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Union 4G - 6 Lever Sashlock (78mm) RH

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18th January 2018


  • The deadbolt is locked or unlocked by the key from outside.
  • The deadbolt is locked or unlocked by the included thumb turn from inside.
  • Latch opened by handle on either side.
  • Variable centres of 57mm or 67mm.
  • The latchbolt is NOT reversible - this door is only suitable for right hand opening doors. Also available for left hand opening doors.
  • Holes to allow you to bolt inside/outside handles together.
  • 51mm backset from forend.
  • 78mm deep case.
  • 14mm bolt projection.
Ref: UNI-4GR-78

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Product Details

A 78mm
B 51mm
C 67mm
D 122mm
E 177mm
F 27mm
Case Depth
Case Height
Forend Length
Forend Width
Show Imperial »
Mortice TypeSashlock
Lock Mechanism6 Lever
Key Differs3,000
Bolt Projection14mm
Backset (keyhole)51mm
ColourStainless Steel
Insurance Approved*No
Keyed Alike Free Upgrade
In The Box
Lock CaseYes
Strike PlateYes

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 6 additional days for delivery.

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Keyed Alike

Keying Options (select at checkout)

Keyed to Differ or Keyed Alike locks?

As standard the Union 4G - 6 Lever Sashlock (78mm) RH is supplied Keyed to Differ which means the lock includes a set of keys that are unique and will only open this lock. If you require multiple locks you can choose to have them all Keyed Alike, meaning that each lock can be opened using the same key.

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.

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.
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