |
| 04 | Standard thickness 4.76 mm |
| 12 | Corner nose radius 1.2 mm — strong edge for heavy cutting |
| WQ | Chipbreaker / edge preparation code: Robust wiper geometry engineered for heavy-duty finishing with increased depth of cut |
Engineering Dimensions & Geometry
| Parameter | Value | Tolerance |
|---|---|---|
| Inscribed Circle (IC) | 8.0 mm | ±0.13 mm (M-class) |
| Insert Thickness (S) | 4.76 mm | ±0.08 mm |
| Nose Radius (RE) | 1.2 mm | ±0.05 mm |
| Relief Angle | 0° (negative) | — |
| Hole Diameter | 5.5 mm | +0.1 mm |
| Cutting Edge Length (approx.) | 8.0 mm | — |
| Insert Weight | ~12 g | — |
Grade Details — Key Grade Characteristics
CA025P is a PVD-coated carbide grade from Kyocera's advanced turning portfolio, specifically engineered for steel and stainless steel machining. The substrate combines medium-grain tungsten carbide with a cobalt binder optimized for toughness and wear resistance.
- Coating: Multi-layer PVD TiAlN coating with nano-structured architecture providing thermal barrier properties up to 900°C
- Substrate: Medium-grain WC-Co with 10% cobalt content for optimal hardness-to-toughness ratio (HV 1,550)
- Color: Bronze-copper finish characteristic of TiAlN-based coatings
- ISO Application: P15–P35 (steel), M15–M25 (stainless steel)
- Cutting Speed Range: 150–350 m/min for steels, 100–250 m/min for stainless steels
- Primary Advantage: Exceptional crater wear resistance and built-up edge suppression in continuous cutting
Grade Comparison Matrix
| Grade | Coating | ISO Range | Best For | Speed (m/min) |
|---|---|---|---|---|
| CA025P | PVD TiAlN | P15–P35 / M15–M25 | Steel, Stainless Steel | 150–350 |
| CA0251 | CVD TiC-TiN-Al₂O₃ | P25–P45 | Heavy Steel Roughing | 120–280 |
| CA035P | PVD TiSiN | P05–P25 | High-Speed Steel Finishing | 250–450 |
| CA115P | PVD TiAlN+TiN | M10–M30 / S15–S25 | Stainless & Heat-Resistant Alloys | 80–200 |
Note: CA025P sits in the versatile middle range—offering better heat resistance than uncoated grades and superior toughness compared to ultra-hard finishing grades. Ideal for job shops requiring one grade across multiple steel applications.
Chipbreaker Profile
WQ Chipbreaker — Heavy-Duty Finishing Geometry
Robust wiper geometry engineered for heavy-duty finishing with increased depth of cut. Reinforced cutting edge withstands intermittent cuts and scale while preserving surface integrity.
- Land Width: 0.15–0.25 mm (standard land)
- Rake Angle: +3° to +6° (low positive for strength)
- Chip Groove Depth: Medium (0.25 mm) for balanced chip flow
- Edge Preparation: T-land with reinforced hone (0.05–0.08 mm)
- Chip Control Range: Optimal for f = 0.12–0.40 mm/rev
Recommended Applications & Workpiece Materials
The WNMG080412WQ with grade CA025P is optimized for the following material groups and machining scenarios:
- Carbon Steels: C35, C45, C60 (1.0503, 1.1191) — excellent performance in normalized and quenched conditions
- Alloy Steels: 42CrMo4, 34CrNiMo6, 16MnCr5 — stable cutting across hardened and tempered states up to 40 HRC
- Stainless Steels: 304 (1.4301), 316 (1.4401), 321 (1.4541) — reduced built-up edge tendency due to coating lubricity
- Tool Steels: H13, D2, O1 — limited application in annealed condition; not recommended for >45 HRC
- Cast Irons: GJL-250 (GG25), GJS-500 (GGG50) — acceptable for grey and ductile iron in medium-speed range
- Free-Machining Steels: 11SMn30 (1.0715), 11SMnPb30 — superior chip breaking and extended tool life
Application Map by Operation
| Operation | Suitability | Recommended Parameters |
|---|---|---|
| External Longitudinal Turning | ⭐⭐⭐⭐⭐ Excellent | External longitudinal turning (heavy finishing), face turning with scale, interrupted cuts (light), cast skin machining |
| Face Turning | ⭐⭐⭐⭐⭐ Excellent | Use at 80% of external turning speed; reduce feed by 10% at center |
| Taper Turning | ⭐⭐⭐⭐☆ Very Good | Maintain constant surface speed; adjust feed for changing diameter |
| Contour / Copy Turning | ⭐⭐⭐⭐☆ Very Good | Program smooth transitions; avoid sudden depth changes |
| Interrupted Cutting | ⭐⭐⭐⭐☆ Good (forged/cast skin) | Reduce speed 20–30%; use strongest nose radius available |
| Grooving (Adjacent) | ⭐⭐⭐☆☆ Moderate | Not a dedicated groove insert; use only for shallow adjacent grooves |
Recommended Cutting Conditions
Parameters are starting recommendations for stable setups with rigid workpieces and short overhangs. Adjust based on machine power, fixture stability, and surface finish requirements.
| Material Group | Cutting Speed Vc (m/min) | Feed f (mm/rev) | Depth of Cut ap (mm) |
|---|---|---|---|
| Low-Carbon Steel (<0.25% C) | 150–280 | 0.15–0.50 | 1.5–6.0 |
| Medium-Carbon Steel (0.25–0.60% C) | 135–252 | 0.15–0.50 | 1.5–6.0 |
| High-Carbon Steel (>0.60% C) | 112–210 | 0.15–0.50 | 1.5–6.0 |
| Alloy Steel (annealed) | 127–238 | 0.15–0.50 | 1.5–6.0 |
| Austenitic Stainless Steel | 90–168 | 0.15–0.50 | 1.5–6.0 |
| Grey Cast Iron (GJL-250) | 105–196 | 0.15–0.50 | 1.5–6.0 |
Operating Guidelines
- Toolholder Selection: Use negative toolholders with 0° relief (e.g., MWLNR/L08) and ensure insert seat is clean and undamaged
- Clamping Torque: Tighten lever or screw to manufacturer specification (typically 3.5–5.0 N·m); over-tightening causes micro-cracking
- Coolant Recommendation: Flood coolant at 6–8% concentration for steels; high-pressure coolant (70+ bar) improves chip evacuation in stainless steel
- Entry Strategy: Avoid plunging directly into solid material; use ramp entry or pre-drill center for face turning
- Tool Life Monitoring: Monitor flank wear (VB max 0.3 mm) and crater wear (KT max 0.2 mm); replace insert before catastrophic failure
- Surface Finish Tip: For best finish, use highest possible speed within range and lowest feed consistent with chip breaking; wiper inserts permit 1.5×–2× standard feed rates
- Vibration Control: If chatter occurs, reduce speed 10% and increase feed 15%; verify tool overhang <4× holder diameter
Toolholder Compatibility
The WNMG080412WQ is a negative insert (0° relief) and requires compatible negative toolholders. Recommended Kyocera and industry-standard holders:
- Kyocera MWLNR/L08–M: Standard external turning holder, 95° entering angle, for 08 size inserts
- Kyocera MWLNN08–M: Neutral hand holder with 0° inclination for straight turning
- Kyocera PWLNR/L08: Lever-lock holder for high rigidity and quick insert change
- ISO Reference: DIN 4980 / ISO 5608 compliant holders with M-class insert seat tolerance
- Shank Size: Match holder shank to machine turret (16×16, 20×20, 25×25 mm); larger shanks improve stability
- Handedness: R = right-hand (standard), L = left-hand; verify against machine spindle rotation and part geometry
Packaging & Ordering Information
- Standard Pack Quantity: 10 inserts per sealed plastic container (industry standard)
- Labeling: Each insert laser-marked with Kyocera logo, grade CA025P, and batch traceability code
- MPN: TMH00335 (Kyocera global catalog number)
- Storage: Store in original packaging at 15–25°C, humidity <60% to preserve coating integrity
- Minimum Order: 1 pack (10 inserts); bulk pricing available for 50+ packs
Catalog Meta Data
- Product Series: Kyocera WNMG Negative Insert Series — Grade CA025P
- Catalog Page Reference: Kyocera General Catalog Vol. 2026, Turning Inserts Section B
- Replacement For: Compatible with all ISO-standard WNMG holders (MWLNR/L, MWLNN, PWLNR/L series)
- Cross-Reference: Comparable to Sandvik Coromant WNMG CA series, Iscar WNMG-IP series, Mitsubishi WNMG-MA series
- Update Cycle: Grade formulation last updated Q1 2025; coating process enhanced for 2026 production batch
✓ Genuine Kyocera Product
| Manufacturer | Kyocera Corporation |
|---|---|
| Status | Verified Original Product |
| Quality Assurance | Guaranteed Genuine Kyocera Components |
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Manufacturing and dispatch typically require 4–5 weeks. Once production begins, cancellations cannot be accommodated. -
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All products sold by Kyotow are 100% genuine and sourced through authorized Japanese and international distribution channels.
正確な製品情報
Following the Japanese philosophy of Monozukuri (物の作り), we strive to maintain exceptional technical accuracy throughout our product catalog.
- Confirm dimensions, geometry, coating, and grade using the official Kyocera item code.
- Technical datasheets are available upon request.
- For technical clarification contact sales.kyotow@gmail.com.
返品・キャンセルポリシー
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100% Accuracy Guarantee:
Full refund or replacement will be provided if the verified Kyocera item received differs from the official item code specified in your order confirmation. -
Order Finality:
Due to automated procurement systems connected directly to global factory distribution channels, orders cannot be modified or cancelled once processing has commenced. -
Technical Assistance:
Please verify machine compatibility, insert geometry, coating, and application grade before placing your order.
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Need Technical Assistance?
Contact our industrial tooling specialists for application support, tooling recommendations, datasheets, and compatibility verification.
sales.kyotow@gmail.comDirect 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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Procured straight from Japan's local wholesale networks to capture maximum market arbitrage.
100% Genuine
Zero counterfeit risk. All items are brand-new, authentic factory-sealed Japanese stock.
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We bypass Western corporate sales teams and localized regional overhead costs entirely.
