RCU Forums - tapping question

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ernest2

07-14-2005 12:05 AM

tapping question

hi! first of all i dont know where to post this, so sorry if im in the wrong forum.
my homie engine has a 3/8 - 24 thread on the shaft. now i need to build a prop adaptor to it. i have a solid stainless shaft. now i need to know what should be the size of the hole i need to drill into my prop adaptor so i can tap it with 3/8-24. thanks!
ernest

Antique

07-14-2005 01:31 AM

RE: tapping question

.328, or 21/64 expressed as a fraction..[8D]

w8ye	07-14-2005 04:40 AM

RE: tapping question

Here's a chart of the dimensions of other sizes also....

http://www.efunda.com/DesignStandard...s/tapdrill.cfm

Enjoy,

Jim

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