Stubborn screws are always a problem whenever you want to replace or repair decking. In fact, you can still remove decking screw easily by follow the instruction which teach you how to finish the work without damaging your decking.
Tools included drill-driver, screw extractor set, bit set, tap wrench and reciprocating saw (extreme scenario) are essential to prevent you to get hurt and decking to be destroy. Also, depending on different situations, you might need to take various methods to remove decking screw.
For standard removal, place bit in drill-driver that corresponds to screw you wish to remove. Make sure that bit is secure and that drill-driver is set to reverse drive.
Secondly, insert bit into screw head and hold firmly. If enough pressure is not used, the teeth of the screw head may strip. At last, hold down drill-driver trigger until screw is completely extracted from boards.
For stripped screws, you need to extract the screw by a normal bit (Phillips are the most commely). Make sure your drill-driver is set for reverse drive. While, if it is useless, insert a drill bit that corresponds to the size of screws you are removing. You can check this by taking the bit and placing it in line with the screw head. The bit has to be smaller than the shaft of the screw. Drill a hole in the broken screw. After that, attach the proper extractor (sets come with a chart that cross-references screw sizes with stamped extractor size) to your tap wrench and insert it into the hole. Turn counterclockwise. The extractor acts in the same way as a wine corkscrew might: gripping the sides of the hole you have made. As you turn, the broken pieces of screw should unthread themselves, leaving the original threaded hole undamaged.
However, if it still doesn’t work which means you need to take it as an extreme scenarios.
1. If wood needs to be replaced, cut away board around troublesome screws with a reciprocating saw.
2. Insert a metal-cutting blade into the reciprocating saw and make sure it is secure.
3. Saw off remaining screw posts so that they are level with the beam they are secured in.
Read more: http://www.ehow.co.uk/how_5565836_remove-deck-screws.html