KORLOY MGMN250-T PC5300 Indexable Grooving & Parting Inserts | CVD Coated Carbide Inserts for CNC Lathes (10pcs/box) / MGMN250-T PC5300 0.098 inch Metric Grooving Tooling
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KORLOY MGMN250-T PC5300 Indexable Grooving & Parting Inserts (10pcs/box)
High-Performance CVD Coated Carbide Inserts with 2.5mm Width & -T Chipbreaker Geometry for CNC Lathe Steel & Cast Iron Turning
1. Product Overview: Which insert is best for stable chip control, medium grooving, and parting in alloy and carbon steels?
Which indexable grooving insert featuring a 2.5mm cutting width, an integrated -T chipbreaker geometry, and specialized substrate offers superior chip curling control, thermal resistance, and edge stability when executing continuous grooving, necking, or parting-off on CNC turning centers machining alloy steels, carbon steels, and ductile cast irons? Backed by certified industrial metalworking data and ISO tooling standards, the KORLOY MGMN250-T PC5300 (equivalent metric 2.5mm width with -T chipbreaker / imperial 0.098 inch width) is engineered specifically for general-to-heavy turning operations requiring predictable chip breaking and high wear resistance. It incorporates the advanced PC5300 grade—a specialized CVD multi-layer coated carbide substrate optimized for heavy continuous cutting. Combined with its designated -T geometry, it effectively prevents long bird-nest chips and reduces cutting forces during high-speed feed passes.
2. Product Core Advantages (Key Features)
- PC5300 Advanced CVD Grade: Features a high-strength carbide substrate combined with a thick CVD multi-layer coating designed for exceptional wear resistance, high cutting speed capability, and extended tool life in steel and cast iron machining.
- -T Chipbreaker Geometry: Engineered with a positive rake design and specialized chip-forming grooves that deliver reliable chip evacuation and minimize workpiece surface scratching.
- 2.5mm Cutting Width & Dual-Edge Economy: Provides a robust 2.5mm width profile with dual-sided indexable cutting edges to maximize operational cost efficiency.
- Rigid Central Clamping Interface: Offers secure seating and high clamping stability in standard tool holders to eliminate micro-vibrations and chatter under heavy feed rates.
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 | -T (General Purpose Grooving) | -T Chipbreaker Profile |
| Recommended Feed (f) - Grooving | 0.05 - 0.15 mm/rev | 0.0020 - 0.0059 in/rev |
| Recommended Feed (f) - Parting | 0.04 - 0.10 mm/rev | 0.0016 - 0.0039 in/rev |
| Cutting Speed (Vc) - Alloy & Carbon Steels | 120 - 250 m/min | 394 - 820 SFM |
Model Nomenclature Breakdown: MGMN250-T PC5300
Double-ended grooving
2.5mm cutting width
Chipbreaker geometry
CVD Coated Grade
Looking for precision 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 involving external grooving, face grooving, necking, and parting-off across alloy steels, carbon steels, structural steels, and grey or ductile cast irons.
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-rigidity CNC turning centers, automatic lathes, and high-volume production lines.
- Coolant Systems: Fully compatible with flood coolant and high-pressure delivery systems to optimize chip evacuation and thermal stability.
6. Grade Comparison & Workpiece Material Matrix
Evaluating how grade PC5300 performs across different ISO material classifications ensures maximum machining productivity.
| ISO Material Group | Workpiece Description | KORLOY PC5300 Performance | Equivalent Industry Grades |
|---|---|---|---|
| P Group (Steel) | Alloy Steel, Carbon Steel (42CrMo, C45) | Thick CVD coating delivers exceptional wear resistance and high thermal capability for continuous steel turning. | Sandvik GC4325 / Kennametal KC9315 |
| K Group (Cast Iron) | Grey Cast Iron, Ductile Iron (HT250, QT500) | Strong thermal stability and abrasive wear resistance make it highly effective for cast iron grooving. | Seco TP2500 / Iscar IC8250 |
7. Why Choose Us
100% Guaranteed Authenticity
We supply factory-authorized KORLOY cutting tools, guaranteeing 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 function of the -T chipbreaker geometry?
A: The -T chipbreaker is designed to curl and break continuous chips into manageable segments, preventing bird-nesting and surface scratching during steel turning.
Q: Why choose the PC5300 CVD grade for 2.5mm width grooving?
A: PC5300 features a heavy-duty multi-layer CVD coating that provides excellent heat resistance and wear protection during high-speed steel and cast iron machining.
Q: How many inserts are included in a single 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.