AN Bolt Gauge Kit

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$19.99
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Quick Overview

The APR AN Bolt Length Gauge accurately shows the proper length of the  AN Bolt required when original bolt lengths are unknown and helps to  choose the proper length for new holes drilled during installations of  modifications.

AN Bolt Gauge Kit

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Details

To find the length of the AN Bolt rotate the top  disc of the computer until the material thickness is shown in the top  selector window. To the left of the window find the AN Bolt diameters  (AN-3 bolt is 3/16", AN-4 is 4/16" diameter etc.) Select the bolt length in the window opposite the desired bolt diameter to be used.


The selector window shows the proper length when using two thick flat  washers. If two thin or one thick flat washer is used, reduce the bolt  length one size. If material thickness is in 1/16", 1/32" or 1/64" round to the nearest 1/8".


Color-coded AN Bolt Gauge accurately  measures AN Bolt sizes from 3/16” to 1/2” in diameter and up to 8” in  length. Graphic instructions eliminate errors to help you quickly  determine the correct bolt size. The conversion scales list fractions in increments of 1/16” from 0 to 1 inch (64 entries).


Alongside  each fraction are the decimal and millimeter equivalents. The bottom of  the conversion scales shows the mathematical formulae in one thousandths of an inch for converting millimeter to inches and inches to  millimeters. Edges of the gauge has precision 8 inch and 20.5 centimeter scales.

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