- Cylinder latch function enables the cylinder to withdraw the deadbolt on the first turn and the latch on the second turn of the cylinder
- Drill resistant heavy duty hardened deadbolt with 22mm throw on a double turn of the cylinder
- Quick reversible latch without the need to dismantle the lockcase
- 60mm backset and 72mm centre in line with guidance of BS 8300
- Radiused & Square forends
- Available with a satin or polished stainless steel forend with matching strike plate
- Compatible with Briton 4200 & 4700 Series door furniture
- 5 year guarantee
IMPORTANT - When fitted to timber fire doors the lock must be fitted in conjunction with the intumescent protection to ensure that the integrity of the door is maintained in a fire situation.
.png){kind=icon}
.pdf.thumb.100.140.png)
%20Ltd%20Briton%205400%20and%205700%20(E)%20-%20512498.pdf.thumb.100.140.png)
.pdf.thumb.100.140.png)
.pdf.thumb.100.140.png)
%20Ltd%20-%20FM523147%20Briton%205420_5430_5440.pdf.thumb.100.140.png)
.pdf.thumb.100.140.png)
.pdf.thumb.100.140.png)