Reamers versus Drill bits

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letsfish
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Reamers versus Drill bits

Post by letsfish » Mon Feb 16, 2015 8:08 pm

When reaming valve body bores has anyone used a drill bit instead of a reamer and had good results. Reamers seem to be quite pricey.
Thanks
Tim

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dhritsko
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Re: Reamers versus Drill bits

Post by dhritsko » Mon Feb 16, 2015 8:31 pm

I moved to tools since this may be a better site . I don't think you will have a true and good finish with a bit as you will a reamer .
Dave Hritsko
Transtar Industries
Technical Service Manager

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tranibob
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Re: Reamers versus Drill bits

Post by tranibob » Mon Feb 16, 2015 8:32 pm

Two totally different tools. You would not even come close to getting the bore within the tolerance needed. You would end up with worse bore to valve clearance then if you re-used a badly worn bore.
Robert Moreau
Technical Support Representative
Sonnax Industries, Inc.
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rmm@sonnax.com

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barrycole
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Re: Reamers versus Drill bits

Post by barrycole » Mon Feb 16, 2015 11:53 pm

I started out in the machine shop business, and a drill bit, and reamer are two different tools!! A drill bit is used to drill a hole in a material, say too put a tap into. A reamer is to remove material from the bore, too fit a precise insert. It would be like using a hole saw too hone your engine block, MAJOR BLOW BY! Reamer kits are expensive, but if you look after them and use the proper cutting fluid, they will last for many years.
Barry Cole Toronto, Ontario, Canada. Retired after 35 years

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