Yale Commercial Double Cylinder Deadbolt For added security it is recommended that Yale Commercial Deadbolts are used in conjunction with Yale Commercial Series Knob or Lever Locksets. Double cylinder Key operation from outside and inside. Specification Backset Adjustable 60-70mm backset. Latch Solid brass bolt with 25mm projection. Cylinder Standard “PD” type cylinder keyed to C4 profile. Door Thickness 35 to 45mm* Requires spacer ring (included) Finishes Satin Chrome Brushed SCSatin Stainless Steel SSS Keying Standard KeyingSupplied individually keyed with two keys per lock78,000 key combinationsKey blanks:V06 5PIN C4 (Standard)V07 6PIN C4 Restricted Special Keying Yale Commercial Deadbolts can be keyed to a number of controlled and/or specially keyed systems.These range from legally protected keys to protect against unauthorised duplication, which can also include specially designed key systems such as master key systems, which allow for different levels of mechanical access control.Please contact your local sales office or customer service for specific information on keying systems. Close Documents | Downloads Yale Deadbolts Catalogue.pdf (.pdf, 290 kB) Close Ordering Trade Pack Description Part Number Finish Yale Commercial Double Cylinder Deadbolt YDB1/DCYL/SC Satin Chrome Brushed Yale Commercial Double Cylinder Deadbolt YDB1/DCYL/SSS Satin Stainless Steel Close Where to buy? Find your local Yale Stockist Yale Commercial Key in Lever Lockset – YL16/YL17Standard "PD" type cylinder keyed to C4 profile. Yale Commercial Key in Knob Lockset – YK16/YK17Standard "PD" type cylinder keyed to C4 profile.