RUKO Blog — Countersinks

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 Countersink A Screw

How To Countersink A Screw
A guide to countersink drilling in metal such as stainless steel utilising professional Thread Cutting Tap & Die Drill Tools. Two Methods: Machine Taps and Twist Drills as method 1 and Hand Taps and Twist Drills as method 2.

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Countersink A Countersunk Screw

Countersink A Countersunk Screw
A flush flat surface can create a nice affect within your material/workpiece. To keep the screw heads or nuts flush requires a process called Countersinking.

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How To Use A Countersink Drill Bit For Metal: Pro Tips For Effective And Safe Use

How To Use A Countersink Drill Bit For Metal: Pro Tips For Effective And Safe Use
It is not uncommon to find screw heads that have been incorrectly placed, causing them to stick out from the surface. Not only is this unsightly, but the protruding screw heads can also be dangerous, as it can result in a severe cut or scratches. Additionally, if these screws can't be tightened all the way, items may get caught on the head of the screw. Countersinking your hole before inserting the screw is one way to avoid this problem in the future.

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