ZCC.CT CCMT120408-HM YBM251 Carbide Turning Inserts for Stainless Steel
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ZCC.CT CCMT120408-HM YBC151: Precision Turning Inserts for Steel
Product Overview
"Which insert grade is most efficient for high-speed continuous turning of carbon steel and alloy steel to achieve a superior surface finish?"
The ZCC.CT CCMT120408-HM YBC151 is a premier turning insert engineered for the P-group (Steel) materials. The YBC151 grade features a thick Al2O3 and TiCN CVD coating on a high-strength substrate, offering extreme hardness and thermal stability during high-speed operations. Coupled with the HM (Medium) chipbreaker, it provides exceptional versatility for medium machining, ensuring stable chip breaking and reducing cutting forces in both internal and external turning applications.
Key Features
- Premium YBC151 CVD Grade: Designed for high-speed finishing and semi-finishing of steel with excellent crater wear resistance.
- HM Universal Chipbreaker: Optimized for medium cutting depths, providing consistent chip control and reducing "bird-nesting" issues.
- High-Speed Stability: Advanced coating technology allows for higher cutting speeds (Vc), increasing overall productivity.
- Double-Sided Durability: Precision-engineered edges ensure predictable tool life and high surface integrity.
Technical Specifications
ISO Model Breakdown (CCMT 120408-HM)
80° Diamond
7° Relief
Tolerance
Hole/Chipbreak
12.9mm Edge
4.76mm Thick
0.8mm Radius
Medium Cut
| Metric Model | ANSI/Imperial Equivalent |
|---|---|
| CCMT120408-HM | CCMT 432-HM |
Recommended Cutting Data
| Workpiece Material | Cutting Speed (Vc) | Feed rate (fn) |
|---|---|---|
| Carbon Steel (P10-P25) | 220 - 450 m/min | 0.15 - 0.45 mm/rev |
| Alloy Steel | 180 - 380 m/min | 0.10 - 0.35 mm/rev |
Holder Compatibility
Designed for External and Internal Boring Operations:
Fits all standard S-Type screw-clamping tool holders.
Applications
The CCMT 120408-HM is the industrial choice for Medium Machining and Finishing of steel in:
ZCC.CT Grade Comparison (Steel)
| Grade | Working Condition | Core Advantage |
|---|---|---|
| YBC151 | High Speed / Continuous | Extreme Wear Resistance |
| YBC251 | General Purpose / Universal | Balanced Performance |
Customer Feedback
"Excellent Surface Finish"
"Used YBC151 on alloy steel. The surface finish is mirror-like. Tool life is very stable at high speeds."
— Markus R., Germany
"Consistent Quality"
"These inserts outperform many premium brands on our CNC lathe. The HM chipbreaker works perfectly for our medium cuts."
— Robert T., USA
"Great Performance"
"Good chip control and heat resistance. We've seen a significant reduction in tooling costs in our shop."
— Luca M., Italy
"Reliable and Productive"
"Process stability is key for us. The CCMT 120408-HM provides predictable tool wear every time."
— Kenji S., Japan
Frequently Asked Questions
Q: Can YBC151 be used for interrupted cuts?
A: YBC151 is optimized for stable, continuous high-speed cutting. For interrupted cuts, we recommend using YBC251 for better toughness.
Q: Is this insert suitable for stainless steel?
A: While it can cut stainless, the YBM series (like YBM151 or YBM251) is specifically optimized for M-group materials to prevent built-up edge.
Q: When should I choose the HM chipbreaker over HF?
A: Choose HM for general-purpose medium machining. Choose HF if your primary focus is high-precision finishing with smaller cutting depths.
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.