Series 18 Features and advantages: DIN lh and DIN rh usable. Easy assembly due to easily accessible bore for cylinder fixing screw. Various forend types available. Application: Internal narrow stile doors. Technical description: Type 1828: Profile cylinder lock with latch lever function. Type 1812: Dead bolt lock. Galvanised lock case. Type 1828 reversible steel latch, with 5 mm projection as an option. Steel deadbolt, nickel-plated; 14 mm single throw; with 5 mm projection as an option. Technical data: Follower: 9 mm square; reinforced follower bearing Centres: 92 mm Backset: 25, 30, 35, 40 and 45 mm Rear backset: 15 mm
