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PEP BB tool.straw.drillbit - sharpen a drill bit

BB tool care - straw badge
posted 6 years ago
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This is a badge bit (BB) that is part of the PEP curriculum.  Completing this BB is part of getting the straw badge in tool care.

Drill bits work much better when they're sharp.  Let's put a razor sharp end on those dull drill bits that you have laying around!

Here's how to sharpen a twist drill bit on a bench grinder:


And here's using a file to sharpen auger bits:


To get certified for this BB, post photos or a two minute video of:

 - close up of dull drill bit
 - mid-process with all sharpening equipment used
 - close up of the sharpened edge
COMMENTS:
 
Edward Norton
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posted 4 years ago
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Approved submission
I sharpened a rusty Russell Jennings size 12 auger bit I bought from a salvage shop.

It went in a 24 hour vinegar bath.



Here is the business end before sharpening showing the spur



Here’s the underside of the cutting lip



Sharpening the spur



Sharpening the cutting lip



Sharp spur



Sharp cutting lip



I cleaned it up with a rag wrapped around a doweling,  a tooth brush and 320 sandpaper also wrapped around doweling.

Drilling



Clean hole



Thanks for uploading the videos - very informative

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Mike Haasl approved this submission.

 
Michael Chicoine II
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posted 3 years ago
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Here is my dull drill bit to my 3/4” Southwire 4’ extended bit for running electrical wire for old work applications. Notice the large burs from hitting nails in the walls. I used an augur bit sharpening file. Cleaned up, burs gone, and now sharp!
EF941FE6-5907-467B-B9D4-F31C9E42FD75.jpeg
[Thumbnail for EF941FE6-5907-467B-B9D4-F31C9E42FD75.jpeg]
044E0E2C-AF74-4B98-977B-D43DE3EA58EB.jpeg
[Thumbnail for 044E0E2C-AF74-4B98-977B-D43DE3EA58EB.jpeg]
3AB5C77F-80BA-4AFE-9D4A-6B7BA0177EFC.jpeg
[Thumbnail for 3AB5C77F-80BA-4AFE-9D4A-6B7BA0177EFC.jpeg]
Staff note (gir bot) :

Mike Haasl approved this submission.

 
Aurora House
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posted 3 years ago
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1 in spade bit and bastard file
PXL_20221209_184055132.jpg
Bit and tool
Bit and tool
PXL_20221209_184038983.MP.jpg
Action
Action
PXL_20221210_164558921.jpg
Shiny sharp
Shiny sharp
 
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posted 1 year ago
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I borrowed this auger for making a compound mallet. To say thanks, I sharpened the drill bit. Now I will return a tool better than I was given it
20240619_143628.jpg
I wouldn't call this bit dull, bit I am trying to catch in the light that the edge has some burrs.
I wouldn't call this bit dull, bit I am trying to catch in the light that the edge has some burrs.
20240619_152253.jpg
I used a regular old file I had around that was thin enough to not damage other working surfaces while I sured up the blade of this bit
I used a regular old file I had around that was thin enough to not damage other working surfaces while I sured up the blade of this bit
20240619_153048.jpg
Close up of the burrs gone and a finer edge. It feels sharp to the touch now!
Close up of the burrs gone and a finer edge. It feels sharp to the touch now!

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Paul Fookes approved this submission.
Note: I ceertify this BB complete

 
Alexandra Malecki
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posted 1 year ago
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Approved submission

Mike Haasl wrote:
To get certified for this BB, post photos or a two minute video of:

 - close up of dull drill bit
 - mid-process with all sharpening equipment used
 - close up of the sharpened edge



Here at WL, I sharpened an auger bit. It looked like someone before me attempted to sharpen it and ate into the spur. It also looked like it had been dropped because the cutting lip was rolled over. I did my best to restore the spur.

After taking the action shot, I found that it was way easier to leverage the vice (but my photographer was gone by that point).

The sharp bit was a major improvement from when I found it!!
1_dull-auger-bit.JPG
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2_action-shot-round-file-for-the-spur.JPG
[Thumbnail for 2_action-shot-round-file-for-the-spur.JPG]
3_sharp-auger-bit.JPG
[Thumbnail for 3_sharp-auger-bit.JPG]

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Mike Haasl
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posted 4 months ago
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Approved submission

To get certified for this BB, post photos or a two minute video of:

 - close up of dull drill bit
 - mid-process with all sharpening equipment used
 - close up of the sharpened edge


I chose a big auger bit for this project.  I used a sharp triangular file to get into all the spots that needed attention (two bottom cutters and two side cutters)
Dull-auger-bit.jpg
Dull auger bit
Dull auger bit
Work-underway-with-triangular-file.jpg
Work underway with triangular file
Work underway with triangular file
One-sharp-edge.jpg
One sharp edge
One sharp edge
Second-sharp-edge-and-side-cutter-below-it.jpg
Second sharp edge and side cutter below it
Second sharp edge and side cutter below it
Better-view-of-a-sharp-side-cutter.jpg
Better view of a sharp side cutter
Better view of a sharp side cutter

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Staff note (gir bot) :

Paul Fookes approved this submission.
Note: I certify this BB complete.  Well done

 
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