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5 1/4 x 3 inch screws shown with a mechanical pencil for scale.
5 1/4 x 3 inch screws shown with a mechanical pencil for scale.
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1/4" x 3" Machine Screw (5 pack)
$1.40

Includes free technical support.Learn More
Introduction:

Phillips head machine screw 3' X 1/4 dia 20 TPI.

Description:

This is a phillips head machine screw with a length of 3 inches and diameter of 1/4 inches. The length is based on the actual screw length not including the head of the screw. The thread is UNC (Unified National Coarse) which is for this 1/4 inch screw is 20 TPI (Threads per inch).

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