Prime-Line 9074496 Machine Screw Hex Nuts, 1/4 In.-20, Solid Brass (25 Pack)
$10.72
by PRIME-LINE
Size: 1/4 inch-20 Very common and versatile nut Same in design as a standard hex nut, but smaller to accommodate machine screw sizes Screws onto a machine screw of the same thread size Often used with a washer with same diameter opening