Sumitomo’s New AC1030U Grade for High Precision Machining Features Latest Absotech Bronze PVD Coating

Sumitomo Electric Carbide, Inc.’s new AC1030U High Precision Small Parts Machining Grade combines “Absotech Bronze” PVD Coating and a special substrate for superior wear- and chipping-resistance. In addition, the high quality cutting edge of the AC1030U ensures excellent resistance against adhesion and micro chipping for improved surface finishes.

Sumitomo, AC1030U, Sumitomo Electric Carbide, Inc.Newly developed “Absotech Bronze” PVD Coating includes a smooth anti-chipping layer for excellent surface finishes, a high hardness / heat resistance layer for improved wear resistance and high adhesion technology for superior peeling resistance. The tough new carbide substrate provides exceptional chipping resistance.

The AC1030U Grade is recommended for the high precision cutting of small parts consisting of soft steel, carbon steel, stainless steel, brass, cast iron and exotic material. The new FYS Chipbreaker offers improved chip control and crater wear in soft material machining, as well as reduced damage to the cutting edge with the AC1030U.

Application examples include stator shafts, valve bodies, structural steel pipes and sensor housings.

For more information, contact Sumitomo Electric Carbide, Inc., 1001 Business Center Drive, Mount Prospect, IL 60056, Phone: (800) 950-5202, Fax: (847) 635-9335, e-mail:, or visit the Sumitomo website at