Spider Mill

The SDP Spider Mill from Sumitomo (Mount Prospect, IL) is designed for high productivity face milling of gray and ductile cast irons.

The SDP Spider Mill from Sumitomo (Mount Prospect, IL) is designed for high productivity face milling of gray and ductile cast irons. This mill is a 90-degree double negative milling cutter with positive cutting insert geometry. Each insert consists of eight cutting edges. A unique positive chip breaker insert provides less cutting force, more productivity and a longer tool life. The mill is available with an ACK100 CVD coated grade for high-speed milling applications and an ACK200 CVD coated grade for general purpose milling. Both grades are available for use in 3”, 4”, 5” and 6” cutter bodies.