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Old 02-15-2016, 07:43 PM   #1
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drilling through block/brick


Need to drill a 3" diameter hole through hollow block/brick wall. Bosch has a core bit and there are various size small diameter 12" sds bits to drill multiple holes and knock out waste. Would be using a rotary hammer drill 1 1/8" 8 amps. Not sure if this is enough for the core bit. Anyone try both methods? Preference? Thanks.
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Old 02-15-2016, 08:22 PM   #2
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just take a small sledge and knock a hole in the block and trim it out with the bit in your hammer drill, then drill a few holes in a circle on the brick and chop out, ur done in no time...the core bits are more for poured concrete foundation..hollow block is weak..and brick will drill easy..
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Old 02-15-2016, 10:44 PM   #3
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If you want a neatly drilled hole, get a diamond core bit, otherwise as Whatruns stated, just do it that way.



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