machine screw

noun

1. a threaded fastener, either used with a nut or driven into a tapped hole, usually having a diameter of about 1/4 inch (6.4 millimeters) or less and a slotted head for tightening by a screwdriver.

machine screw

noun

1. a fastening screw with a machine-cut thread throughout the length of its shank

Example Sentences

DeFiore’s drama started innocently enough, with the arrival of a simple envelope holding two tiny machine screws.

Read more on Seattle Times

They had also put in the top plug and the nozzle with machine screws rather than welding them.

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Fully dismantle your grinder into these pieces: Screw the motor into the lid using your four 4-40 machine screws.

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You can boost the holding power by replacing the existing screws with machine screws and matching threaded inserts.

Read more on Washington Post

Make three holes in the base in a triangular pattern and slot in the three machine screws - these need to be at least 40mm long.

Read more on BBC