machine bolt

noun

1. a threaded fastener, used with a nut for connecting metal parts, having a thread diameter of about 1/4 inch (6.4 millimeters) or more and a square or hexagonal head for tightening by a wrench.

machine bolt

noun

1. a fastening bolt with a machine-cut thread

Example Sentences

When the boys bashed the box, it flew off its supports with a clang and satisfying rattle, left dangling by the machine bolt. 

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Make a simple coil by winding about 50 turns of wire around a machine bolt core.

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The Core is made of a 5⁄16 machine bolt, 2½ in. long.

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In a portion of the mill building, originally used as a puddle mill, is located the bolt and nut works, wherein are made track bolts and machine bolts.

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There are many forms of bolts in the market, but the ordinary "machine bolt," 5⁄16 in. in diameter, is best for our purposes.

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