3913 - Single Cylinder (Internal) Application For use with ASSA Modular and Connect lockcases. Specification Securing of CylinderThe cylinder is fixed with four high security hardened steel screws, supplied with the accessory set.ASSA accessories must be used. Cylinder Features:Drill Protection as Standard - 5 minutes drilling resistanceEnhanced plug pulling resistanceParacentric key way for resistance to picking and manipulation of system pinsBumping resistance Finish Available in satin chrome finish Standards Cylinders for LocksTested in accordance with BS EN 1303:2015Classification:160B0C6D**when used with appropriate security escutcheonFire RatedTested in accordance with BS EN 1634-1:2000Product range is suitable for use on fire resistant and smoke control doors. Downloads 3913 - Single Cylinder (Internal) (.pdf, 141 kB) Close 3911 - Single Cylinder (External)For use with ASSA Modular and Connect lockcases. 3912 - Double CylinderFor use with ASSA Modular and Connect lockcases.