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The Craftsman Air Compressor 921.166400, with a 12-gallon capacity, is designed to convert power into compressed air for various tasks like inflating tires or powering air tools. This page provides detailed information and repair guidelines for this oil-lubricated air compressor.

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Craftsman air compressor screws

I have a Model # 16957 Official Craftsman air compressor that has some weird screw heads. They have a nipple and a slot Can someone help with identifying these? Sorry the pic isn't very good the screw head is inside the shroud

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Hi @jasonradcl62720

Looks like a type of security or tamper proof screw head.

Can't find the exact driver but you could try using an appropriately sized snake eye bit (aka spanner bit - examples only) and see if that works.

Here's the parts list for the compressor (I think) that may also help.

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