MCMNN1616H12-80 External Tool Holder – 50° Cutting Angle, Multi-Lock Design, Reliable Performance
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BEYOND MCMNN1616H12-80 External Cylindrical Turning Tool MCMNN 1616 MCMNN 1616 H12 CNC Lathe Cutting Carbide Inserts CNMG1204 CNMG
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MCMNN1616H12-80 Information Overview
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Overview
Introducing the MCMNN1616H12-80 External Tool Holder, engineered for precision and efficiency in CNC machining applications. With a cutting edge angle of 50° and a relief angle of 0°, this tool holder excels in delivering smooth, accurate cuts. The M-type multi-lock system ensures exceptional stability, while its compact dimensions—16mm shank width, 16mm shank length, and 100mm total length—make it ideal for various machining centers and CNC lathes. Compatible with blades such as CNMG120402 and CNMG120404, it offers versatility for diverse machining tasks.
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Dimensions and Specifications of MCMNN1616H12-80 turning tool holders
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Features and Specifications
- Model: MCMNN1616H12-80
- Package Includes: MCMNN1616H12-80 Tool Holder and compatible Shim,Pin,Clamp, Screws, and Wrenches
- 50° cutting edge angle and 0° relief angle.
- Type: M-Type ((multi-lock system)
- Shank width: 16mm
- Shank length: 16mm
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Total Length: 100mm
- Shim:MC1204
- Pin:CTM617
- Clamp:HL1813
- Screw : ML0625
- Wrench: L3.0
- Compatible Blades: CNMG120402 CNMG120404 CNMG120408 CNMG120412 CNMG431 CNMG432 CNMG433
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5-Point Description
- Precision Cutting Angle: The 50° cutting edge angle optimizes performance, providing clean and precise cuts across various materials.
- Secure Multi-Lock System: The robust M-type multi-lock design enhances tool stability, reducing vibrations and improving overall machining accuracy.
- Compact and Durable: With a shank width of 16mm and a total length of 100mm, this tool holder is built for strength and longevity in demanding environments.
- Wide Blade Compatibility: Compatible with multiple blades including CNMG120402 and CNMG120404, allowing for flexible application in different machining scenarios.
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All-Inclusive Package: Comes complete with necessary components—shim, pin, clamp, screw, and wrench—ensuring easy setup and optimal performance from day one.


Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.