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HomeShop by BrandAPR IndustriesAPR Industries DANBG Deluxe AN Bolt Gauge
APR Industries DANBG Deluxe AN Bolt Gauge
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APR Industries DANBG Deluxe AN Bolt Gauge

Part#: DANBG
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Pocket size stows easily in flight case or toolbox!

APR's innovative combination AN BOLT GAUGE and 388 quick CONVERSION SCALES with rulers is a must for pilots, mechanics, aircraft owners, and anyone who uses AN Bolt hardware. This pocket-size tool is manufactured with high-stress vinyl and is the only AN Bolt Gauge combined with conversion scales and rulers.

APR's color-coded AN Bolt Gauge accurately measures AN Bolt sizes from 3/16" to ?" 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 1/6" from 0 to 1 inch (64 entries). Parallel to each fraction are the decimal and millimeter equivalents. The bottom of the conversion scale shows the mathematical formulae for conversions in one thousands of an inch in millimeters to inches, and inches to millimeters. Precision 8" and 20.5 centimeter rulers are included on the sides of the bolt gauge.

Product Details
UOM : Each
Shipping Weight : 0.05 pounds
Manufacturer P/N : DANBG
Disclaimer: While reasonable efforts have been made to ensure all information on this website is accurate, and Styles Logistics, Inc. do not assume responsibility for any errors or omissions. All specifications, illustrations, data and prices are subject to change without notice.


  • Fractions to Decimals
  • Fractions to Millimeters
  • Decimals to Fractions
  • Decimals to Millimeters
  • Millimeters to Fractions
  • Millimeters to Decimals

8 5/8" x 2 1/2"

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