What Is a Double Key Deadlock?

Is adding a double-cylinder deadbolt to an exterior door a good idea? Find out about the pros and cons of adding double-keyed deadbolts vs. single-keyed deadbolts to exterior doors for safety and security. Deadbolts with two keys pose unique challenges.

Double Cylinder Deadbolt - Antique Brass

What Is a Double Key Deadlock?

MUL-T-LOCK MTL600 Hercular Double Cylinder Deadbolt @ MUL-T-LOCK

Double Cylinder Deadbolts With Key On Both Side, Keyed, 41% OFF

Double Cylinder Deadbolt

Buy BRAVA DEADBOLT DOUBLE CYLINDER Online – The Lock Shop

Double Deadlock Fitting Euro Lock Wooden Door Mortise Lock

328 Gate House Double cylinder deadbolt

Cross Key lock with dual deadbolts (LC-05)

What Is a Double-Cylinder Door Lock?

Which is Best — Single or Double Cylinder Deadbolt Locks?

Double-Keyed Deadbolts - Structure Tech Home Inspections

What You Need to Know if You Are Considering a Double Sided

Secure your doorway with this sleek Satin Bronze US10 Jimmy Proof Deadbolt. Each deadbolt can be placed onto a 1-3/8 in. to 2-3/8 in. thick doors.

Satin Bronze High Security Heavy-Duty Jimmy Proof Double Cylinder Deadbolt Lock with Flat Strike and 2 SC1 Keys

Double keyed Deadbolt Lock - Keyed on Both Sides, 2-Way Adjustable