網上很多

我也是看了YouTube 才知道有人這麽搞的

https://www.amazon.com/Neiko-01925A-Extractor-Extractors-Cobalt/dp/B000F9ANQW/ref=mp_s_a_1_4?crid=202X7K0XQVK3W&keywords=left+hand+drill+bit+extractor&qid=1644320265&sprefix=left+hand+drill+bit+extractor%2Caps%2C41&sr=8-4

https://www.harborfreight.com/screw-extractor-and-left-hand-drill-bit-combo-set-10-pc-61981.html?utm_source=google&utm_medium=cpc&utm_campaign=12126402660&campaignid=12126402660&utm_content=118355023113&adsetid=118355023113&product=61981&store=699&gclid=EAIaIQobChMIlaeIt4Hw9QIVjrfICh0H4wYbEAQYASABEgJdLPD_BwE