A medium duty tubular latch designed for internal doors in both domestic and commercial buildings.. With a 76mm case and 57mm backset, it’s a longer backset option often used where extra clearance is needed for door furniture.. Used in conjunction with sprung door furniture, it provides smooth, reliable latching, while the satin nickel finish delivers a clean, contemporary look that suits modern handles and hinges.. Key Features. Medium duty tubular latch suitable for domestic and commercial internal doors.. Designed for use with sprung door furniture for consistent, reliable operation.. 76mm case with 57mm backset – longer backset format for many internal door setups.. Square satin nickel faceplate and keep for a neat, modern edge detail.. Bolt-through facility to suit lever handles that use through-fixing screws.. Supplied complete with dust box and fixing screws for a tidy strike and straightforward installation.. Suitable for 30 & 60 minute fire doors (when installed as part of a tested door set).. Corrosion rating 1 – recommended for clean, dry, low-humidity internal environments.. Typical Applications. Internal doors in domestic properties – bedrooms, living rooms, dining rooms and studies.. Office and corridor doors in light commercial premises.. Replacement of existing 76/57 (long backset) tubular latches.. New-build and fit-out projects requiring a trade-grade latch in a satin nickel finish.. Specifications. Latch type. Medium duty tubular latch. Product code. 675783. Size. 76mm case / 57mm backset. Lock case depth. 76mm. Backset. 57mm (to follower). Lock case size (H × D). 21 × 76mm. Lock case width. 15mm. Faceplate size (H × W). 58 × 27mm. Faceplate type. Square. Keep size (H × W). 56 × 24mm. Finish. Satin Nickel. Corrosion rating. 1 – Clean, dry & low humidity environments. Fire rating. 30 & 60 minutes. Standard. BS EN 12209:2003. No. of CSK screws. 4. Screws required per pair. 4. Recommended screw size. 4.0 × 25mm (8 × 1"). Supplied with. Latch, dust box, fixing screws. Pack type. Plain Bag. Pack quantity. 1 Each
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