Haltec H-4660A Lock-On Chuck (Large Bore) - Closed

Haltec H-4660A Lock-On Chuck (Large Bore) - Closed

This Haltec lock-on chuck is a specially designed air chuck that locks onto the cap threads of a large bore valve stem when the sliding sleeve is pushed to the forward position. The chuck releases when the sleeve is pulled back. It uses a 1/4" NPT female thread.