That’s about average for a good deadbolt and a hole saw set. To cut through a steel door, make sure you get a bimetal hole saw set. Use a Grade 1 deadbolt. Deadbolts have a grade rating of 3 to ...
BEST BANG FOR THE BUCK: Kwikset 660 Keyed Deadbolt With SmartKey BEST SMART: August Wi-Fi Smart Lock BEST TOUCH-SCREEN: Yale Assure Lock SL With Wi-Fi and Bluetooth ...