- Maximum Rigidity: Prevents tool chatter and improves surface Ra quality.
- Durability: Hardened to 42-45 HRC to resist wear from chips and high heat.
- Precision Fit: Manufactured to strict ISO tolerances for perfect insert interchangeability.
- Looking to optimize your machining cycle? Our team can provide the best combination of tool holders and VNMG inserts tailored to your workpiece material.
DESCRIPTION
Product Detailed Description
Professional MVJNL2525M16 Turning Tool Holder
The MVJNL2525 M16 is a standard ISO external turning holder designed for left-hand machining operations. It is widely used in CNC lathes for processing steel, stainless steel, and cast iron.
Shank Size: 25mm x 25mm square shank.
Approach Angle (KAPR): 93°, allowing for perpendicular shoulder machining and intricate profiling.
Clamping System: M-Type (Multi-Lock). This system utilizes a top clamp and a dimple pin to ensure the insert remains perfectly stable under high cutting forces.
Compatible Inserts: Designed for VNMG1604 (ANSI: VNMG331/332) carbide or CBN inserts.
High-Performance Options
For heavy industrial use, we recommend professional-grade holders that offer superior vibration dampening and heat-treated durability:
MVJNL2525M16: Features premium 42CrMo alloy steel for extended tool life in demanding environments.
MVJNL2525M16: Known for extreme precision and a high-quality surface finish, ideal for precision engineering.
CNC Inserts - Frequently Asked Questions
1. How do I choose the right grade for my specific machining application?
Choosing the correct grade is crucial for tool life and performance. We provide a comprehensive Grade Cross-Reference Chart that maps our CD Carbide grades to major international brands like Sandvik, Mitsubishi, and Kyocera. If you are unsure, simply provide us with the workpiece material (P, M, K, S, H) and machining conditions, and our engineers will recommend the best solution.
2. Can you provide customized CNC tools based on our drawings?
Yes. As a factory-direct manufacturer, we specialize in bespoke engineering. Whether you need non-standard dimensions, specific chipbreakers, or customized coatings for unique alloys, our technical team can develop products based on your technical drawings (PDF/STEP) or physical samples.
3. Do you offer free samples for testing before bulk orders?
We understand that "trial cutting" is the only way to verify tool stability. We offer sample packs for professional buyers to test performance on their own CNC machines. Please contact our sales team with your machine specifications and the material you are processing to request your trial samples.
4. How do you ensure the quality consistency of your carbide inserts?
Our quality control is integrated into every step of the production process in Zhuzhou. We use high-purity tungsten carbide powder and advanced PVD/CVD coating equipment. Each batch undergoes rigorous inspection, including microscopic edge analysis and hardness testing, to ensure that the performance of the 1,000th insert is identical to the 1st.
5. What is the typical lead time for international B2B orders?
For standard models in stock (such as WNMG, CNMG, etc.), we usually ship within 3-5 business days. For customized tools or large-volume OEM orders, the production cycle typically ranges from 2 to 4 weeks, depending on the complexity of the design and coating requirements.
6. Are you a manufacturer or a trading company?
We are a direct manufacturing enterprise based in Zhuzhou, the hunan of China’s tungsten carbide industry. By cutting out the middleman, we provide factory-direct pricing and faster technical support. This allows us to offer more flexible MOQs (Minimum Order Quantities) for small-to-medium-sized distributors and specialized machine shops.
