TRAVERSE CITY, Mich. - Jan. 13, 2020 - When it comes to drilling metals Stainless steel is without a doubt the metal which causes most difficulty to both professionals and enthusiasts alike. TTP HARD drills supply cobalt drill bits which make the task considerably easier.

TTP HARD drill bits are used by professional installers, mechanics and home improvement enthusiasts worldwide. Available in imperial and metric sizes they can bought online at www.ttp-hard-drills.net.

Their website contains videos and top tips for drilling harder metals with an entire section dedicated to drilling stainless steel. A section on customer reviews contains words from satisfied customers some of whom find it hard to contain their joy in finding a drill bit that works so well.

Founder and company owner Brendan Kennedy emphasises the importance of educating customers on how to drill metal efficiently. He believes a large part of their success is down to providing simple guides and advice to customers. He explains that the biggest problem which can occur when drilling stainless steel is for it to 'work harden'. This happens when excessive friction causes too much heat build up. The result is that the metal actually becomes harder than it was in the first place. It is crucial that you avoid this happening.

You can avoid work hardening by

Drilling at a slow to moderate speed so as to avoid excessive friction.
Using plenty of drilling lubricant.
Applying moderate pressure – above all do not apply too much pressure.
Rest periods – allow the drill bit to cool down between drilling sessions.
If drilling a large hole then first of all start with a smaller diameter hole first and then work up gradually to desired size.


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