HB640 Series Narrow Sliding Door Lock - 250mm

Halliday + Baillie Key Lock Sliding System with 33mm backset and a case depth of 48mm. Its slim proportions make it ideal for narrow style timber and aluminium joinery, particularly useful on sliding windows that require locking. Cylinders to be ordered separately with confirmation of the door thickness.

Material: Diecast zinc with brass and 316 stainless steel

Backset : 33mm

Minimum door thickness : 38mm

Flush pulls : 250mm x 36mm x 13mm

Suitable for timber or aluminium doors

For finish options please see our current Finishes Sheet. Please check with your local Halliday + Baillie representative as not all finishes are available in all regions.

Glue, epoxy, silicone products etc are not required or recommended for installation, and may void warrantee.


HB 640 – Key and Snib Both Sides 
HB 642 – Key Snib In, Blank Out 
HB 643 – Key Snib In, No Pull Out
HB 648 - HB665 Snib, One Side, No Pull Outside
HB 649 - HB660 Snib One Side, No Pull Outside
HB 649/2 - HB660 Snib Inside, Blank HB660 Pull Outside



Product code: HB 640

Please click here for the HB640 Series data sheet:AA HB640.pdf
For installation in timber doors, please click here for the HB604 Timber Fixing Kit data sheet:A HB604.pdf
Please click here for the Halliday + Baillie Finishes Sheet:AA HBFinishes All.pdf