Concealed extension flush bolt.
5/16 BSW Thread.
Box quantity 10, outer 100.
Width – 23mm
Height – 146mm
Diameter – 12.7mm
Projection – 16mm
Finish – Silver Mazak Zinc Alloy
These flush bolts are fitted top and bottom in the leading edge of the inactive leaf of a pair of metal doors. When both leaves are closed the flush bolts cannot be seen. With the inactive leaf bolted and secure, the active leaf can be locked and both leaves become secure. The flush bolts on this page are manufactured from mazak, and generally are not suitable for use on fire rated doors unless independently tested.
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