Stef den Boer wrote:
I am still in a doubt to use the M8.8 or to order the AN5/16 Bolt. I
have found
that a M 8.8 Bolt is a grade 5. So I did a search for the AN Bolt
but
cant Find
no grade information for NAS or AN bolts.
There are a lot of different kinds of AN and NAS bolts...probably even
some aluminum and plastic. So you need to look at the specs for the
particular bolts you need to buy to get those numbers. In general
though, the AN5 bolts that Aircraft Spruce sells are far superior to
grade 5, if that answers your question.
From their website for AN6:
Hex head aircraft bolts are made of high-strength type 4037 or 8740
alloy steel (type 8740 is most commonly used). The bolts are centerless
ground and threaded after heat treatment. Minimum tensile strength
125,000 PSI. Cadmium plated per specification QQ-P-416A, Type II, Class
3. Available with shank drilled for cotter pin or undrilled for stop nut
application, and with or without drilled head for safety wire. Specify
bolts to have undrilled shank by adding letter "A" after the dash
number. For bolts with drilled head add letter "H" after the AN number.
See illustrated examples. "C" represents Type 431 Stainless Steel
(contains iron which is magnetic). The length of AN aircraft bolts is
measured from under the head to the end of the shank. The "grip" is the
unthreaded portion of the shank. See table for conversion of length
and/or grip to proper AN callout.
Mark Langford
m...@n56ml.com
http://www.n56ml.com
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