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21/64 (.3281) Extension Drill Bit, HSS 6 Long

$17.55/Each
Part# 12-04281
MFR Model# 4010-3281
SizeHSS #PN
21/644010-328112-04281

Overview

High Speed Steel
  • Type B Threaded Hex Shank HSS Adaptor
      Drill - NAS 965 1/4-28 UNF Class 2A Thread
  • Surface Treated-Steam Oxide
  • Drills are manufactured to NAS 965 Type B construction.
  • High Speed Steel drills are for drilling general to medium duty, low tensile strength materials in confined areas.
   
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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Reviews

These aircraft drills are excellent. I have bought numerous ones and they are really well made and work well

Bob S
February 13, 2020

The numerous 6 drill bits I ordered are really nice bits. Appear well made and drill well. Just what I wanted.

Robert S
April 5, 2019

very well made,perfect for my use-wish the rest were not back ordered

Kenneth P
September 14, 2018

Robb
August 28, 2017

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 long is the 1/16 drill bit?

These are all 6 inch length.