Cinch 40-98442F Screw Lock

40-98442F from Cinch is a screw lock. When looking at the outside of this screwlock, you may find a hole at its head.
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Please note that this is an inner thread inside the head. Its size is same as its major diameter.

To check this screw lock dimension detail, please check its datasheet.

for more information on major diameter and screw threading in general, check out our post “Choosing a Screw by the Thread Size”.