Whitco Extended Patio Bolt – Concealed Fix The Whitco Extended Patio Bolt is a premium high-security locking solution designed for sliding door applications where strength, reliability, and a clean finish are essential. Featuring concealed fixing and an extended 78mm bolt, it delivers enhanced protection while maintaining a streamlined appearance suited to Australian residential and light commercial environments. Features Premium high-security patio bolt with robust, attack-resistant construction Solid zinc die-cast metal body for long-term durability Concealed fixing enhances security and delivers a clean, modern appearance Extended 78mm bolt extension for improved engagement Strong 9.5mm steel bolt for dependable locking performance Keyed locking function with key to lock and key to unlock operation Bolt can engage without locking to allow safe, temporary securing Reversible bolt design for left- or right-hand installation Suitable for sliding doors, allowing bolting in closed or venting positions Stainless steel ferrule included for timber door applications Supplied with flat steel keeper for use where the bolt does not engage the door frame Supplied with two Whitco keys Designed for straightforward installation in residential settings Available Variants Extended Bolt – 5Disc – TP – W2207517D5 Extended Bolt – Cyl4 – TP – W2207517C4 No Cylinder – TP – W2207017