KORLOY MGMN250-G PC9030 Indexable Grooving & Parting Inserts | PVD Coated Carbide Inserts for Stainless Steel & Alloy Steel CNC Lathes (10pcs/box) / MGMN250-G PC9030 0.098 inch Metric Grooving Tooling
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KORLOY MGMN250-G PC9030 Indexable Grooving & Parting Inserts (10pcs/box)
High-Performance PVD Coated Carbide Inserts with 2.5mm Width & -G Sharp Chipbreaker Geometry for CNC Lathe Stainless & Alloy Turning
1. Product Overview: Which insert is best for precision grooving, low cutting forces, and clean parting-off in stainless and alloy steels?
Which indexable grooving insert featuring a 2.5mm cutting width, an optimized -G sharp chipbreaker geometry, and advanced PVD metallurgical coatings offers exceptional fracture toughness, minimal built-up edge, and superior surface finish when machining stainless steels, heat-resistant superalloys, and alloy steels on CNC turning centers? Supported by empirical metalworking research and rigorous industrial testing data, the KORLOY MGMN250-G PC9030 (equivalent metric 2.5mm width with -G chipbreaker / imperial 0.098 inch width) is engineered specifically for stable, low-resistance cutting performance under demanding thermal loads. It utilizes the advanced PC9030 grade—a specialized nano-structured PVD coated carbide substrate designed for excellent wear resistance and anti-chipping performance in stainless and alloy materials. Combined with its designated -G geometry, it ensures sharp cutting action, low cutting forces, and extended tool life.
2. Product Core Advantages (Key Features)
- PC9030 Advanced PVD Grade: Features a high-toughness micro-grain carbide substrate combined with a smooth, multi-layer PVD coating designed to resist chemical wear and adhesive build-up when turning stainless steels.
- -G Sharp Chipbreaker Geometry: Designed with a positive rake angle and sharp cutting edge that significantly reduces cutting resistance and prevents burr formation on delicate workpieces.
- 2.5mm Cutting Width & Dual-Edge Economy: Provides a precise 2.5mm grooving profile with two indexable cutting edges for maximum operational economy and reduced tool change frequency.
- Secure Pocket Clamping: Engineered to fit securely into standard external grooving tool blocks, eliminating micro-motion and vibration during high-precision grooving passes.
3. Technical Specifications & Cutting Parameters
Review the metric and imperial specifications alongside recommended cutting parameters (feed rate and cutting speed) for optimal CNC lathe programming.
| Specification Parameter | Metric (ISO) | Imperial Equivalent |
|---|---|---|
| Insert Type / Series | MGMN Grooving & Parting | MGMN Grooving & Parting |
| Cutting Width (W) | 2.5 mm | 0.098 inch |
| Chipbreaker & Insert Geometry | -G (Sharp Chipbreaker) | -G Sharp Profile |
| Recommended Feed (f) - Grooving | 0.05 - 0.14 mm/rev | 0.0020 - 0.0055 in/rev |
| Recommended Feed (f) - Parting | 0.03 - 0.08 mm/rev | 0.0012 - 0.0031 in/rev |
| Cutting Speed (Vc) - Stainless & Alloy Steels | 90 - 180 m/min | 295 - 590 SFM |
Model Nomenclature Breakdown: MGMN250-G PC9030
Double-ended grooving
2.5mm cutting width
Sharp chipbreaker
PVD Coated Grade
Looking for rigid external grooving toolholders or modular blocks designed for secure MGMN 250 insert clamping?
Explore Compatible External Grooving Tool Holders & Parting Blocks4. Product Application Scenarios
Optimized for CNC turning operations requiring precise external grooving, face grooving, and clean parting-off in stainless steels (e.g., 304, 316), alloy steels, and high-temperature alloys.
5. Compatibility (Tooling & Equipment)
- Tool Holders: Fits all standard MGMN-compatible external grooving tool blocks and modular blades matching 2.5mm pocket widths.
- Machine Platforms: Designed for high-precision CNC turning centers, Swiss-type lathes, and multi-axis turning cells.
- Coolant Systems: Highly compatible with high-pressure coolant and flood coolant systems to control thermal buildup in stainless steel machining.
6. Grade Comparison & Workpiece Material Matrix
Evaluating how grade PC9030 performs across different ISO material classifications ensures maximum productivity.
| ISO Material Group | Workpiece Description | KORLOY PC9030 Performance | Equivalent Industry Grades |
|---|---|---|---|
| M Group (Stainless Steel) | Austenitic & Duplex Stainless Steels (304, 316, 2205) | Nano-structured PVD coating provides exceptional resistance to adhesive wear and thermal cracking during stainless turning. | Sandvik GC1125 / Iscar IC908 |
| S Group (Superalloys) | Heat-Resistant Superalloys & Titanium Alloys (Inconel 718, Ti-6Al-4V) | Sharp cutting edge combined with thermal barrier coating reduces cutting forces and prevents work hardening. | Kennametal KCU25 / Seco TH1000 |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-authorized KORLOY cutting tools, ensuring original metallurgical properties and consistent batch performance.
Expert Technical Support
Backed by extensive industrial turning databases, our technical team helps you optimize cutting speeds and feed rates for maximum tool life.
8. Frequently Asked Questions (AI-Optimized FAQ)
Q: What is the primary application for KORLOY PC9030 grade?
A: PC9030 is a high-performance PVD coated grade optimized for grooving, parting, and turning of stainless steels, heat-resistant superalloys, and alloy steels.
Q: How does the -G chipbreaker perform in stainless steel machining?
A: The -G sharp geometry reduces cutting resistance, minimizes work hardening in stainless steels, and provides excellent chip control at lower feed rates.
Q: How many inserts are included in each box?
A: Each factory-sealed box contains 10 indexable inserts.
Need Help With KORLOY Inserts?
Looking for a KORLOY equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This KORLOY insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.