Search results

What a coincidence. Last weekend I had to enlarge some holes on a dozer blade. It was an uphill battle - until I remembered the Drill Doctor. Hadn't used it for maybe 10 years, and now the subject came up twice within a week.

I would try using a small, sharp center punch, and possibly tap the broken bolt out that way, before resorting to drilling. At the very least, I'd use a guide on the drill bit to keep it in the bolt, instead of ruining the threads. It can be tricky to keep the drill bit in the fastener even with...