Broken Key Extraction Broken keys in Montreal. Process Spray penetrating oil into a keyhole to make the works loosen up. … Check on how much part of the key was broken. … Place the tip of the pair of needle-nosed pliers into the keyhole. … Move the blade of the jig saw or scroll saw … Continue reading REMOVE BROKEN KEYS FROM INSIDE A LOCK SHAY MONTREAL 514-836-9097 24/7