RUKO Blog — Step Drills

Core Drills or Hole Saws: What is the difference?

Core Drills or Hole Saws: What is the difference?
Core Drill Bits/Annular Broach Cutters share similarities with Hole Saw Cutters, they both cut a groove around the outside of the hole leaving a solid core or slug in the middle. However, there are differences when it comes to Core Drills vs Hole Saws.

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What are the different types of drill shanks?

What are the different types of drill shanks?
Investigating and identifying: what are the different types of drill shanks, what are they used for and how they benefit the user when drilling in any material for DIY or Large Scale Construction Projects/Tasks.

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Cobalt vs HSS

Cobalt vs HSS
With so many Drill Bit options it is hard to decide which is appropriate for the task in hand. This article guide will do a head-to-head comparison between High-Speed Steel (HSS) and Cobalt to determine which is the stronger and more suitable metal material for drill bit tools.

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How To Use A Step Drill Bit On Metal: Tools And Techniques

How To Use A Step Drill Bit On Metal: Tools And Techniques
Drilling multiple-sized holes in sheet metal has become much easier with the step drill. A stepped drill bit is a conical-shaped bit with gradually increasing diameters. A sharp groove on one side of the tool serves as a cutting edge and has several levels or steps with increasing diameters from tip to end.

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How to Choose What Size Drill Bit To Use

How to Choose What Size Drill Bit To Use
Drilling is a must-have skill for both DIY home improvement and large-scale tasks. Therefore, it’s important that you choose the right size bill bit for each drilling task.

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