JACOBS 41BA 1/2" Plain bearing medium 3/8" chuck with K 30 key. Jaws are center-ground for absolute straightness and alignment. One-piece sleeve eliminates crack between driving driving teeth often found in other designs. Through-hardened sleeve teeth, plus hardened nose and keyholes provide outstanding wear resistance. Each chuck is 100% inspected for performance and precision. T.I.R. .004" maximum at half capacity.
CalCon Industrial Supply is a family owned business that was founded in 1959 by the Mosak family. For over 60 years, we have prided ourselves on providing efficient and reliable industrial supplies, parts & service to our customers throughout Northwest Indiana & Chicagoland.