Sumitomo 19RBWF7 Turning Insert VNMG432 AC830P Carbide

Product Description

The SUMITOMO 19RBWF7 is a solid carbide coated turning insert in the VNMG432ENZ geometry with AC830P grade designation. It features a 35-degree diamond (rhombic) insert shape, a neutral hand orientation, and a CVD coating process. The inscribed circle measures 0.5 inches, the insert length is 0.8701 inches, and the corner radius is 0.03125 inches. With a negative rake and negative side clearance, this insert is engineered for controlled chip formation during steel and stainless steel turning operations. It is installed by machinists and CNC lathe operators in production and job-shop environments.

This insert is designed for light to medium machining applications on steel and stainless steel workpieces. The AC830P grade provides moderate wear resistance and toughness, making it suitable for a range of cutting conditions from moderate to high-toughness requirements on P and M material groups. The ENZ chip breaker geometry supports consistent chip control across both light and medium depths of cut in turning operations on CNC lathes and manual turning centers.

Key Features

• VNMG432ENZ geometry with 35-degree diamond insert shape for high-precision turning
• AC830P grade with CVD coating for extended tool life on steel and stainless steel
• ENZ chip breaker supports light and medium machining operations
• Negative rake and negative side clearance for stable insert seating under load
• Compatible with clamp and pin insert holding methods
• Meets ANSI and ISO 13399 standards; ISO code VNMG220408N-UZ

Compatibility

Designed for use in VNMG-style turning tool holders that accept 432 size code inserts with clamp or pin retention. Suitable for machining steel (P material group) and stainless steel (M material group) workpieces. Material grades C5, C5A, and C6 apply.

Installation Notes

Installation is performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and all energy is locked out before changing inserts. Seat the insert fully against the pocket and pocket shim before engaging the clamp or pin. Do not exceed the recommended depth of cut or feed rate for the ENZ chip breaker geometry, as overloading can cause insert fracture.