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#30 (.1285) EXTENSION DRILL BIT, COBALT 12" LONG

$12.70/Each
Part# 12-04490
MFR Model# 30COX12
SizeCobalt #PN
#304070-128512-04490

Overview

Cobalt
  • Type D Threaded Square Shank Cobalt Adaptor
     Drill NAS 965 1/4-28 UNF Class 2A Thread
  • Surface Treated-Steam Oxide
  • Drills are manufactured to NAS 965 Type D construction.
  • Cobalt drills are for drilling hard, tough, high tensile strength materials in confined areas
   
California Prop 65 Warning Symbol

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

Reviews

135* Split Point Cobalt bits are all I use so I was happy to find ACS finally carries them. High quality bits that cut clean, fast, and stay sharp longer than HSS.

Custom F Verified Purchase

#30 (.1285) EXTENSION DRILL BIT, COBALT 12" LONG

April 19, 2023

Great! Worth the extra money for sure. This is a must have for any sheet metal project with hard to get to areas

Genavco A Verified Purchase

#30 (.1285) EXTENSION DRILL BIT, COBALT 12" LONG

April 19, 2023

Great service

Chris R Verified Purchase

#30 (.1285) EXTENSION DRILL BIT, COBALT 12" LONG

February 1, 2023

Paul G Verified Purchase

#30 (.1285) EXTENSION DRILL BIT, COBALT 12" LONG

December 19, 2021

James M
June 18, 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.

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