Attributes . (8) Spin-lock Nut, #12 x 1 with neoprene washer(2) Nylock Nut, #12 x 5/8 with neoprene washer(20) Sheet Metal Screw, 1/4-20 x 3/4, 1/4-20 x 3/4(32) Spin-lock Nut, 1/4-20(2) Spin-lock Bolt, 1/4-20(32) Flat Head Bolt, 5/16-18 x 3/4(48) Sheet Metal Screw, 5/16-18(8) Spin-lock Bolt . Names