[SEL] NC or NF thread

[Paul Maples]

Rick, I purchased a NF Grade 8 Bolt and tap but then someone suggested that 
the threads on a coarse bolts were deeper and when I compared the two taps 
the coarse thread did have deeper threads so I went with the coarse bolt and 
tap but ended up welding a bolt to the key itself and pulling it out.

Paul

----- Original Message ----- 
From: "Richard Strobel" <Richard_Strobel7 at msn.com>
To: "sel" <sel at lists.stationary-engine.com>
Sent: Friday, April 15, 2005 9:23 AM
Subject: [SEL] NC or NF thread


> Howdy again;
>  This came up when Paul was pulling his Gib Key.  What thread is most 
> preferred when installing the bolt in order to get the key out?  I 
> suggested NF only because that's what the aircraft I've worked on have.
>
> Headed for the shed.
>
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