#22
Found this drill bit in with some garage sale auger bits.  I've never seen one like it,  This one is for drilling a hole about 3/8" diameter.  It is similar to a fortsner bit but with the auger for removing waste.  It's pretty small, and will cut but kind of dull.  How would you sharpen it?   Thanks


[attachment=16958]

[attachment=16959]

[attachment=16960]
Reply

#23
Better pics would help.
Third pic, looks like it fits in a brace?
Steve

Missouri






 
The Revos apparently are designed to clamp railroad ties and pull together horrifically prepared joints
WaterlooMark 02/9/2020








Reply
#24
It does fit into a brace. Sorry about the pics.
Reply

#25
(02-28-2019, 09:02 PM)toolmiser Wrote: It does fit into a brace.  Sorry about the pics.

I'm on a different computer at the moment, and the pic is a tad clearer.
Seems to be a forester type bit.
Steve

Missouri






 
The Revos apparently are designed to clamp railroad ties and pull together horrifically prepared joints
WaterlooMark 02/9/2020








Reply

#26
(03-01-2019, 10:19 AM)Stwood_ Wrote: I'm on a different computer at the moment, and the pic is a tad clearer.
Seems to be a forester type bit.
,,,,,,,,,,,,,,
My take as well.....Looks like it is intended for deep drilling, because it is fluted to eject the chips, unlike ordinary forschners..But I could be wrong...
Often Tested.    Always Faithful.      Brothers Forever

Jack Edgar, Sgt. U.S. Marines, Korea, America's Forgotten War
Get off my lawn !
Upset





Reply

#27
(03-01-2019, 01:59 PM)Timberwolf Wrote: ,,,,,,,,,,,,,,
My take as well.....Looks like it is intended for deep drilling, because it is fluted to eject the chips, unlike ordinary forschners..But I could be wrong...

Ditto, Had some back in the old pattern shop. Went up to about 3/4 dia in that style
Reply
#28
Wow, two weirdo tools in a row.  My best guess is a hollow auger for dowels.

Edit:  no, I'm full of chit, that's not right.  Agree with Stwood's id below.
Credo Elvem ipsum etiam vivere
Non impediti ratione cogitationis
Reply
#29
The number of variations manufacturers have come up with over the last century and a half, since the explosion of Good Ideas Not All of Which Worked Out started, would be hard to calculate.  I suspect you've got one of those.
Reply
#30
How would I attempt to sharpen it. Small needle file from the inside?
Reply
#31
Lock mortise bit.
Reply
Help identify drill bit


Forum Jump:


Users browsing this thread: 1 Guest(s)

Product Recommendations

Here are some supplies and tools we find essential in our everyday work around the shop. We may receive a commission from sales referred by our links; however, we have carefully selected these products for their usefulness and quality.