What kind of reamers are these?

[tmenyc]

The votes are swinging toward masonry bits, so of nonexistent use in the lathe...I was wonderjng how they would be chucked and centered.

 

[TonimusMaximus]

Check this out:

Vintage Rawlplug RAWLDRILL masonry Bits No 12 England | #1910979293

Payment via PAYPAL only. Ships to US only including Alaska, Hawaii, Puerto Rico, Guam and the U.S. Virgin Islands. Payment must be made within 4 days. You're bidding on 7 Vintage masonry bits. Five ar

www.worthpoint.com

 

[francist]

Way to go!

-frank

 

[TonimusMaximus]

VINTAGE RAWLPLUG No. 14 MASONRY BORER WITH FOUR BITS, JUMPER TOOL | #1772878229

A classic example of a tool made almost obsolete by the battery drill. This is the Rawlplug number 14 Masonry bit set for boring holes into masonry before the days of electric drills, or anywhere you

www.worthpoint.com

Here's the holder that they go with. A true hammer drill. You hit it with a hammer and rotate slightly between blows.

 

[tmenyc]

great research!

Tim

 

[savarin]

I can remember using the solid one piece rawlplug drills, surprisingly efficient until you hit a hard stone in concrete then it took a bit more effort.

 

[mmcmdl]

They look like what used to be called "star" drills for masonry . I still have a boxfull down in the basement that I occasionally use for cinderblock .

 

[Illinoyance]

In the70s I had a Milwaukee hammer drill that used only "A" taper shank drills like those shown.