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Indexable inserts

CNC Turning Inserts

Standard geometries for turning, finishing, profiling and roughing

The Qeviora range brings together widely used CNC turning insert designations: CNMG, DNMG, TNMG, SNMG and VNMG. Each family may include several chipbreakers, grades and coatings selected according to workpiece material, setup stability and the required surface finish.

Indicative data — technical validation required

Qeviora CNC insert range CNMG, DNMG, TNMG, SNMG, VNMG and APKT

Designations

Choose a geometry

Five ISO turning families and one APKT insert presented separately for indexable milling.

Qeviora visual sheet for CNMG turning insert

CNMG

CNMG

80° negative rhombic insert widely used for longitudinal turning, facing, semi-finishing and medium roughing. Its robust geometry is suited to stable setups and provides several usable cutting edges depending on the toolholder.

Example: CNMG 120408

  • C: 80° rhombic
  • N: 0° clearance, negative insert
  • M: tolerance class
  • G: clamping / geometry type
  • 12: nominal size
  • 04: thickness
  • 08: 0.8 mm nose radius

Applications

  • Longitudinal turning
  • Facing
  • Semi-finishing
  • Medium roughing
Qeviora codeCoatingISOVc m/minf mm/revPedir
QP4225CVD goldP140–2200.12–0.35
QM2015PVD bronzeM90–1600.1–0.28
QK1010PVD anthraciteK160–2600.12–0.35
QN0520Polished / uncoatedN300–9000.08–0.3

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

Qeviora visual sheet for DNMG turning insert

DNMG

DNMG

55° negative rhombic insert suited to profiling, finishing and operations requiring better accessibility than a CNMG insert.

Example: DNMG 150608

Applications

  • Profiling
  • Versatile turning
  • Finishing
  • Semi-finishing
Qeviora codeCoatingISOVc m/minf mm/revPedir
QP4215CVD goldP150–2300.1–0.3
QM3215PVD bronzeM90–1500.08–0.22
QK1110PVD anthraciteK170–2600.1–0.3
QS2310PVD nanoS50–900.06–0.18

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

Qeviora visual sheet for TNMG turning insert

TNMG

TNMG

60° negative triangular insert offering good versatility in general turning and several usable cutting edges.

Example: TNMG 160408

Applications

  • General turning
  • Facing
  • Profiling
  • Semi-finishing
Qeviora codeCoatingISOVc m/minf mm/revPedir
QP4225CVD goldP150–2400.12–0.32
QM2215PVD bronzeM100–1600.1–0.25
QK3310PVD anthraciteK170–2800.12–0.32
QN0515Polished / uncoatedN350–9500.1–0.35

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

Qeviora visual sheet for SNMG turning insert

SNMG

SNMG

Robust 90° negative square insert mainly intended for roughing, high chip loads and rigid setups.

Example: SNMG 120408

Applications

  • Roughing
  • Stable longitudinal turning
  • High depths of cut
  • Moderate interrupted cut depending on grade
Qeviora codeCoatingISOVc m/minf mm/revPedir
QP4415CVD goldP120–2100.18–0.45
QM2415PVD bronzeM80–1400.14–0.35
QK1410PVD anthraciteK150–2500.18–0.45
QS2315PVD nanoS45–800.1–0.25

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

Qeviora visual sheet for VNMG turning insert

VNMG

VNMG

35° negative rhombic insert designed for finishing, precision profiling and access to narrow features. Its tip is less robust than a CNMG or DNMG and requires a stable setup.

Example: VNMG 160404

Applications

  • Finishing
  • Profiling
  • Low depths of cut
  • Complex geometries
Qeviora codeCoatingISOVc m/minf mm/revPedir
QP4210CVD goldP160–2400.06–0.22
QM2210PVD bronzeM100–1700.05–0.18
QK1210PVD anthraciteK180–2700.06–0.22
QH0610PVD nanoH45–850.03–0.12

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

Milling application
Qeviora visual sheet for APKT indexable milling insert

APKT Insert for Indexable Milling

The APKT designation refers to a positive insert commonly used in indexable milling cutters for face milling, contouring, shoulder milling and other versatile milling operations.

Example: APKT 1604

Applications

  • Shoulder milling
  • Face milling
  • Contouring
  • Slotting depending on cutter
  • Versatile milling
Qeviora codeCoatingISOVc m/minfz mm/toothapPedir
QP4215CVD goldP120–2200.08–0.2per cutter
QM2215PVD bronzeM70–1400.06–0.16per cutter
QK1210PVD anthraciteK140–2400.08–0.22per cutter
QN0515Polished / uncoatedN250–6000.1–0.3per cutter
QS2610PVD nanoS35–700.04–0.12per cutter

APKT values depend strongly on cutter diameter, tooth count, lead angle, overhang, radial engagement and axial depth of cut.

Indicative starting values. Adjust parameters to the exact workpiece grade, hardness, chipbreaker, nose radius, depth of cut, setup rigidity, machine power, toolholder and coolant strategy. Trial validation is mandatory before final commercial publication.

ISO material groups

Classification cues to guide grade and coating selection.

PsteelsMstainless steelsKcast ironsNaluminum and non-ferrousStitanium and superalloysHhardened steels

Coating families

Provisional visual families. Exact chemical composition remains to be confirmed by supplier certificate.

  • CVD gold

    Wear resistance for stable applications.

  • PVD bronze

    Balance of toughness and wear resistance.

  • PVD anthracite

    Thermal stability and targeted material use.

  • PVD nano

    Toughness and finishing depending on grade.

  • Polished / uncoated

    Aluminum and non-ferrous materials.

Technical warning: visuals, designations and parameters are indicative only. They are not a guarantee of performance, stock, lead time or validated chemical composition.

turning-inserts

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