BEYOND MCBNL3232P19 Left-Hand External Turning Tool Holder | M-Type for CNMG1906
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MCBNL3232P19
Extreme Heavy-Duty 32mm Left-Hand M-Type Tool Holder
Brand: BEYOND | Origin: China | Maximum Stability for Large-Scale Turning
⚠️ ATTENTION: Tool holder includes all spare parts (Shim, Pin, Clamp, Screw). Inserts (Blades) are NOT included.
Product Overview
The BEYOND MCBNL3232P19 represents the peak of rigidity for left-hand turning operations. Engineered for high-load industrial environments, this 32mm square shank tool is built to hold the substantial CNMG1906 series inserts. Utilizing the M-Type Multi-lock system, it provides dual-directional clamping force (top clamp and center pin) to prevent insert movement under extreme cutting pressures. It is the definitive choice for heavy roughing of large diameter shafts and forged steel components.
Model Specification Decoder
Clamping: Multi-lock
Shape: 80° Diamond
Approach: 75°
Clearance: 0°
Hand: Left Hand
32x32mm Shank
Length: 170mm
Insert: CNMG1906
Series Technical Parameters
Detailed specifications for the MCBNR / MCBNL heavy-duty series:
| Model (R/L Hand) | Compatible Insert | Shank(hxb) | Shim | Pin | Clamp | Screw | Wrench |
|---|---|---|---|---|---|---|---|
| MCBNR/L 3232P19 | CNMG 1906xx | 32 x 32 | MC1904 | CTM1025 | HL2724 | ML1035 | L5.0 |
| MCBNR/L 3232P16 | CNMG 1606xx | 32 x 32 | MC1604 | CTM822 | HL2217 | ML0830 | L4.0 |
| MCBNR/L 2525M16 | CNMG 1606xx | 25 x 25 | MC1604 | CTM822 | HL2217 | ML0830 | L4.0 |
| MCBNR/L 1616H12 / 2020K12 | CNMG 1204xx | 16x16 - 20x20 | MC1204 | CTM617 | HL1813 | ML0625 | L3.0 |
Recommended Machining Data
Forged Steel / Heavy Alloy (P)
Cutting Speed (Vc): 120 - 240 m/min
Feed Rate (fz): 0.35 - 0.95 mm/r
Large Cast Iron Parts (K)
Cutting Speed (Vc): 90 - 200 m/min
Feed Rate (fz): 0.40 - 1.00 mm/r
Metric vs. Imperial Comparison
| Metric Model: MCBNL3232P19 (32mm) | Imperial Equivalent: MCBNL 20-6E (1-1/4") |
| Metric Model: MCBNL2525M16 (25mm) | Imperial Equivalent: MCBNL 16-5D (1") |
| Metric Model: MCBNL4040R19 (40mm) | Imperial Equivalent: MCBNL 24-6F (1-1/2") |
Verified Industrial Feedback
⭐⭐⭐⭐⭐ "The MCBNL3232P19 is a monster. We used it for rough turning 500mm steel shafts. Rigidity is world-class." - Markus, Germany
⭐⭐⭐⭐⭐ "If you need a left-hand bar that won't chatter under a 6mm depth of cut, this is it. Great value for the size." - Robert, UK
⭐⭐⭐⭐ "Solid spare parts. The large shim provides excellent protection for the bar body." - Jason, Canada
⭐⭐⭐⭐⭐ "Exactly what our heavy workshop needed. High precision pocket for the CNMG19 inserts." - Liam, Australia
⭐⭐⭐⭐⭐ "Exceptional quality. BEYOND tool holders have reduced our downtime significantly." - S. Watanabe, Japan
Frequently Asked Questions (FAQ)
Q: Is this tool holder compatible with CNMG16 inserts?
A: No. This holder is specifically machined for CNMG1906 inserts. For CNMG16, please select the MCBNL3232P16 model.
Q: What is the benefit of the left-hand orientation?
A: Left-hand tools are required for specific CNC configurations, back-turning operations, or machines where the tool is mounted upside down for better chip evacuation.
Q: Does this holder require a specific coolant setup?
A: While it is a standard external holder, using external flood coolant is highly recommended during heavy roughing to maintain insert life.
Clamping System Quick Guide
Keywords: MCBNL3232P19, CNMG1906 Tool Holder, 32mm Left Hand Turning Tool, Extreme Roughing CNC, BEYOND Tools China, Industrial Lathe Tooling.
© BEYOND CNC Tools - Industrial Precision Engineering Solutions.
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.