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Defeat Bolt Cutters
“A determined thief with an angle grinder and enough time can cut through nearly any lock,” says Master Lock's Justin Matuszek. “But more often, the thief has a bolt cutter and is trying to work fast.” He says the thicker a lock's shackle and the less it's exposed, the more secure the lock is from bolt cutters. And the kind of locking mechanism makes a difference in how easily a lock can be picked. The Master Lock Magnum keyed padlock and the Master Lock ProSeries Combination Lock both resist bolt cutters. Both are available at amazon.com. Plus, here's how to choose the best security chain.
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Pick-Proof Your Dead Bolt
Even amateur thieves can pick a lock. To hold the dead bolt firmly in place so the door can't open, install the deadbolt protection device. Slide the 'lock' over the deadbolt handle it to keep it from turning.
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Reinforce Your Entry Door Strike Plate
Reinforcing your door's weak spot, the jamb, with a heavy-duty strike plate and extra-long screws gives it the added strength needed to withstand a burglar trying to kick in your door. If your dead bolt was installed within the last 10 years, it's probably already reinforced. To check, simply remove the strike plate. If it's heavy steel with at least 3-in. screws or has a heavy reinforcing plate, you can rest easy. If not, buy strike plate-reinforcing hardware.
To install, remove the old strike plate, then hold the new one in place and deeply score around it. Chisel out space for the new plate, then mount it by driving 3-in. screws through predrilled holes.