MTGNR2525M16 Turning Tool Holder

The MTGNR2525M16 Turning Tool Holder is a robust external toolholder designed for triangular negative inserts (TNMG 16 series). With a strong 25×25 mm shank, the MTGNR2525M16 Turning Tool Holder provides maximum rigidity and secure clamping for reliable cutting in medium to heavy-duty turning operations. Built with a lever-lock system, the MTGNR2525M16 Turning Tool Holder ensures firm seating of inserts, reducing vibration and delivering consistent machining results on steels, stainless steels, and cast irons.

Engineered for use with TNMG 16 inserts, this toolholder offers a 95° approach angle, making it versatile for external turning and facing. The negative rake design allows multiple cutting edges per insert, extending tool life and improving cost efficiency. This makes the MTGNR2525M16 a preferred choice for automotive, aerospace, and general engineering sectors where precision and durability are critical.

By combining rigidity, secure clamping, and compatibility with TNMG inserts, the MTGNR2525M16 provides machinists with excellent performance in both continuous and interrupted cutting conditions.

Code Breakdown

• M – Lever-lock clamping system

• T – Insert shape: 60° triangle (TNMG)

• G – Holder style with 95° approach angle

• N – Insert clearance: 0° negative relief

• R – Right-hand holder

• 2525 – Shank dimensions: 25×25 mm

• M16 – Seat size for TNMG 16 inserts

Key Features of the Tool Holder

• Rigid 25×25 mm shank for stability

• Designed for TNMG 16 negative inserts

• Lever-lock clamping ensures secure insert positioning

• 95° approach angle for OD turning and facing

• Reliable for steels, stainless steels, and cast irons

Equivalent Tool Holders (Other Brands)

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

• Seco: MTGNR 2525M16

• Kennametal: MTGNR 2525M16 KCTL

• Iscar: MTGNR 2525M16-D

Application Guidelines

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

• Use for external turning and facing

• Recommended for medium to heavy-duty machining

• Typical industries: automotive, aerospace, energy

For TNMG inserts and more turning toolholders, visit our Diamond Cut store.