Deadbolts have a grade rating of 3 to 1 1 is the toughest.
													
																	Can you add a deadbolt to a steel door. 
									
	
		
	
																	Next check out 10 amazing modern front doors. 
																	Step 10 on a new door you ll need to create a mortise a slot in the edge of the door or jamb for the faceplate to rest. 
																	Use a spade bit to cut a hole into the side of the door for. 
																	Most moderately skilled amateurs can complete this task in about half an hour. 
															
													
									
	
		
	
																	If all you ve got on your door is a knob lock you can add a second layer of protection with a deadbolt lock positioned 6 8 inches above or below your doorknob. 
																	Use a hole saw designed to drill through steel to cut a hole for the deadbolt lock. 
																	Adding a deadbolt lock can be a great way to improve the security of your steel door. 
																	Most home centers carry grade 1 deadbolts such as schlage s maximum security deadbolt but you may have to hunt for them. 
															
													
									
	
		
	
																	Steel doors are easy to drill into using a bimetal hole saw and an electric drill. 
																	A single cylinder deadbolt has a key slot on the outside and a thumb turn on the inside. 
																	Use a grade 1 deadbolt. 
																	Installing a deadbolt lock on a steel door may sound intimidating but with the right tools it s a fairly simple task. 
															
													
									
	
		
	
																	As long as you don t have a steel door installing a deadbolt is a job that you can do yourself including making the cutout to chiseling in the strike. 
																	The deadbolt he bought still isn t right for a retrofit without a drive in bolt unless he finds a guy with a squeeze plate to mortise the edge of the door or it gets cut out and the reinforcement tab installed. 
																	Kwikset isn t the greatest choice for a steel door. 
																	Why you should have a single cylinder deadbolt. 
															
													
									
	
		
	
																	Sorry the door was installed without a deadbolt. 
																	It s important to say that you may consider adding a deadbolt to all the exterior doors of your house. 
																	To cut through a steel door make sure you get a bimetal hole saw set. 
																	Most exterior doors are steel sided with wood cores. 
															
													
									
	
		
	
																	When you add a deadbolt onto your door you can rest assure that your door can be opened from the outside only with a key.