Also known as the 'Rack Bolt' the security bolt offers concealed security for timber Doors. Easy to fit and uses a splined key for add security. Bolt
Gainsborough Door Security Rack Bolt 32mm Backset Satin Chrome 444SCC
ERA Brass Concealed Door Security Bolts 78mm White 2 Pack - Screwfix
Security Door Controls 1091AIY 12/24VDC 335 BOLTL Spacesaver Bolt Lock - ACCESS HARDWARE
Cranked Door Bolt, 150mm, Brass Plated, Internal Door Security Bolt
INTRUDER LOCK Patio Conservatory Double French Door Sliding Deadlock Bolt Intruder Lock Extra Security Internal Door Security Brace
7 Practical Ways to Enhance Apartment Door Security When Renting
Yale P-M444 Door Security Bolt X 2 White P-2PM444-WE-2
Door Bolts, Front Door Locks
PM444 - Door security bolt
Federal WPB20 Patio Door Security Bolt - Federal Direct