The Union 3K75 series 5 Lever Mortice rollerbolt sashlocks are suitable for use on timber doors hinged on the left or right and are also suitable for use on doors up to 50mm thick. The lock has a deadbolt operation and is locked or unlocked by key from either side with the latch bolt being withdrawn by a lever handle from either side.
It has force resistant, anti-pick and anti-saw security features and is available with square forend and striking plate with a 14mm bolt throw. They are also pierced to accept bolt through furniture.
The 3K74E series locks are recommended for use on a front door in conjunction with a BS standard nightlatch.
They are also covered by a 25 Year guarantee.
Deadbolt: Brass, with hardened steel rollers
Latch Bolt: Roller bolt (non handed)
Follower: Sintered Iron, 8mm square
Keys supplied: Standard differ supplied with 2 keys. For locks to pass please specify number of keys required.
Key Blank Number: B-K722 (standard)
Cut Key Number: B-5LC
Not suitable for master keying
Rebate Kit B-3K74R (13mm, 19mm and 25mm)
EN1634-1 assessed for use on 60 minute timber fire doors