A medium duty tubular latch designed for internal doors in both domestic and commercial buildings. Used in conjunction with sprung lever handles, it provides smooth, reliable latching while the electro brass finish offers a neat, traditional edge detail that complements classic door furniture. Key Features Medium duty tubular latch suitable for internal doors in homes, offices and light commercial premises. Designed for use with sprung door furniture for smooth, reliable operation. 67mm case depth with 45mm backset – matches common UK internal door preparations. Square electro brass faceplate and keep for a clean, traditional appearance on door and frame. Bolt-through facility to suit modern lever handles with through-fixing screws. Supplied complete with dust box to tidy the strike area and reduce debris build-up. Suitable for use on 30 and 60 minute timber fire doors when installed as part of a tested door set. Grade 1 corrosion rating – recommended for clean, dry, low-humidity internal environments. Typical Applications Internal doors in domestic properties – bedrooms, lounges, dining rooms and studies. Light to medium use internal doors in offices, corridors and commercial spaces. Refurbishment or replacement of existing 67mm case / 45mm backset tubular latches. New-build and fit-out projects requiring a durable, trade-grade tubular latch with electro brass finish. Specifications Latch type Medium duty tubular latch Lock case depth 67mm Backset 45mm (to follower) Lock case size (H × D) 21 × 67mm Lock case width 15mm Faceplate size (H × W) 58 × 27mm Faceplate type Square Keep size (H × W) 57 × 24mm Finish Electro brass Corrosion rating Grade 1 – clean, dry & low humidity environments Fire rating 30 & 60 minutes (when used on suitable fire doors) Standards & approvals CE marked to BS EN 12209:2003, BS EN classification NPDM410F-B010, Certifire CF5531 Recommended screw size 4.0 × 25mm (8 × 1") countersunk No. of screws supplied 4 Supplied with Latch, dust box, strike plate/keep, fixing screws
