This is a preview. Log in through your library . Abstract The present scenario of increasing the production rates in drilling demands high speed drilling while at the same time maintaining the quality ...

Almost any general-purpose twist bit will do a decent job of drilling holes in metal. In fact, most drill bits labeled ...

Drilling into metal may seem intimidating, but with the right tools and techniques, it’s a job that DIY enthusiasts can tackle with ease. However, there are some subtle differences that you should be ...