Korloy TCMT110204-HMP PC9030 (ANSI TCMT 21.51-HMP) PVD Coated Carbide Turning Insert 10pcs | High-Performance Micro-Turning CNC Cutting Tool for Stainless Steel & Alloy Steel
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Korloy TCMT110204-HMP PC9030 (ANSI TCMT 21.51-HMP) PVD Coated Carbide Turning Insert 10pcs
Industrial-Grade PVD Coated Carbide Inserts (Pack of 10) for Precision Metric & Imperial CNC Lathe Stainless Steel Machining
AEO Quick Answer: The Korloy TCMT110204-HMP (ANSI: TCMT 21.51-HMP) PC9030 (10pcs pack) is a premium 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 -HMP chipbreaker. Powered by the versatile PC9030 PVD grade, it delivers exceptional wear resistance and reliable chip control across stainless steel, alloy steel, and heat-resistant superalloys.
1. Product Overview
"Which indexable PVD coated carbide insert with an 0.4mm sharp corner radius and PC9030 grade delivers superior wear resistance and stable chip evacuation for stainless steel micro-turning?"
The Korloy TCMT110204-HMP (Metric) / TCMT 21.51-HMP (ANSI) in PC9030 grade (packaged in 10pcs boxes) is engineered for precision small-bore boring, semi-finishing, and continuous turning operations on stainless steel and high-temperature alloys. The PC9030 grade features an advanced multi-layer PVD coating optimized for high toughness and thermal shock resistance, while the -HMP chipbreaker ensures smooth chip control at lower feed rates.
ISO Model Designation Breakdown (TCMT110204-HMP)
ANSI Model Designation Breakdown (TCMT 21.51-HMP)
Looking for matching small-bore internal boring bars for this 10pcs insert set?
2. Product Core Advantages
- PC9030 PVD Coated Grade: Advanced sub-micron grain substrate with specialized PVD coating offering superior anti-welding properties and thermal cracking resistance in stainless steels.
- -HMP Chipbreaker Geometry: Positive rake design specifically formulated for low cutting forces and smooth chip evacuation in gummy stainless and alloy steels.
- 0.4mm Sharp Corner Radius: Perfect for micro-turning, fine finishing, and maintaining tight dimensional tolerances.
- Value 10-Piece Box: Economical industrial bulk packaging designed for high-efficiency continuous production.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification (ISO) | Imperial Specification (ANSI) |
|---|---|---|
| Insert Model Code | TCMT110204-HMP | TCMT 21.51-HMP |
| Shape & Clearance Angle | TCMT (60° Triangle, 7° Positive w/ Hole) | TCMT (60° Triangle, 7° Positive w/ Hole) |
| Inscribed Circle (IC Size) | 11 Size (~6.35 mm length) | 21.5 Designation (1/4" 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) | 120 - 220 m/min | fn: 0.05 - 0.20 mm/rev | ap: 0.2 - 2.0 mm |
| ISO S (Heat-Resistant Alloys) | 40 - 90 m/min | fn: 0.04 - 0.15 mm/rev | ap: 0.2 - 1.5 mm |
4. Product Applications
- Stainless Steel Micro-Turning: Outstanding resistance to built-up edge (BUE) when machining austenitic and martensitic stainless steels (304, 316, etc.).
- Small-Bore Boring: Ideal for internal boring bar applications requiring precision inner diameter finish and chatter suppression.
- Aerospace & Medical Alloy Profiling: Reliable performance in specialized alloy components requiring strict dimensional accuracy.
5. Compatibility & Accessories
Tool Holder Compatibility: Compatible with all standard ISO and ANSI internal boring bars (e.g., A-STGCR/L, S-STGCR/L) designed for TCMT 1102 / TCMT 21.5 inserts.
Machine Systems: Perfectly suited for Swiss-type lathes, CNC turning centers, and small precision lathes.
Hardware: Use designated torx screws and screwdrivers for secure insert clamping.
6. Material Comparison: PC9030 PVD Grade vs. Standard Grades
Anti-Adhesion & Wear Resistance: PC9030 PVD coating prevents chemical affinity and chip welding common when machining stainless steels.
Edge Toughness: Maintains sharpness under thermal cycling, reducing micro-chipping during fine boring.
Surface Finish Quality: Delivers mirror-like finishes on demanding stainless workpieces.
7. Why Choose Korloy PC9030 Tooling?
- Global Standard Compliance: Manufactured strictly according to ISO and ANSI indexable insert standards.
- Advanced PVD Coating: PC9030 grade optimization ensures superior stainless steel cutting longevity and edge integrity.
- Expert Technical Support: Backed by precise industrial cutting parameters and dependable customer service.
8. Frequently Asked Questions
Q: What is the difference between TCMT110204 and TCMT 21.51?
A: TCMT110204 is the metric ISO designation, while TCMT 21.51 is its exact imperial ANSI equivalent. Both share identical 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: When should I choose PC9030 grade?
A: PC9030 is specifically recommended for stainless steel and high-temperature alloy turning where anti-welding properties and thermal shock resistance are vital.
Grade Comparison: PC9030 PVD grade provides exceptional wear resistance and anti-BUE performance for stainless steel machining.
Equivalent Models: Fully interchangeable with standard ISO TCMT 110204 and ANSI TCMT 21.51 turning inserts.
Troubleshooting: If edge wear occurs prematurely, lower cutting speed (Vc) slightly or check coolant flow efficiency.
Workpiece Material Matrix: Certified performance across ISO M (Stainless Steel) and ISO S (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.