10pc Kyocera WNMG080404PMG CA125P – Turning Insert (Medium-Roughing, PMG Chipbreaker)

Kyocera WNMG080404PMG CA125P – Turning Insert (10 pcs Medium-Roughing, PMG Chipbreaker)

The Kyocera WNMG080404PMG CA125P is a negative-type trigon turning insert engineered for medium to roughing operations in steel machining. It combines the CA125P CVD-coated carbide grade, optimized for excellent wear resistance and fracture toughness under continuous to interrupted cutting, with the PMG chipbreaker, which ensures stable chip control across a wide machining window. Together, they provide reliable machining performance, extended tool life, and reduced cutting force in demanding conditions.

Key Features & Benefits

• CA125P Grade: First choice for steel machining. Demonstrates high fracture resistance and reduced crater wear compared to conventional competitor inserts.
• PMG Chipbreaker: Step-breaker geometry suppresses chip entanglement at large depths of cut while maintaining chip control at small depths.
• Tool Life: Internal Kyocera evaluations show longer stable tool life versus competitor inserts under interrupted cutting.
• Stable Performance: Maintains consistent edge condition and reliable chip evacuation across medium-to-roughing operations.

Applications

• Medium-to-roughing operations in steels such as SCM435, SCr420, and other alloy steels.
• Automotive and industrial machining of shafts, gears, bolts, and general steel components.
• Effective under wet cutting with catalog examples of Vc = 190–300 m/min, ap up to 5.0 mm, f = 0.1–0.5 mm/rev.

Technical Specifications

• Designation / Order Code: WNMG080404PMG 
• Insert Type: Negative, 80° trigon
• Inscribed Circle (IC): 12.70 mm
• Thickness: 4.76 mm
• Hole Diameter: 5.16 mm
• Corner Radius (RE): 0.4 mm
• Grade: CA125P (CVD coated carbide)
• Chipbreaker: PMG – Medium-Roughing
• Pack Size: 10 pieces