33 Pcs Damaged Screw Extractor Set Stripped Screw Extractor Set for Broken Screw HSS Broken Bolt Extractor Screw Remover Kit with Screwdriver Bits

This damaged screw extractor set with 1/4 inch hex shank bit holder allows for use on most chuck or electric drills. 10 different sizes extractor covers all regular size screw and bolt,satisfy all you demand,remove broken screw in one step. 10 pieces screwdriver bit, make the function of this tool more complete. Material:High-Speed Steel 4241,Chrome-Vanadium Steel Damaged Screw Extractor: Dr#1,Dr#2,Dr#3,Dr#4,Dr#5,Dr#6,Dr#7,Dr#8,Dr#9,Dr#10 Ex#1,Ex#2,Ex#3,Ex#4,Ex#5,Ex#6,Ex#7,Ex#8,Ex#9,Ex#10 Screwdriver Bits: PH0,PH1,PH2,PH3,T15,T20,T25,4,5,6 Package Included: 20 x Damaged Screw Extractor 1 x Magnetic Extension Bit Holder 1 x Quick Bit Holder 1 x Socket Adapter 10 x Screwdriver Bits How to Use? 1. Attach the bit to the extension bit holder or quick bit holder.(The size of #6 - #10 needs to be installed in the socket adapter first, and then attach it to the bit holder) 2. Use the drill(Dr) bit to drill a hole in broken screws.(drill the hole deeper will easier to take out) 3. Change to use the extract(Ex) bit with the same size. 4. Reverse use the drill and take out the broken screws. Warm Tips : 1. Must drill a hole first when the screw surface is smooth. Otherwise the extract bit will slip. 2. Recommended to use electric hand drill, can not be used the hammer drill mode. 3. Must be vertical and low speed when drilling, reverse use the bit.