Home / Protect the door / Spring loaded door security chain “Dust Proof Strike for automatic flush bolt” has been added to your cart. View cart Spring loaded door security chain Spring loaded door security chain for the main doors in satin nickle plated. Spring loaded door security chain quantity Add to BOQ Category: Protect the door Tag: SNP Related products Half cylinder with one side key EPC with escutcheon – NMK Quick View Add to BOQ Lever action Flush bolt 600 mm length for metal door Quick View Add to BOQ Half cylinder with one side key EPC with narrow style escutcheon -MK Quick View Add to BOQ Half cylinder with one side key EPC with escutcheon -MK Quick View Add to BOQ