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Drilling

Hammer Drill vs. Rotary Hammer – The Real Difference

When drilling small holes to concrete, you have two tools to choose from: a hammer drill (impact drill) or a rotary hammer. The tools work just the same: knock and rotate the bit. But they are called different because they generate the impact in different ways, and rotary hammer is the one with more impact […]

Categories
Drilling

Drilling Stainless Steel: Applications

In the previous part of this series, we learned how to drill austenitic stainless steels on a general level: which bits to use, speeds and feeds, ans so on. Armed with this information, you should be able to successfully complete most stainless drilling tasks. However, stainless steel products come in different sizes, shapes and alloys. […]

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Drilling

How to Drill Stainless Steel

We learned in the previous article that stainless steel is not exactly hard as such, but tough, work-hardening and generates a lot of heat when cut. And that it is these things that make drilling it so difficult. But the practical question remains: how could you still drill it? And how to do it as […]

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Drilling

Why is Stainless Steel so Hard to Drill?

Stainless steel is one of the few common construction metals that hold up in harsh conditions. Condensation, rain, or even splashes of salt water or acids – many stainless steels can take on all of this. When looking for a widely available and relatively affordable high-strength material for wet, outdoors or marine environments, the austenitic […]

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Drilling

Spade vs. Forstner Bits

Spade bits and Forstner bits are two drill bit types that you can use to cut large-diameter holes into wood and wood products. Each type has its advantages and limitations, and choosing between them is not always easy for the beginning woodworker. In this article, I compare these two bit types based on my experience, […]