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What kind of steel does Gerber use?

au Offline TheDude

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What kind of steel does Gerber use?
on: November 11, 2015, 12:34:56 PM
I am using the Gerber Grapplers ruler/pry-bar to mod another tool and trying to redrill the hole bigger. Ruined a dremel bit already and getting nowhere with a standard steel bit. Really didn't want to spend the money on a specialty tungsten carbide diamond coated bit or some such smurf. For a one off mod. Anyone else had this problem?
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« Last Edit: November 11, 2015, 02:18:30 PM by TheDude »
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nz Offline zoidberg

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Re: What kind of steel does Gerber use?
Reply #1 on: November 11, 2015, 12:54:39 PM
Try a chainsaw file or anneal it.


gb Offline pingu

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Re: What kind of steel does Gerber use?
Reply #2 on: November 11, 2015, 01:16:39 PM
Use a cheap diamond burr to open up to near diameter then if accuracy and roundness is important true up with a cheap cobalt drill.



au Offline gregozedobe

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Re: What kind of steel does Gerber use?
Reply #3 on: November 11, 2015, 03:28:40 PM
I've bought round diamond files (relatively) cheaply from the bay of thieves in the past, with some persistence that will probably get the job done.
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scotland Offline Gareth

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Re: What kind of steel does Gerber use?
Reply #4 on: November 11, 2015, 03:58:28 PM
I'd go with the annealing idea as being the cheapest option.

It's actually quite reassuring that Gerber's steel isn't all that easy to drill.
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cy Offline dks

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Re: What kind of steel does Gerber use?
Reply #5 on: November 11, 2015, 04:04:20 PM
SS is always a pain to drill through, even on cheap knives.
Annealing should be done carefully, possibly with a blowtorch so as to only affect the area you want to drill through.
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gb Offline pingu

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Re: What kind of steel does Gerber use?
Reply #6 on: November 11, 2015, 06:19:18 PM
I don't have a drill press so need to do something else.    These are not expensive and a single pack usually allows me make a hole through LM and Vic steel.  Don't recall trying Gerber and a knock-off Pocket Wrench II defeated the method.  Too hard and too thick.  Needs a bit of care otherwise the tip has a tendency to melt and fill the hole  :facepalm:

http://www.amazon.co.uk/30Pcs-Diamond-Burrs-Grits-Rotary/dp/B00C4PZ2QG
« Last Edit: November 11, 2015, 06:22:10 PM by pingu »


gb Offline AimlessWanderer

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Re: What kind of steel does Gerber use?
Reply #7 on: November 11, 2015, 06:55:14 PM
I think would go for diamond burrs or files, or coarse emery rolled up around a nail or something in a drill chuck - abrade rather than cut, and cool regularly. Annealing means the tool will be left soft, and could compromise the mod you're doing, even if it's only part of the tool that's annealed.

It's not just the fact it's stainless, drills the don't always like. Opening holes up - they're much happier cutting from solid. When opening out they can "snatch" more, even if using a drill press. Also, if you do want to drill, use a good lubricant. If you can't have a steady flow of coolant or sit it in a bath of oil, try a more viscous oil or even some grease. You might need to wipe this off and apply fresh partway through depending how it's cutting. Use very light pressure when opening up by a small amount to reduce grabbing too


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au Offline TheDude

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Re: What kind of steel does Gerber use?
Reply #8 on: November 12, 2015, 03:47:20 PM
I pulled it off. Just. Thanks team. :salute:
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scotland Offline Gareth

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Re: What kind of steel does Gerber use?
Reply #9 on: November 12, 2015, 03:55:32 PM
Good news.  Now we just need to see the final mod. :)
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gb Offline AimlessWanderer

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Re: What kind of steel does Gerber use?
Reply #10 on: November 12, 2015, 04:05:22 PM
:2tu:


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au Offline TheDude

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Re: What kind of steel does Gerber use?
Reply #11 on: November 12, 2015, 10:32:25 PM
Full story on another post. Not yet final but....
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cy Offline dks

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Re: What kind of steel does Gerber use?
Reply #12 on: November 14, 2015, 01:37:04 PM
Just be grateful they are not using "Surgical steel".
That would have been impossible to drill through..
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gb Offline pingu

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Re: What kind of steel does Gerber use?
Reply #13 on: November 14, 2015, 03:36:46 PM
Well some "surgical steel" is 440 which we are all familiar with.  Definitely hard to drill but surgical steel is more commonly 316 with circa 37 hardness.


cy Offline dks

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Re: What kind of steel does Gerber use?
Reply #14 on: November 14, 2015, 03:42:34 PM
a joke was missed..  :)
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gb Offline pingu

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Re: What kind of steel does Gerber use?
Reply #15 on: November 14, 2015, 04:40:41 PM
Well some "surgical steel" is 440 which we are all familiar with.  Definitely hard to drill but surgical steel is more commonly 316 with circa 37 hardness.

Still missing. You'll need to spell it out.


 

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