Used in a hand drill, it's not hard to break through the coating and then you just have a plain HSS bit.<BR><BR>I've used cobalt bits to drill the case hardened head on allen bolts for safety wire ...

Most DIYers recognize the importance of using the right tool for the job. But while they may spend hours researching what drill to purchase, they often fail to give enough consideration to what ...

New to the Lackmond Product line up of drilling ... chipping steel in SDS Plus, SDS MAX and Spline drives is also available. SDS Plus, SDS Max and Spline 4 Claw carbide masonry drill bits are ...

Grego: The perception in the industry is that a product with carbide on it is a better-performing product. For example, when you consider a circular saw blade with standard steel teeth versus a ...