MVJNR2525M16 Turning Tool Holder

The MVJNR2525M16 Turning Tool Holder is a high-precision external lathe holder designed for VNMG 1606 negative inserts. With its rigid 25×25 mm shank, the MVJNR2525M16 Turning Tool Holder ensures excellent stability, reduced vibration, and consistent machining results in finishing and profiling applications. Built with a lever-lock clamping system, the MVJNR2525M16 Turning Tool Holder provides secure insert positioning and long service life, making it highly reliable for steels, stainless steels, and cast irons.

The V-shape geometry (35°) of the insert supported by this toolholder makes it ideal for fine turning, profiling, and finishing where precision is critical. The negative rake pocket design allows the use of multiple cutting edges per VNMG insert, improving cost efficiency. The 93° approach angle ensures versatility in external turning and facing operations while maintaining dimensional accuracy.

This toolholder is commonly applied in aerospace, automotive, and general machining industries where accuracy and surface quality are essential. Its robust construction, secure clamping, and compatibility with VNMG inserts make it a dependable choice for both continuous and slightly interrupted cuts.

Code Breakdown

• M – Lever-lock clamping system

• V – Insert shape: 35° diamond (VNMG)

• J – Holder style with 93° approach angle

• N – Insert clearance: 0° negative relief

• R – Right-hand cutting direction

• 2525 – Shank size: 25×25 mm

• M16 – Seat size for VNMG 1606 inserts

Key Features of the Tool Holder

• Rigid 25×25 mm shank for stability

• Compatible with VNMG 1606 negative inserts

• Lever-lock clamping for secure seating

• 93° approach angle for external turning and facing

• Optimized for finishing and profiling applications

Equivalent Tool Holders (Other Brands)

• Sandvik: MVJNR 2525M16-4325 (Sandvik official site)

• Seco: MVJNR 2525M16

• Kennametal: MVJNR 2525M16 KCTL

• Iscar: MVJNR 2525M16-D

Application Guidelines

• Compatible inserts: VNMG 160404, VNMG 160408, VNMG 160412

• Best suited for finishing and profiling

• Depth of cut up to 3.5 mm

• Typical industries: aerospace, automotive, precision engineering

For VNMG inserts and other toolholders, visit our Diamond Cut store.