Center Mount Deadbolt Lock, Aluminum, 5-Pin Tumbler Lock Painted diecast inside lock with heavy duty steel spring bolt; key cylinder has Aluminum face and 5 pin tumbler lock with cylinder ring, will replace most locking mechanisms of this type; used by many manufacturers. You may need this related part: GD-52199. For keyed-alike key cylinders see item no. GD-52139. TIP: Check bolt size against door thickness, cut shorter as necessary.