#DRILL BITS PROFESSIONAL#
We are delighted to share our drill bit reviews from satisfied diy enthusiasts, locksmiths and professional installers.
Cobalt bits can be resharpened therefore increasing their life.ģ) Professionals choose TTP HARD cobalt drill bitsīecause our drill bits perform so well when drilling metal they are often the preferred choice for professional installers and mechanical fitters who regularly have to drill hardened steel.Improves the abrasion resistance of the drill bit, hence reducing unnecessary heat build up.This is the ability of the drill bit to maintain its cutting abilities at higher temperatures. Improves the ‘red hardness’ of the drill bit. By clicking Accept All Cookies, you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing.We have the video of the testing and the testing report available. Similarly we have had our metal cutting paste tested in order to determine its extreme pressure capabilities. Our cobalt drill bits have been tested for hardness and have received a certificate of hardness. In order to ensure our products are of the highest standard we have had them tested by two of the worlds leading testing houses. Reasons to choose TTP HARD cobalt drill bits 1) Highest Testing Standards However 5% cobalt drill bits have superb red hardness and abrasion resistance and will therefore perform superbly in the drilling of harder metals and alloys. The higher the percentage of cobalt the more brittle the drill bit will become, therefore 8% cobalt bits are better suited for controlled drilling situations, such as the use of a pedestal drill where both perfectly straight drilling and controlled drilling speed can be achieved.įor most non production drilling applications, and particularly when drilling is been performed with a hand drill M35 or 5% cobalt drills would be the preferred option as these are less brittle. Most cobalt bits contain either 5% cobalt (M35) or 8% cobalt (M42).
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