ZCC.CT CNMG120408-PM YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT CNMG120408-PM YBM251: Industrial Carbide Turning Insert
Product Overview
The ZCC.CT CNMG120408-PM YBM251 is a high-performance turning insert specifically engineered for Stainless Steel (ISO M). Featuring the PM chipbreaker geometry, it offers exceptional chip control during medium-range cutting operations. The YBM251 grade utilizes an advanced CVD coating on a high-toughness substrate, ensuring stability even under fluctuating cutting temperatures and interrupted cuts.
Key Features
- ✔ Enhanced Thermal Stability: The CVD coating reduces chemical wear and heat buildup at the cutting edge.
- ✔ PM Chipbreaker Geometry: Designed for stable chip breaking in a wide range of feed rates and depths of cut.
- ✔ Grade YBM251: A balanced combination of wear resistance and toughness for general-purpose stainless machining.
Technical Specifications
Nomenclature Breakdown:
80° Rhombic
0° Relief
Tolerance
Hole/Chip
Edge 12.9mm
Thick 4.76
Radius 0.8
Chipbreaker
| Standard | Model Designation |
|---|---|
| Metric (ISO) | CNMG120408-PM |
| Imperial (ANSI) | CNMG 432-PM |
Recommended Cutting Data
| Material Group | Cutting Speed (Vc) m/min | Feed Rate (fn) mm/rev |
|---|---|---|
| Austenitic Stainless (304/316) | 140 - 240 | 0.15 - 0.50 |
| Duplex Stainless Steel | 80 - 160 | 0.15 - 0.40 |
Compatible External Tool Holders:
MCLNR/L 2020K12 | MCLNR/L 2525M12 | PCLNR/L 2525M12
View Compatible HoldersApplications & Compatibility
This insert is the primary choice for medium-duty turning in industries such as Aerospace, Oil & Gas, and Automotive. It is optimized for CNC Lathes and Turning Centers from manufacturers such as Mazak, Haas, DMG Mori, and Okuma.
ZCC.CT Grade Comparison
| Grade | Application Range |
|---|---|
| YBM151 | Finishing to light medium cutting at high speeds. |
| YBM251 | General purpose medium cutting; best balance of toughness/wear. |
| YBM351 | Roughing to heavy-duty interrupted cuts. |
Why Machine Shops Trust Us
We provide authentic ZCC.CT products directly from certified industrial supply chains, ensuring precision and reliability for your production line.
"The YBM251 grade is remarkably stable on duplex steel. Excellent tool life."
- Mark S., USA
"Ottima qualità. Rapporto qualità-prezzo imbattibile per l'acciaio inox."
- Giovanni R., Italy
"PMブレーカーの切りくず処理能力は非常に高いです。"
- Kenji T., Japan
FAQ - Frequently Asked Questions
Q1: Is the PM chipbreaker better than a general purpose one?
The PM is specifically optimized for medium turning of stainless steel, providing better chip evacuation than standard geometries.
Q2: Can I use this for dry cutting?
While the CVD coating handles heat well, we recommend using coolant when machining stainless steel to avoid chip welding.
Need Help With ZCC.CT Inserts?
Looking for a ZCC.CT 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 ZCC.CT 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.