YWMXDZ 22 Pcs Stripped Screw Extractor Set Damaged Screw Extractor Set Stripped Screw Extractor Kit for Broken Bolt Extractor All-Purpose HSS Bolt Galvanized

JUST FOR BETTER WORK: 22PCS High Speed Steel HSS 4341 Socket Adapter Screw Removal Set! PRODUCT DESCRIPTION Material: HSS steel with titanium plating on the surface Color: Silver Package Includes: 1 x Socket Adapter: 25.6mm*6.3mm 1 x Magnetic Extension Bit Holder: 57mm*6.4mm 1 x Box 20 x damaged screw extractor  HOW TO USE? Step 1: 6-10 size of drills needs to be installed in the socket adapter firstly, then attach it to the extension bit holder. (The other sizes (1-5) can be attached to the extension bit holder directly) Step 2: Use the drill (Dr) bit to drill a hole in broken screws. (Note: drill deeper will easier to take out) Step 3: Change to use the extract (Ex) bit with the same size. Step 4: Reverse use the drill and take out the broken bit. Note: 1. It is recommended to use electric hand drill instead of the hammer drill. 2. Must drill a hole first when the damaged screw surface is smooth. Otherwise the drill bit will slip. 3. When stripping the damaged screw, Must use it vertically in reverse and low speed (RPM≤200) throughout the whole process. Or youâ€ll get hurt.