![CALK-IN MACHINE SCREW ANCHOR](http://www.sterlinghardware.com/cdn/shop/products/09230-_450_{width}x.jpg?v=1575439616)
CALK-IN MACHINE SCREW ANCHOR
The Calk-In™ is a pre-assembled precision cast calking type machine bolt anchor which can be used in concrete, block, brick or stone. The anchor consists of an antimonial lead alloy caulking sleeve and a Zamac alloy internally-threaded expander cone.