1/4"-20 Socket Head Screws

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Our Socket Head Machine Screws are the strongest screws we offer.  These screws are heat treated, have a black-oxide finish and exceed Grade 8 standards. These are the same screws that are supplied in our mechanical kits.  From 1.00” length and up these screws are not fully threaded.  Machined from high-strength alloy steel with a Rockwell hardness of C39-C45 and a minimum tensile strength of 180,000 psi. Length is measured from below the head.

SKU Length Price
632406 0.250" (1/4")
$4.99 / 6 Pack
632410 0.375" (3/8")
$4.99 / 6 Pack
632414 0.500" (1/2")
$4.99 / 6 Pack
632418 0.625" (5/8")
$4.99 / 6 Pack
632420 0.750" (3/4")
$4.99 / 6 Pack
632422 0.850" (7/8")
$4.99 / 6 Pack
632424 1.00"
$4.99 / 6 Pack
632428 1.250" (1-1/4")
$4.99 / 6 Pack
632432 1.500" (1-1/2")
$4.99 / 6 Pack
632434 1.750" (1-3/4")
$4.99 / 6 Pack
632436 2"
$4.99 / 6 Pack