Well Nuts Description AMK Finish OEM Part # Origin AMK Part # CLICK FOR PRICING 8-32 WELL NUT .42 D BODY. 4 pk Plain Finish (KHG) B-12935 10-24 WELL NUT .38 D X .19 HH. 3 pk Plain Finish (KQN) 3876130 B-12936 1/4-20 WELL NUT .50 D BODY X .74 D X .19 HH. 2 pk Plain Finish (LQR) 3903539 B-10608 1/4-20 WELL NUT .50 D X .63 HH. 4 pk Plain Finish (KQO) B-12937