How to drill 25mm holes through 25mm plate with a core drill

Unist Coolube can be used in a manual situation as well as the more common auto situation. With this set up we drilled some 20 holes before the slugger became blunt. All the time the slugger drill remained cool because of the Coolube reducing the friction therefore reducing the heat. There are many benefits to be gained by employing the Unist “Near Dry Slugger drilling” mist system. Read about the top ten ways to extend your tool life.

Also at the same time check out the benefits of using Coolube over other cheaper products that are on the market.

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