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Forum topic by jman75 posted 46 days ago 534 views 0 times favorited 10 replies Add to Favorites Watch
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85 posts in 587 days

46 days ago

Topic tags/keywords: question

Anyone know what kind of bit this is? Acquired it from a friend and tried looking up the numbers and company but I got nothing!

10 replies so far

View Gene Howe's profile

Gene Howe

5550 posts in 2061 days

#1 posted 46 days ago

Looks like a “Star Bit” for drilling concrete. Impact, not rotary action.
Well used.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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85 posts in 587 days

#2 posted 46 days ago

I know the person who had it used a metal lathe so I thought it was somewhere along those lines

View bigblockyeti's profile


1494 posts in 353 days

#3 posted 46 days ago

It is a metal ream, designed to fit in a morse taper socket. It won’t last too long in a concrete application as its intent is to provide a very precise diameter in a blind or through hole.

View jonah's profile


452 posts in 1931 days

#4 posted 46 days ago

I was going to say some kind of ream, but yeti beat me to it.

View Pezking7p's profile (online now)


1115 posts in 284 days

#5 posted 46 days ago


-- -Dan

View diverlloyd's profile


238 posts in 490 days

#6 posted 46 days ago

It’s a reamer the size should be on the shank. It’s for making a hole an exact size after it’s been bored. Using one on a large hand held drill is not a fun job. But the steel they are made makes good knives.

View ErikF's profile


336 posts in 876 days

#7 posted 45 days ago

What size is it? I do a fair amount of turning on the lathe and could always use one more reamer.

-- Power to the people.

View jman75's profile


85 posts in 587 days

#8 posted 45 days ago

It is a 3/8…but I have a few more

View Slemi's profile


25 posts in 174 days

#9 posted 45 days ago

This is actually reamer for making very exact holes in metal. I don’t think it is sharp enough for boring/reaming wood.

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Don Broussard

1946 posts in 884 days

#10 posted 42 days ago

I’m sure the previous replies have already nailed what this piece is, but I noticed during disassembly of my drill press, that the star-shaped end showed up. I think it’s the gear that turns the quill shaft.

-- People say I hammer like lightning. It's not that I'm fast -- it's that I never hit the same place twice!

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