TUNGALOY Diamond Turning Insert: CNMG 431 HMM AH905 (MPN 6859381)

This TUNGALOY diamond turning insert is used for precision machining of hard and abrasive materials, such as ceramics, composites, and non-ferrous metals. It is commonly applied in automotive, aerospace, and general manufacturing for finishing operations where tight tolerances and superior surface finish are required.

The TUNGALOY CNMG 431 HMM AH905 insert has the manufacturer part number 6859381 and is classified as a diamond indexable turning insert. Its geometry is CNMG 431 with a HMM chipbreaker and AH905 grade, designed for high-precision turning on hard materials. Always verify dimensions with your tool holder.

You can source TUNGALOY CNMG 431 HMM AH905 inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time; we supply genuine TUNGALOY tooling for demanding machining applications.

To select the correct TUNGALOY diamond turning insert, match the insert shape, size, and thickness to your tool holder's pocket. The CNMG 431 HMM AH905 is a 55° rhombic insert with a 3/8-inch inscribed circle. Verify your holder's clamping system and clearance angle. For hard materials, the AH905 grade offers wear resistance and edge strength.