A medium duty tubular latch designed for internal doors in both domestic and commercial settings.. With a 67mm case and 45mm backset, it’s a common, versatile size for standard internal door installations.. Used in conjunction with sprung lever handles, it delivers smooth, reliable latching, while the satin nickel finish gives a clean, modern look that suits contemporary 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 consistent, reliable operation.. 67mm case with 45mm backset – a popular size for standard internal doors.. Square satin nickel faceplate for a neat, modern finish on the door edge.. 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 easier 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, lounges, dining rooms and studies.. Office and corridor doors where a dependable, trade-grade tubular latch is required.. Refurbishment and replacement of existing 67/45 tubular latches.. New-build and fit-out projects requiring a satin nickel latch to match modern handles and hinges.. Specifications. Latch type. Medium duty tubular latch. Product code. 675900. Size. 67mm case / 45mm backset. 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. Satin Nickel. 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. Recommended screw size. 4.0 × 25mm (8 × 1") countersunk. No. of screws supplied. 4. Supplied with. Latch, dust box, fixing screws
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