BRITON 5710 DIN Euro Profile Deadlock Case 60mm BacksetThe Briton 5710 is a DIN standard euro profile deadlock for use on doors without lever furniture that require locking. It has a 60mm backset with 72mm centres and one turn of a cylinder will throw the bolt 20mm. The 5710 deadlock has been fire tested to EN 1634 1 for use on fire doors up to 1hr timber 4hr steel when used with the appropriate intumescent kit (Briton 5000. IP). Grade 316 stainless steel single piece round or square forend Galvanised