Nsr thread

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Nsr thread

Postby MikieG » Sat Sep 14, 2019 11:03 am

I have a Trsf chassis. The rear aluminum wheel grub screw thread is stripped. I have some NSR chassis grub screws to install. I need to know what drill and tap I need for the NSR grub screw.
Thanks MikieG
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Re: Nsr thread

Postby gascarnut » Sat Sep 14, 2019 11:21 am

Thread size is #4-40 UNC, tapping drill is #43.

Remember to lubricate the tap with tapping fluid or even some denatured alcohol, and back off the tap every half turn or so to break the chips.
Last edited by gascarnut on Sat Sep 14, 2019 12:39 pm, edited 1 time in total.
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Re: Nsr thread

Postby MikieG » Sat Sep 14, 2019 11:28 am

Thank you sir!
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