ZCC.CT CNMG190608-PM YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT CNMG190608-PM YBM251: Heavy-Duty Stainless Steel Solution
Product Overview
The ZCC.CT CNMG190608-PM YBM251 is an industrial-grade turning insert engineered for the M-group (Stainless Steel) and heat-resistant alloys. Utilizing the YBM251 grade—a specialized CVD-coated substrate—it delivers an exceptional balance of wear resistance and edge strength. The PM (Medium-Duty) chipbreaker is designed for stable chip evacuation, effectively preventing the "gummy" build-up typical of stainless steel machining, even during high-depth cuts.
Core Advantages
- Robust 19mm Edge: Designed for large workpieces, providing the mass and heat dissipation required for heavy-duty CNC turning.
- YBM251 Toughness Grade: A specialized sub-micron substrate with multi-layer CVD coating for superior performance in interrupted cuts.
- Precision PM Geometry: Optimized cutting edge strength prevents chipping while maintaining low cutting forces.
- High Heat Resistance: Advanced TiCN + Al2O3 coating ensures long tool life in high-temperature machining zones.
Technical Specifications
ISO Model Decoding
80° Rhombic
0° Relief
Tolerance
With Hole
19.3mm Edge
6.35mm Thick
0.8mm Rad
Medium Duty
| Standard | Model Designation | I.C. (Inscribed Circle) |
|---|---|---|
| Metric (ISO) | CNMG190608-PM | 19.05 mm |
| Imperial (ANSI) | CNMG 642-PM | 3/4" |
Recommended Cutting Parameters
| Workpiece Material | Speed (Vc) m/min | Feed (fn) mm/rev |
|---|---|---|
| Stainless Steel (304/316) | 140 - 240 | 0.15 - 0.55 |
| Duplex Stainless Steel | 80 - 160 | 0.20 - 0.50 |
Directly Compatible Holders:
Applications & Compatibility
Engineered for high-torque CNC lathes and large-scale manufacturing components. Ideal for the Oil & Gas, Shipbuilding, and Large-Scale Valve industries. Fully compatible with ISO-standard 19-size turning tool holders on machines from Mazak, DMG Mori, Okuma, and Doosan.
ZCC.CT Grade Choice (Stainless Steel)
| Grade | Condition | Advantage |
|---|---|---|
| YBM151 | Finishing / High Speed | Surface Finish |
| YBM251 | General / Interrupted | Balanced Toughness |
Why Machinists Trust ZCC.CT
ZCC.CT is a world-class leader in cemented carbide production. We deliver Tier-1 quality with factory-direct competitive pricing, ensuring your CNC operations remain profitable and precise.
"Stability on Large Shafts"
"Used the CNMG1906 for 316L large shafts. The stability of the 19mm edge is night and day compared to smaller inserts."
— Mark J., USA
"Excellent Chip Control"
"The PM chipbreaker works wonders on gummy duplex stainless. No bird-nesting issues at all."
— Enzo R., Italy
"Sehr Zuverlässig"
"Gute Standzeit bei unterbrochenem Schnitt. YBM251 ist unser Standard für Edelstahl."
— Stefan B., Germany
Frequently Asked Questions
Q: Can this be used for dry machining?
A: While the CVD coating is heat-resistant, we highly recommend using high-pressure coolant when machining stainless steel to prevent work hardening and edge build-up.
Q: What is the difference between YBM251 and YBC251?
A: YBM series is optimized for Stainless Steel and Superalloys, whereas YBC is the primary choice for Steel (ISO P).
Q: Does this fit a standard 16-size holder?
A: No, this is a 19-size insert (CNMG 642) and requires a 19-series tool holder (e.g., MCLNR 3232P19).
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.