MITSUBISHI TNMG160404MA US735 Triangle Insert for Stainless Steel Turning with PVD Coating and MA Chipbreaker

The MITSUBISHI TNMG160404MA US735 is a 60° triangular negative indexable carbide turning insert from MITSUBISHI (Japan), optimized for medium turning, profiling, and facing in stainless steel, carbon steel, and alloy steel. It features a 0.4 mm corner radius, MA chipbreaker for stable chip control, and US735 PVD-coated grade for excellent wear and heat resistance in stainless steel machining.

• Brand: MITSUBISHI (Mitsubishi Materials, Japan)
• Model: TNMG160404MA
• Grade: US735 (PVD coated)
• Shape: 60° Triangle (T-type), negative rake, with hole
• Size Code: 160404 (9.525mm IC, 4.76mm thick, 0.4mm corner radius)
• Chipbreaker: MA (for medium cuts, good finish & chip control)
• Coating: PVD (TiAlN), high oxidation resistance
• Edges: 6 usable cutting edges
• Application: External turning, profiling, facing, medium machining

• Stainless steels (304, 316, 420) – primary
• Carbon steels (1045, S45C, A3)
• Alloy steels (4140, 40Cr, HRC < 45)
• Cast iron (HT200, HT250)
• Heat-resistant alloys (light cuts)

• CNC external turning & profiling of stainless steel parts
• Medium turning (semi-finishing to finishing)
• Facing, copy machining, and contour turning
• Automotive, medical, and general mechanical components
• Recommended wet cutting (Vc: 120–200 m/min for steel)

• US735 grade: PVD coating optimized for stainless steel, excellent anti-wear & anti-adhesion
• MA chipbreaker: Balanced chip control for medium cuts, low cutting force
• 6 usable edges: Cost-effective, long tool life
• MITSUBISHI quality: Japanese precision, consistent mass production performance
• Versatile: Ideal for stainless steel, also works on carbon/alloy steel