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Old 01-21-2010, 07:39 PM   #1
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Default set screw using on motor pinion

What is the size of set screw using on motor pinion? thanks
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Old 01-21-2010, 07:41 PM   #2
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Most older ones are 4-40 (uses a .050 wrench). Most newer ones I believe are 5-40.
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Old 01-21-2010, 08:01 PM   #3
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Quote:
Originally Posted by wingracer View Post
Most older ones are 4-40 (uses a .050 wrench). Most newer ones I believe are 5-40.
Thanks for your help
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Old 01-21-2010, 08:03 PM   #4
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Thanks for your help
I think it may be not. I'm using RW racing pinion.
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Old 01-21-2010, 08:24 PM   #5
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If it is metric screws, you need 3mm x 3mm set screw (or sometimes called m3 set screw)... it uses a 1.5mm hex screw driver.
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Old 01-21-2010, 09:50 PM   #6
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Quote:
Originally Posted by hardmankam View Post
If it is metric screws, you need 3mm x 3mm set screw (or sometimes called m3 set screw)... it uses a 1.5mm hex screw driver.
Oops, should have mentioned that. Every pinion I have ever used was made in America but of course, foreign pinions will use metric.
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