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Screw,Drive MS21318-21

Packaged Items
SinglePack of 25
Dash No.MS No.Dia.
(in.)
Length
(in.)
Recommended
Drill Size
Part No.
AN535-4-4MS21318-21.1161/4#37 (.104)MS21318-4-4

Overview

Hardened steel screws to make permanent fastenings to ferrous and non-ferrous castings, heavy gauge steel, plastics, etc. Cadmium plated.
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Reviews

Perfect fit, works great

Earl C Verified Purchase

Screw,Drive MS21318-21

July 25, 2024

Very good quality screw rivets, fit perfectly,easy to use

Earl C Verified Purchase

Screw,Drive MS21318-21

July 25, 2024

Jorge L Verified Purchase

Screw,Drive MS21318-21

March 1, 2024

Jorge L Verified Purchase

Screw,Drive MS21318-21

March 1, 2024

Q&A

Please note, Aircraft Spruce Canada'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 Canada 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: For the length of these drive screws, is it measuring from the top of the head or from the base of the head?

These are measured from below the head to the tip.

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