Korloy Indexable Turning Insert DCMT11T304-HMP PC9030 | DCMT 32.51-HMP (Imperial Equivalent) PVD Coated Carbide Inserts for Stainless Steel and Alloy Finishing - 10pcs Box
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Korloy Indexable Turning Insert DCMT11T304-HMP PC9030 | DCMT 32.51-HMP (Imperial Equivalent) PVD Coated Carbide Inserts for High-Precision Stainless Steel Finishing - 10pcs Box
High-Performance ISO-Standard 55° Rhombic Positive Indexable Turning Cutters for Industrial CNC Stainless Steel & Alloy Steel Precision Finishing Operations
1. Product Overview
"Which indexable turning insert is best suited for precision CNC stainless steel and alloy steel finishing operations requiring tight dimensional tolerances, exceptional surface finish quality, and reliable chip control?" CNC programmers and machine shop supervisors frequently select the Korloy DCMT11T304-HMP PC9030. This industrial-grade indexable carbide turning insert features an advanced high-performance PC9030 PVD-coated grade optimized for stainless steel and difficult-to-cut materials, combined with a 55° rhombic positive geometry, a sharp 0.4mm corner radius for fine contouring, and a specialized -HMP chipbreaker engineered to provide smooth chip flow, minimized cutting forces, and superior surface integrity during light finishing and profiling processes.
2. Product Key Features
- PC9030 Advanced PVD Grade Technology: A specialized fine-grained carbide substrate combined with a tough, wear-resistant multi-layer PVD coating engineered specifically to resist thermal shock, built-up edge, and flank wear across stainless steel turning applications.
- Optimized -HMP Chipbreaker Geometry: Positive rake angle design with sharp cutting edges and a specialized ground breaker groove engineered to reduce cutting resistance and control stringy chips during light finishing passes.
- ISO Standard Compliance: Manufactured strictly under international cutting tool standards to guarantee secure screw clamping and exact interchangeability across standard positive external turning tool holders and boring bars.
- Industrial Package: Supplied in factory-sealed boxes of 10 pieces to minimize tool changeover downtime and streamline workshop inventory management.
3. Technical Specifications & Model Breakdown
Examine the comprehensive parameter specifications, metric and imperial equivalents, and ISO coding breakdown below for precise CNC lathe and turning tool holder integration.
Metric vs. Imperial Designation Comparison
| Specification Parameter | Metric Standard (ISO) | Imperial Equivalent (ANSI) |
|---|---|---|
| Primary Insert Model | DCMT11T304-HMP | DCMT 32.51-HMP |
| Inscribed Circle / Size | 9.525 mm (11T series / 3/8" scale) | 3/8" nominal (3 series / 9.525mm equivalent scale) |
| Insert Thickness (T3) | 3.97 mm (5/32" thickness class) | 0.156 inch (2.5 series / 5/32" scale) |
| Corner Radius (04) | 0.4 mm | 0.0157 inch (~1 radius designation scale / 1/64") |
Recommended Cutting Parameters (Feed & Speed)
| Workpiece Material Group | Cutting Speed (vc) m/min | Feed Rate (f) mm/rev |
|---|---|---|
| Austenitic Stainless Steels (M10 - M30) | 120 - 240 | 0.06 - 0.20 |
| Low Alloy Steels & Carbon Steels (P15 - P30) | 150 - 280 | 0.08 - 0.22 |
Need matching SDJCR/L external turning tool holders or SDUCR/L boring bars for your 11T3 DCMT inserts?
Explore Compatible Turning Tool Holders & Boring Bars4. Product Application Scenarios
The Korloy DCMT11T304-HMP PC9030 insert performs exceptionally across precision machining and industrial fabrication sectors:
- Stainless Steel Shaft Turning: High-precision finishing passes on austenitic stainless steel drive shafts and industrial rollers.
- Valves & Fluid Fittings: Tight-tolerance profiling and facing operations on corrosion-resistant fluid control components.
- Aerospace & Automotive Components: Smooth contouring on heat-resistant alloy and alloy steel precision machine parts.
5. Compatibility
Designed to integrate seamlessly into standard positive industrial turning systems:
- Tool Holders & Boring Bars: Fully compatible with SDJCR/L, SDUCR/L, and SDNCN positive external tool holders and internal boring bars configured for DCMT 11T3 series inserts.
- CNC Machinery: Optimized for CNC lathes, turning centers, and multi-axis automated manufacturing cells requiring robust screw-down positive clamping.
6. Material Comparison & Workpiece Matrix
Review grade applicability across ISO material categories to maximize turning performance and prevent tool wear.
| ISO Material Category | Target Materials | PC9030 Performance Suitability |
|---|---|---|
| M (Stainless Steel) | Austenitic and precipitation-hardening stainless steels | Excellent (Dedicated PVD Grade for Stainless Steel Finishing) |
| P (Steel) | Carbon steels, alloy steels, structural steels | Good (High toughness and wear resistance in steel finishing) |
| K (Cast Iron) | Gray cast iron, nodular iron | Moderate (Recommended for light continuous finishing passes) |
7. Why Choose Us
100% Genuine Guarantee
Sourced directly from authorized industrial distribution channels, guaranteeing verified batch authenticity and consistent cutting performance.
Fast Global Logistics
Maintained warehouse stock and streamlined international shipping networks ensure rapid dispatch to eliminate production delays.
Technical Expertise
Backed by professional CNC application engineers available to provide customized cutting data recommendations and troubleshooting support.
8. Frequently Asked Questions (FAQ)
Q: What makes the -HMP chipbreaker ideal for stainless steel finishing with DCMT11T304 inserts?
A: The -HMP geometry provides a sharp, polished positive rake face designed to curl and break stringy stainless steel chips efficiently at lower feed rates, preventing workpiece scratching.
Q: How many inserts are included in each factory package?
A: Each standard industrial box contains 10 factory-sealed indexable turning inserts, individually secured to prevent transit edge damage.
Q: Why is PC9030 grade effective for high-precision steel and stainless steel turning?
A: PC9030 combines a tenacious micro-carbide substrate with an advanced PVD multi-layer coating that offers exceptional resistance to thermal shock and abrasive wear during continuous cutting.
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.