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BOSCH HC8531 CORE BIT

I NEED USERS MANUAL FOR THE BIT. DO YOU USE WATER WHEN DRILLING INTO CONCRETE?

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No u dont need water when drilling into concrete with a concrete bit.

Posted on Dec 05, 2008

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I bought a rotary hammer drill from Asia 220V/60Hz & I want to use this in Canada 110V/60Hz Can I use Step down transformerconverter available in amazon or ebay?


Yes you can.
Make sure the transformer is rated for more power than the drill label states so that you don't burn up the transformer if you stick the drill bit.
For instance, if the drill is rated for 5 amps at 230 volts you should get a 1500 watt transformer. 230 x 5= 1150 watts; the next common size up is 1500 watts. You don't want an 1200 watt if it is available.
Transformers are also rated in KVA [Killovolt-amps] so the same transformer would be 1.5 KVA.
Do the math for your drill and save future problems. If a transformer doesn't have a rating with real numbers, avoid it. There are lots of really cheap ones on the market that you will regret buying.

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This is a very easy fix - you have a quick change chuck on this tool. Turn the chuck counter-clockwise and pull it straight off - the new one goes on the same way. Quick Change Bit Chuck
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http://www.makitatools.com/en-us/Modules/Tools/ToolSupport.aspx?ID=352

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1 Answer

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I order parts for my Bosch tools at WWW.toolpartsdirect.com. They have the parts lists also so it is easy to find what you need. Don't forget to order some bosch grease for your tool because you will need to carefully wash-out all the old grease with metal bits. Good luck with you repair. Enjoy

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