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Union C-series 3K74E - BS 5 Lever Sashlock (80mm, Polished Brass, Keyed Alike)

Union C-series 3K74E - BS 5 Lever Sashlock (80mm, Polished Brass, Keyed Alike)
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£97.28
Build your own unique set of keyed alike mortice locks. Add as many door locks as you like and they'll all work from the same key.
View Full Specification
  • Multiple locks are keyed alike at no extra cost.
  • Locked by Key on either side.
  • Supplied with 3 keys per order.
  • Also available keyed to differ.
  • Latch opened by handle on either side.
  • Roller latchbolt allows lock to be fitted to either a left or right hand hung door without modification of the lock.
  • Previously by Chubb Locks.
  • 53mm backset from forend.
  • 80mm deep case.
  • 20mm bolt projection.
  • Extra keys available at checkout.
MPN: 3K74E-80-KA

Popular in Keyed Alike Mortice Locks ...

View all Keyed Alike Mortice Locks »
Details
A 80mm
B 53mm
C 57mm
D 108mm
E 153mm
F 25mm
Dimensions
Case Depth 80mm
Backset 53mm
Centres 57mm
Case Height 108mm
Forend Length 153mm
Forend Width 25mm
Show Imperial »
Lock
Manufacturer Part Number
3K74E-80-KA
Mortice Type
Sashlock
Lock Mechanism
5 Lever
Key Differs
1,000
Bolt Projection
20mm
Latchbolt
Roller
Follower
8mm
Backset (keyhole)
53mm
Colour
Polished Brass
Features
Insurance Approved*
BS3621: 2007
Handed
Left, Right
Rebated
View options
Keyed Alike
Yes
* Insurance approval may vary due to conditions and location. Please check with your underwriter.
In The Box
Lock Case
Yes
Strike Plate
Yes
Keys
3
Accessories

Add at Checkout

Thumbnail of Asec Spare Key

Spare Key

Keys are of course included, but we can cut you a spare.
Please allow 4 additional days for delivery.
£7.20
Thumbnail of Union Polished Brass (13mm) Rebate Kit

Polished Brass (13mm) Rebate Kit

Convert your lock into a rebated lock with this 13mm Rebate Kit. Essential if you need to lock overlapping double doors.
£25.68
Delivery

Select during checkout


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Popular Delivery Options  
Next / Named Day Delivery to your front door on a day of your choice
Mon-Fri
8am - 6pm
FREE
Mon-Fri
8am - 6pm
FREE
Scottish Highlands Delivery Includes doorstep drop off deliveries to the following Highlands post codes, no steps: AB30-38, AB44-56, FK17-99, G83, IV1-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH18-26, PH30-41, PH49-50
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isle of Wight Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isle of Man Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isles of Scilly Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Scottish Islands Delivery Includes doorstep drop off deliveries to the following Scottish Island post codes, no steps: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Northern Ireland Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Guernsey Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Jersey Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Tail Lift Delivery Options
Indoor Delivery Options
Delivery & Install Options
Read more about delivery on our Delivery & Installation Guide and FAQ
All prices shown are inc. VAT.
Returns

Returns

Replacements
If you are not completely satisfied with your purchase, simply complete our returns form within 14 days of receiving your order. Goods must be returned within 30 days of the delivery date, in their original condition and packaging.
More information about returns
FAQs

FAQs

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All questions are answered by our own expert advisors.
Help & Advice

Useful Videos

How to fit a Mortice Sash Lock How to replace a Mortice Sash Lock

Related Blog Articles

Get in Touch

We're here Mon-Fri, 9am-5pm.


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Keyed Alike

Keying Options

Keyed to Differ or Keyed Alike locks?

As standard the Union C-series 3K74E - BS 5 Lever Sashlock (80mm, Polished Brass, Keyed Alike) is supplied keyed alike which means that a single set of keys can operate multiple locks. If you require single locks, you can choose keyed to differ locks that operate using a unique set of keys that only open a single lock.

What is Keyed Alike?

  • Each key can open multiple locks - the same key could unlock your house and office.
  • Locks need to be the same brand and number of levers.
  • Keyed Alike locks include one set of keys regardless of how many locks are purchased.
  • Made to order so NOT covered by our returns policy.

What is Keyed to Differ?

  • Keyed to Differ is the standard way a lock is supplied.
  • Each lock is opened by its own unique key.
  • Each lock includes a unique set of keys.
  • Covered by our returns policy.
  • It is possible to order this lock Keyed to Differ here

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