A heavy duty architectural pattern tubular latch built for high-use internal doors in domestic and commercial environments. Featuring a heavy duty spring mechanism, it can be used with sprung or unsprung door handles, making it a flexible choice for both new installs and refurbishment work. With a substantial 128mm case and 107.5mm backset, it’s ideal where a deeper handle position is required, while the Electro Brass / Satin Nickel finish combination helps match mixed ironmongery finishes on site. Key Features Heavy duty architectural tubular latch for high-use domestic and commercial internal doors. Heavy duty spring mechanism – suitable for use with sprung or unsprung door furniture. 128mm case with 107.5mm backset – deep backset format for a deeper handle position. Easily reversible latchbolt – suitable for left or right hand doors. Fixings supplied to suit electro brass and satin nickel furniture. Bolt-through facility for lever handles with through-fixing screws. Complete with dust box and fixing screws. Suitable for 30 & 60 minute fire doors (when installed as part of a suitable tested door set). Corrosion rating 1 – recommended for clean, dry, low-humidity internal environments. Typical Applications High-traffic internal doors in offices, corridors and commercial premises. Domestic internal doors where a robust, architectural pattern latch is preferred. New-build and fit-out projects requiring a heavy duty latch with a deep backset. Replacement of existing deep-backset architectural tubular latches. Specifications Latch type Heavy duty architectural tubular latch Product code 675015P Size 128mm case / 107.5mm backset Backset 107.5mm Lock case depth 128mm Lock case size (H × D) 22.5 × 128mm Lock case width 15mm Faceplate size (H × W) 60 × 25mm Faceplate type Square Keep size (H × W) 65 × 25mm Finish Electro Brass / Satin Nickel Material Steel Corrosion rating 1 – Clean, dry & low humidity environments Fire rating 30 & 60 minutes Standard BS EN 12209:2003 Recommended screw size 4.0 × 25mm (8 × 1") Supplied with Latch, dust box, fixing screws Pack type TIMbag Pack quantity 1 Each
