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Those Cool Black and Silver Chinese Cases - Screw Pitch?
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Author:  Geek [ 30 Dec 2017, 22:50 ]
Post subject:  Those Cool Black and Silver Chinese Cases - Screw Pitch?

Hi Folks,

Got a machining question here.

Those Ebay/AliExpress amp cases use M3 and M4 hardware. Does anyone know if the pitch is 0.5 or 0.7 :confused:

The reason is I have some mismatches from seller "oopsies" and am going to buy some taps and make useful cases out of them with the existing hardware they supply.
(that and Imperial socket-cap-head screws are getting astronomical as they're being phased out for metric, which are falling to pennies)

Thanks for any help!

Author:  gofar99 [ 31 Dec 2017, 18:10 ]
Post subject:  Re: Those Cool Black and Silver Chinese Cases - Screw Pitch?

Hi, Not sure about all the case...but the ones I have here are 0.5.

Good listening
Bruce

Author:  Geek [ 31 Dec 2017, 22:06 ]
Post subject:  Re: Those Cool Black and Silver Chinese Cases - Screw Pitch?

Thanks, Bruce!

0.5 is standard for the 3mm, so I'mma assume standard for the 4mm as well.

The jobber taps for once-in-a-blue-moon use aren't expensive - $3 each. I may as well get both, then use the other for trade with a machinist buddy.

Cheers!

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