ZCC.CT CCMT09T304-53 YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT CCMT09T304-53 YBM251: High-Performance Stainless Steel Machining
Product Overview
The ZCC.CT CCMT060204-53 YBM251 is a specialized industrial-grade insert engineered for M-group (Stainless Steel) applications. The YBM251 grade features a unique CVD coating with a smooth surface that reduces friction and heat generation—the primary enemies of stainless steel machining. Equipped with the 53 chipbreaker, this insert provides a reinforced cutting edge that stabilizes chip formation in semi-finishing operations, ensuring high dimensional accuracy and superior tool life in austenitic and duplex stainless steels.
Key Features
- Advanced YBM251 Grade: Specifically optimized for thermal shock resistance and anti-adhesion properties.
- 53 Roughing/Semi-Finishing Geometry: A versatile chipbreaker that excels in varying depths of cut (DOC).
- Nano-CVD Coating: Enhances surface hardness while maintaining the toughness of the carbide substrate.
- Superior Heat Dispersion: Engineered to handle the low thermal conductivity of stainless steel.
Technical Specifications
ISO Designation Decoding
80° Diamond
7° Relief
Tolerance
Hole/Slot
9.7mm Edge
3.97mm Thick
0.4mm Rad
Chipbreaker
| Measurement System | Model Designation | I.C. (Inscribed Circle) |
|---|---|---|
| Metric (ISO) | CCMT09T304-53 | 9.525 mm |
| Imperial (ANSI) | CCMT 32.51-53 | 3/8" |
Recommended Parameters for YBM251
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Stainless Steel (M) | 150 - 260 m/min | 0.10 - 0.35 mm/r |
Compatible Tool Holders (S-Type):
Applications & Compatibility
Specifically optimized for semi-finishing to roughing operations in stainless steel alloys including:
ZCC.CT Grade Comparison (Stainless Steel)
| Grade | Condition | Primary Use |
|---|---|---|
| YBM151 | Continuous | Finishing / High Speed |
| YBM251 | Semi-Interrupted | Universal Semi-Finishing |
Customer Feedback
"Best for 316 Stainless"
"Using YBM251 in our German job shop. Extremely stable edge and finally found an insert that doesn't melt in 316."
— Lukas M., Germany
"Cost-Effective Precision"
"Performance matches high-end Japanese inserts at a fraction of the cost. The 53 chipbreaker is a lifesaver for stringy chips."
— John R., USA
"Ottimo prodotto"
"Spedizione veloce e inserti di ottima qualità per acciai inossidabili."
— Pietro V., Italy
FAQ - Technical Support
Q: Can YBM251 be used for dry machining?
A: While the CVD coating is heat resistant, we highly recommend high-pressure coolant when machining stainless steel to prevent work hardening and adhesion.
Q: What is the benefit of the 53 chipbreaker?
A: It is a reinforced geometry that balances edge strength with sharpness, making it ideal for the varying DOCs found in semi-finishing.
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.