48PCS 6542HSS Damaged Screw Extractor Bolt Extractor Set/Left Drill Bit Set, Multi Spline Screw/Bolts Extractors Lug nut Remove Set for Removing Broken Studs, Bolts, Socket Screws,Nut,Studs

How to Use the Screw Extractor? 1. The size of #6 - #10 needs to be installed in the socket adapter first, and then attach it to the extension bit holder (The other sizes can be attached to the extension bit holder directly) 2. Use the drill(Dr) bit to drill a hole in broken screws 3. Change to use the extract(Ex) bit with the same size 4. Reverse use the drill and take out the broken bit Warm Tips : - Must drill a hole first when the break screw surface is smooth. Otherwise the drill bit will slip - Must be vertical and low speed when drilling, reverse use this bit, drill the first hole deeper will easier to take out - It is best to use

• 【Specifications】: 48-Pieces sets,22 PCS 6542 HSS tripped Kit for Broken Bolt All-Purpose HSS Remover Set with Magnetic Extension Bit Holder & Socket Adapter, 6pcs spiral screw extractors, 6pcs 6542 HSS left hand cobalt drill bits, 13pcs nut removers, 1pcs extractor extension. Suitable for most job applications.
• 【High Hardness and Durability】: Made of high hardness Cr-Mo steel and 4341/6542 HSS materials, providing excellent durability and corrosion resistance, and not easily damaged. The spiral pattern design can provide sufficient gripping force to facilitate removal. Please note: Cobalt drill bits should not be used for stainless steel.
• 【Multipurpose】:Suitable for allen bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws
• 【Important】:It is best to use electric hand drill, can not be used the hammer drill mode! Must be low speed during use!