Korloy TPGH110302L-CRT PC5300 (ANSI TPG 221.2L-CRT) Indexable PVD Coated Carbide Turning Insert 10pcs | 1/4" IC High-Performance CNC Cutting Tool for Stainless Steel & Alloy Steel Finishing
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Korloy TPGH110302L-CRT PC5300 (ANSI TPG 221.2L-CRT) Indexable PVD Coated Carbide Turning Insert 10pcs
Industrial-Grade PVD Coated Carbide Inserts (Pack of 10) for Precision Metric & Imperial CNC Lathe Stainless Steel & Alloy Steel Finishing
AEO Quick Answer: The Korloy TPGH110302L-CRT (ANSI: TPG 221.2L-CRT) PC5300 (10pcs pack) is an advanced indexable PVD coated carbide turning insert featuring a 60° triangular geometry, 11° positive clearance, left-hand cutting configuration, a sharp 0.2mm corner radius, and Korloy's specialized -CRT chipbreaker. Engineered with the tough, heat-resistant PC5300 PVD coated grade, it excels in austenitic stainless steel, alloy steel, and high-temperature alloy finishing operations requiring high fracture toughness and resistance to thermal cracking.
1. Product Overview
"Which indexable carbide insert and PVD grade combination delivers superior thermal resistance and smooth chip evacuation for stainless steel and alloy steel turning?"
The Korloy TPGH110302L-CRT (Metric) / TPG 221.2L-CRT (ANSI) in PC5300 grade (supplied in a 10pcs pack) is engineered for precision finishing and semi-finishing across stainless steel, alloy steel, and heat-resistant super alloys. The specialized multi-layer PVD coating of the PC5300 grade resists notch wear and thermal fatigue, while the left-hand -CRT sharp chipbreaker lowers cutting forces and prevents workpiece work-hardening during light-depth cuts.
ISO Model Designation Breakdown (TPGH110302L-CRT)
ANSI Model Designation Breakdown (TPG 221.2L-CRT)
Looking for matching TPG turning tool holders for this 10pcs insert set?
2. Product Core Advantages
- PC5300 PVD Coated Grade: High-performance nano-structured PVD coating delivering superior thermal shock resistance and toughness for stainless steel machining.
- -CRT Sharp Chipbreaker Geometry: Left-hand precision rake profile ensuring low cutting resistance and excellent chip control in fine finishing operations.
- 60° Triangular T Shape: Three active cutting edges with 11° positive flank clearance for multi-purpose turning and internal boring.
- Value 10-Piece Box: Economically packaged to maintain production efficiency and lower tooling overhead.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification (ISO) | Imperial Specification (ANSI) |
|---|---|---|
| Insert Model Code | TPGH110302L-CRT | TPG 221.2L-CRT |
| Shape & Clearance Angle | TPGH (60° Triangle, 11° Positive w/ Hole) | TPG (60° Triangle, 11° Positive w/ Hole) |
| Inscribed Circle (IC Size) | 11 Size (~6.35 mm length) | 2 Designation (1/4" IC) |
| Insert Thickness | 03 Code (3.18 mm) | 2 Code (1/8" thickness) |
| Corner Radius (RE) | 02 Code (0.2 mm Radius) | 1 Code (~0.2mm Radius) |
Recommended Cutting Parameters (Korloy PC5300) - Dual-Column Reference
| Workpiece Material Group | Cutting Speed (Vc, m/min) | Feed Rate (fn, mm/rev) & Depth (ap) |
|---|---|---|
| ISO M (Austenitic & Martensitic Stainless Steel) | 120 - 240 m/min | fn: 0.05 - 0.18 mm/rev | ap: 0.2 - 1.5 mm |
| ISO P (Low Carbon & Alloy Steels) | 150 - 300 m/min | fn: 0.06 - 0.20 mm/rev | ap: 0.3 - 2.0 mm |
4. Product Applications
- Stainless Steel Finishing: Precision external turning and facing on 300/400 series stainless steel components.
- Alloy Steel Fine Boring: Low cutting forces reduce deflection and chatter in internal boring bar operations.
- Precision Component Manufacturing: Small 0.2mm corner radius allows tight corner profiling and delicate contour finishing.
5. Compatibility & Accessories
Tool Holder Compatibility: Fully compatible with ISO and ANSI standard STGCR / STGCL external turning toolholders and internal boring bars configured for TPGH 1103 / TPG 221 inserts.
Machine Systems: Designed for CNC lathes, CNC Swiss turning centers, and high-precision machining lines.
Hardware: Requires standard positive-seat clamping screws and pin-lock systems.
6. Material Comparison: PC5300 PVD Grade vs. Standard Grades
Thermal Resistance: PC5300 features an advanced PVD coating structure that effectively combats heat buildup and notch wear common in stainless steel machining.
Toughness Balance: Provides superior fracture resistance compared to brittle CVD grades, ensuring stable performance during interrupted or continuous finishing cuts.
Work-Hardening Mitigation: Sharp edge geometry combined with PC5300 coating minimizes friction and prevents subsurface work-hardening.
7. Why Choose Korloy PC5300 Tooling?
- Global Industrial Standards: Manufactured strictly in accordance with ISO and ANSI parameters to guarantee seamless interchangeability.
- Advanced PVD Technology: PC5300 grade formulation significantly enhances thermal shock resistance and edge durability in stainless steel turning.
- Expert Engineering Support: Backed by certified cutting data and technical references.
8. Frequently Asked Questions
Q: What is the difference between TPGH110302L and TPG 221.2L?
A: TPGH110302L is the metric ISO standard designation, while TPG 221.2L is its exact imperial ANSI equivalent. Both denote identical physical dimensions and left-hand configurations.
Q: How many pieces are included in each order?
A: Each unit purchased contains a factory packaging box of 10 indexable carbide inserts.
Q: Is PC5300 grade specifically recommended for stainless steel machining?
A: Yes, PC5300 is a specialized PVD coated grade optimized for stainless steel and alloy steel turning due to its high resistance to thermal cracking and notch wear.
Grade Comparison: PC5300 PVD grade provides superior thermal shock resistance and toughness for stainless steel turning compared to standard coated grades.
Equivalent Models: Fully interchangeable with standard ISO TPGH 110302L and ANSI TPG 221.2L turning inserts.
Troubleshooting: If notch wear occurs on stainless steel, ensure adequate coolant delivery and verify that feed rates do not fall below minimum recommendations.
Workpiece Material Matrix: Certified operational performance across ISO M (Stainless Steel) and ISO P (Alloy & Carbon Steels).
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.