Pan head machine screw length is measured from under the head to the end of the screw.
Note: Thread length on machine screws can vary. Some longer lengths will be partially threaded.
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This item is a semi-standard size and is therefore more expensive.
Driver bits are available in various drive types and bit styles.
Screws with an Allen wrench drive.
Screws with machine threads for use with a nut or in a tapped hole.