A medium duty bathroom lock that is ideal for use in domestic and commercial applications. The lock features a medium duty spring and is recommended to be used with sprung door handles. The deadbolt is operated by a turn with a 5mm spindle. Backset mm 57.0 Bolt Throw mm 13 BS EN Classification 1M410F-BG10 CE Standard Web BS EN 12209:2003 Centres mm 57.0 Certifire Number CF5531 Corrosion Rating 1 - Clean, dry & low humidity environments Description A medium duty bathroom lock that is ideal for use in domestic and commercial applications. The lock features a medium duty spring and is recommended to be used with sprung door handles. The deadbolt is operated by a turn with a 5mm spindle. Faceplate Size H x W mm 152 x 22 Faceplate Type Square Finish Electro Brass Keep Size H x W mm 125 x 24 Lock Case Depth mm 78 Lock Case Height mm 102 Lock Case Size H x D mm 102 x 78 Lock Case Width mm 14 Lock Follower Backset mm 57.0 No. of CSK Screws 4 Product Code 675248 Rec Screw Dia. mm 4.0 Rec Screw Gauge imp. 8 Screw Size imp. 8 x 1 Screw Size mm 4.0 x 25 Screws Required Per Pair 4 Size mm 78 / 57