These chucks are available with 2 Jaws, 3 jaws, 4 jaws and 6 jaws and are referred as STC-2, STC-3, STC-4 and STC-6 respectively. STC-3 chucks are most popular. STC-2 and STC-4 chucks are used when the job is square. STC-6 chucks are used to grip jobs having thin wall thickness. The gripping pressure is divided on six sides. One set of reverse Jaws, Mounting Bolts, Operating Key and Inspection Report is provided with each chuck.
TECHNICAL SPECIFICATIONS :