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DZUSŪ FASTENER INSTALLATION MS-7301 TOOL

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Overview

The MS-7301 tool easily adjusts DzusŪ fastener springs for a perfect fit every time. Great for Warbirds and vintage aircraft. Bend springs in or out with a few simple turns.

Reviews

There is no need for the tool profile to mimic the Dzus fastener profile. This weakens the tool in tension. I had two fail on first use. I made a replacement by machining a single hook in a 5/8 AN grade bolt, twice as strong, works great.

Hal S
March 6, 2017

Broke the first time I used it. Your better off making your own.

David
July 29, 2019

End of tool sheared first time using it.

David
March 31, 2021

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.