Aircraft Spruce Australia
Melbourne, VIC Australia
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AN525-416R7 Screw
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| Dash No. | Length in. | Grip in. | Thread Size |
|---|---|---|---|
| AN525-416R7 | 7/16 | 1/16 | 1/4-28 |
Overview
| High-strength machine screws fabricated from alloy steel per specification QQ-S-689. Tensile strength 125,000 PSI. Cadmium plated per QQ-P-416A, Type II, Class 3. Cross-recessed head. |
Reviews
Perfect for cessna 150 fuel tank cover, used zinc anti-seize.
I intend to use these screws on a hobby project in my Life Steam Railroading hobby. They will be used in four screw rail joints to join the ends of one inch high Steel rail sections.
Great
Much more durable than the old ones.
Good stuff!
These are excellent. Much more durable than the others Ive used. Just make sure the shank isnt too long for your project.
Works as described
The part number on Aircraft Spruce matched up perfectly with my Cessna Parts Manual. The screw attaches the window bracket to the window. It was a perfect fit and I was very pleased with the cost and the fast shipping!! Great Job guys! Thank you.
Exactly what I wanted.
Good service, exactly what was ordered
Q&A
Please note, Aircraft Spruce Australia'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 Australia 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.
The R stands for Recessed (Phillips) Head Steel Screw.
Steel Spec: High Tensile Strength of 125,000 PSI
Alloy Spec: High Tensile Strength of 62,000 PSI
No, these are made of cadmium plated steel.
The AN525-832R4 are cad plated, which would resist rust until it eventually wears off.
AN365-832A
They are high strength/structural. You would need to verify the correct screws per your parts manual.
