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The Union 3K74 series British standard 5 Lever Morticerollerbolt sashlocks are suitable for use on timber doors hinged onthe left or right and are also suitable for use on doors up to50mm thick. The lock has a deadbolt operation and is locked orunlocked by key from either side with the latch bolt beingwithdrawn by a lever handle from either side.

It has force resistant, anti drill, anti-pick and anti-sawsecurity features and is available with square forend and strikingplate with a 14mm bolt throw. They are also pierced to accept boltthrough furniture.

The 3K74E series locks are recommended by insurance companies,kitemarked to BS3621: 2007 (British Standard) and has been approvedby the police Secured by Design initiative. They are alsocovered 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. Forlocks to pass please specify number of keys required.
Key Blank Number: B-K722 (standard)
Cut Key Number: B-5LC
NB Not suitable for master keying
Rebate Kit B-3K74R (13mm, 19mm and 25mm)

EN1634-1 assessed for use on 60 minute timber fire doors

Finish: Polished Brass Finish
Forend: Brass
Box Strike Assembly: Painted to match forend
Case Finish: Silver powder coat
Case Size: 80mm x 108mm (3in)
BackSet: 53mm This is the measurement from the edge of the door tothe centre of the keyhole.
Centres: 57mm This is the measurement from the centre of thefollower, which operates the handles, to the centre of the keyhole.In the UK this is commonly 57mm.
Not available in store
DescriptionCodePrice INC VATBasket
Union Locks V-3k74e-pl-80 3k74e 5 Lever Mortice Rollerbolt Sash Lock C-series 80mm Case BrassUNNV3K74PL80£61.51 Save 31%
Union Locks V-3k74e-pl-80 3k74e 5 Lever Mortice Rollerbolt Sash Lock C-series 80mm Case Brass