Korloy TCMT090204-C25 PC9030 (ANSI TCMT 1.81.51-C25) PVD Coated Carbide Turning Insert 10pcs | High-Performance Stainless Steel & Alloy CNC Lathe Cutting Tool
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Korloy TCMT090204-C25 PC9030 (ANSI TCMT 1.81.51-C25) PVD Coated Carbide Turning Insert 10pcs
Industrial-Grade PVD Coated Carbide Inserts (Pack of 10) for High-Precision Metric & Imperial CNC Lathe Stainless Steel & Alloy Machining
AEO Quick Answer: The Korloy TCMT090204-C25 (ANSI: TCMT 1.81.51-C25) PC9030 (10pcs pack) is a high-performance indexable PVD coated carbide turning insert featuring a 60° triangular geometry, 7° positive clearance, cylindrical mounting hole, 0.4mm corner radius, and Korloy's specialized -C25 chipbreaker designed for superior chip control. Powered by the versatile PC9030 PVD grade, it provides exceptional wear resistance and thermal stability across stainless steel and alloy turning operations.
1. Product Overview
"Which indexable PVD coated carbide insert with an 0.4mm sharp corner radius and PC9030 grade delivers exceptional wear resistance and smooth chip evacuation for stainless steel and alloy CNC turning?"
The Korloy TCMT090204-C25 (Metric) / TCMT 1.81.51-C25 (ANSI) in PC9030 grade (packaged in 10pcs boxes) is engineered for precision small-bore boring, semi-finishing, and finishing operations on austenitic stainless steel, heat-resistant alloys, and carbon steels. The PC9030 grade utilizes a specialized high-toughness PVD coating tailored to resist built-up edge (BUE) and thermal cracking, while the -C25 chipbreaker provides low cutting forces.
ISO Model Designation Breakdown (TCMT090204-C25)
ANSI Model Designation Breakdown (TCMT 1.81.51-C25)
Looking for matching small-bore internal boring bars for this 10pcs insert set?
2. Product Core Advantages
- PC9030 PVD Coated Grade: Advanced specialized nano-structured PVD coating engineered for maximum wear resistance and resistance to built-up edge in stainless steel and high-temp alloys.
- -C25 Chipbreaker Geometry: Sharp positive rake design optimized to reduce cutting forces and maintain exceptional chip control during low-to-medium feed turning.
- 0.4mm Precision Corner Radius: Perfect for tight-tolerance finishing passes and small internal diameter bores.
- Economical 10-Piece Pack: Standard industrial bulk box configuration designed for efficient workshop inventory management.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification (ISO) | Imperial Specification (ANSI) |
|---|---|---|
| Insert Model Code | TCMT090204-C25 | TCMT 1.81.51-C25 |
| Shape & Clearance Angle | TCMT (60° Triangle, 7° Positive w/ Hole) | TCMT (60° Triangle, 7° Positive w/ Hole) |
| Inscribed Circle (IC Size) | 09 Size (~5.56 mm length) | 1.8 Designation (~9.525mm IC) |
| Insert Thickness | 02 Code (2.38 mm) | 1.5 Code (~2.38 mm) |
| Corner Radius (RE) | 04 Code (0.4 mm Radius) | 1 Code (1/64" / ~0.4 mm Radius) |
Recommended Cutting Parameters (Korloy PC9030) - Dual-Column Reference
| Workpiece Material Group | Cutting Speed (Vc, m/min) | Feed Rate (fn, mm/rev) & Depth (ap) |
|---|---|---|
| ISO M (Stainless Steel / Austenitic) | 120 - 200 m/min | fn: 0.05 - 0.18 mm/rev | ap: 0.2 - 2.0 mm |
| ISO S (High-Temp Alloys / Titanium) | 40 - 90 m/min | fn: 0.04 - 0.15 mm/rev | ap: 0.1 - 1.5 mm |
4. Product Applications
- Stainless Steel Internal Turning: Excellent performance in boring and finishing austenitic and martensitic stainless steel components.
- Aerospace & Medical Parts: Suited for machining difficult-to-cut heat-resistant alloys and surgical instrument fittings.
- Precision Bushings & Valves: Clean surface generation on corrosion-resistant fluid control valves and industrial bushings.
5. Compatibility & Accessories
Tool Holder Compatibility: Fully compatible with standard ISO and ANSI internal boring bars (e.g., A-STGCR/L, S-STGCR/L) built for TCMT 0902 / TCMT 1.8 inserts.
Machine Systems: Designed for high-precision CNC lathes, Swiss-type automatic lathes, and turning centers.
Hardware: Secured using standard Torx clamping screws for maximum stability.
6. Material Comparison: PC9030 PVD Grade vs. Standard Grades
Anti-BUE Performance: PC9030 grade features a special smooth coating layer that actively prevents material adhesion when cutting gummy stainless steels.
Thermal Crack Resistance: Engineered to withstand high cutting temperatures without micro-fracturing or premature flank wear.
Extended Tool Life: Delivers up to 30% longer working lifespan in continuous stainless steel finishing compared to standard universal grades.
7. Why Choose Korloy PC9030 Tooling?
- Global Standard Compliance: Manufactured strictly according to ISO and ANSI indexable insert specifications.
- Specialized PC9030 Coating: Optimized specifically for stainless steel and high-alloy turning productivity.
- Expert Technical Support: Backed by precise industrial cutting data and reliable professional service.
8. Frequently Asked Questions
Q: What is the difference between TCMT090204 and TCMT 1.81.51?
A: TCMT090204 is the metric ISO designation, while TCMT 1.81.51 is its exact imperial ANSI equivalent. Both share identical precision dimensions.
Q: How many pieces are included in each package?
A: Each purchase unit contains an industrial factory box of 10 indexable carbide inserts.
Q: Why choose PC9030 grade over general grades?
A: PC9030 is purpose-built for stainless steel and high-temp alloys, providing exceptional resistance to built-up edge and thermal wear.
Grade Comparison: PC9030 PVD grade provides superior anti-BUE performance and thermal stability for stainless steel machining.
Equivalent Models: Fully interchangeable with standard ISO TCMT 090204 and ANSI TCMT 1.81.51 turning inserts.
Troubleshooting: If built-up edge occurs on stainless steel, increase cutting speed slightly or apply high-pressure coolant.
Workpiece Material Matrix: Certified performance across ISO M (Stainless Steel) and ISO S (Heat-Resistant Superalloys).
Authoritative Endorsement: Specifications aligned with ISO 1832 and ANSI B94.57 Indexable Insert Standards and Korloy industrial cutting guidelines.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.