MVVNN (72.5°)
MVVNN (72.5°)
The Cargo MVVNN 72.5° Turning Tool Holder is a precision external turning tool holder designed for CNC lathes and conventional lathe machines. Featuring a 72.5° approach angle and a multi-lock clamping system, this holder provides excellent chip control, reduced vibration, and stable cutting performance. It is engineered to hold standard VVNN / VNMG style negative indexable carbide inserts, making it a versatile and cost-effective solution for external turning and profiling across a wide range of materials.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Cargo MVVNN 72.5° Turning Tool Holder |
| Tool Type | External Turning Tool Holder |
| Approach Angle | 72.5° (optimized for chip flow and surface finish) |
| Insert Compatibility | VVNN / VNMG series negative indexable carbide inserts |
| Clamping System | Multi-Lock Clamp (secure insert holding) |
| Material | Hardened Alloy Steel |
| Finish | Precision Ground |
| Machine Compatibility | CNC lathes and conventional lathes |
| Insert Included | No (sold separately) |
| Hand Configuration | Left (L) and Right (R) available |
Typical Dimensional Variants
Cargo MVVNN holders are available in popular shank sizes to accommodate different CNC lathe setups. Typical variants include:
| Model Code | Shank Size (mm) | Overall Length (mm) | Compatible Insert | |
|---|---|---|---|---|
| MVVNN1616H16 | 16×16 | ~100 | VNMG1604 | |
| MVVNN2020K16 | 20×20 | ~125 | VNMG1604 | |
| MVVNN2525M16 | 25×25 | ~150 | VNMG1604 | |
| MVVNN3232P16 | 32×32 | ~170 | VNMG1604 | |
Key Features & Benefits
✔ 72.5° Cutting Angle — Balanced cutting forces and effective chip control for stable machining, especially suited for medium-duty turning.
✔ Secure Multi-Lock Clamping System — Minimizes insert movement and vibration under load for better finish and accuracy.
✔ Wide Insert Compatibility — Designed for standard VVNN/VNMG indexable carbide inserts which are widely stocked, reducing tooling cost and downtime.
✔ Durable Construction — Hardened alloy steel body ensures long service life and high rigidity.
✔ Versatile Applications — Suitable for external turning, profiling, facing, and general machining tasks on steel, stainless steel, cast iron, and non-ferrous metals.
✔ Left & Right Hand Flexibility — Available in both orientations to suit any lathe setup.
Recommended Compatible Inserts (Sold Separately)
Common negative indexable carbide inserts compatible with this holder include:
VNMG1604 / VNMG160408 / VNMG160412
These inserts offer multiple cutting edges and are suitable for medium-duty turning tasks.
Typical Industrial Uses
External turning of shafts, cylinders, and profiles
Facing and profiling work
General precision machining
CNC lathe production centers
Automotive, fabrication, and engineering workshops
Why Choose Cargo MVVNN 72.5° Turning Tool Holder?
✔ Optimum Cutting Geometry: The 72.5° approach angle enhances chip control and reduces cutting forces for stable machining.
✔ Secure and Reliable Clamp: Multi-lock design holds inserts firmly, reducing vibration and tool deflection.
✔ Standard Insert Support: Uses widely stocked VNMG/VVNN inserts, making replacements inexpensive and accessible.
✔ Industrial-Strength Build: Hardened steel construction delivers consistent performance in workshop environments.
✔ Versatile and Flexible: Available in both left and right hand orientations for all lathe setups.
Frequently Asked Questions (FAQ)
Q1: What type of insert does this holder use?
This holder supports standard VNMG/VVNN negative indexable carbide inserts.
Q2: Can this be used on CNC machines?
Yes, it is suitable for use on CNC turning centers and manual lathe machines.
Q3: Are carbide inserts included?
No — carbide inserts are not included and must be purchased separately.
Q4: What materials can be machined?
It is ideal for machining steel, stainless steel, cast iron, and non-ferrous metals.
Q5: Why use a 72.5° approach angle?
The 72.5° geometry provides a balanced cutting profile that improves chip flow and reduces tool force during turning operations.
