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BEGINNER'S BOLT KITS

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Overview

UNDRILLED KIT
102 PIECES
AN3
QTY
AN4
QTY
AN5
QTY
-3A 4 -5A 6 -4A 6
-4A 6 -6A 6 -6A 6
-5A 6 -7A 6 -10A 6
-6A 6 -10A 6 -11A 6
-7A 6 -11A 6 -13A 4
-10A 6 -15A 4 -14A 6


DRILLED KIT
102 PIECES
AN3
QTY
AN4
QTY
AN5
QTY
-4 6 -6 6 -6 6
-5 6 -7 6 -10 6
-6 6 -10 6 -14 6
-7 6 -12 6 -15 4
-10 6 -13 6 -16 6
-11 4 -14 4 -17 6

Size Reference

AN3(10-32)
  • -3: Nominal Length (15/32) / Grip Length (1/16)
  • -4: Nominal Length (17/32) / Grip Length (1/8)
  • -5: Nominal Length (21/32) / Grip Length (1/4)
  • -6: Nominal Length (25/32) / Grip Length (3/8)
  • -7: Nominal Length (29/32) / Grip Length (1/2)
  • -10: Nominal Length (1-1/32) / Grip Length (5/8)
  • -11: Nominal Length (1-5/32) / Grip Length (3/4)

AN4(1/4-28)
  • -5: Nominal Length (21/32) / Grip Length (3/16)
  • -6: Nominal Length (25/32) / Grip Length (5/16)
  • -7: Nominal Length (29/32) / Grip Length (7/16)
  • -10: Nominal Length (1-1/32) / Grip Length (9/16)
  • -11: Nominal Length (1-5/32) / Grip Length (11/16)
  • -12: Nominal Length (1-9/32) / Grip Length (13/16)
  • -13: Nominal Length (1-13/32) / Grip Length (15/16)
  • -14: Nominal Length (1-17/32) / Grip Length (1-1/16)
  • -15: Nominal Length (1-21/32) / Grip Length (1-3/16)

AN5(5/16-24)
  • -4: Nominal Length (19/32) / Grip Length (1/16)
  • -6: Nominal Length (27/32) / Grip Length (5/16)
  • -10: Nominal Length (1-3/32) / Grip Length (9/16)
  • -11: Nominal Length (1-7/32) / Grip Length (11/16)
  • -13: Nominal Length (1-15/32) / Grip Length (15/16)
  • -14: Nominal Length (1-19/32) / Grip Length (1-1/16)
  • -15: Nominal Length (1-23/32) / Grip Length (1-3/16)
  • -16: Nominal Length (1-27/32) / Grip Length (1-5/16)
  • -17: Nominal Length (1-31/32) / Grip Length (1-7/16)
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Reviews

Purchased this as stock to have at the hangar, for the occasional need of an AN bolt. There are some sizes that I will never need ... but overall the kit provides a good selection.

R. C
December 14, 2019

Q&A

Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: How can I determine what the thread size is using the AN spec?

We have added a tab on this web page titled "Size Reference". Please refer to it for complete sizing information. AN3 (10-32), AN4 (1/4-28), AN5 (5/16-24)

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