HOFNEX

TNMG Steel Semi-Finishing Insert

Choose a model by insert shape, dimensions, chipbreaker, and grade; check the workpiece material and cutting conditions.

Model format

Geometry-chipbreaker HOFNEX grade; the full designation is retained when no separate chipbreaker is listed.

Chipbreaker and grade

The chipbreaker identifies chip-control geometry; the grade identifies the material/coating configuration. Select by the listed application.

Specification selection

Check dimensions, workpiece material and machining stage. For threading, also check thread form, pitch and internal/external use.

Model and specification examples

• TNMG160412-HPM HP9220 — Nose Radius RE 1.2 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm
• TNMG160412-HPM HP9210 — Nose Radius RE 1.2 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm
• TNMG160408-HPM HP9220 — Nose Radius RE 0.8 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm
• TNMG160408-HPM HP9210 — Nose Radius RE 0.8 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm
• TNMG160404-HPM HP9220 — Nose Radius RE 0.4 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm
• TNMG160404-HPM HP9210 — Nose Radius RE 0.4 mm, Inscribed Circle IC 9.525 mm, Thickness S 4.76 mm, Hole Diameter D1 3.81 mm, Cutting-Edge Length LE 16.5 mm