(KQO) S Finish Code: Plain Description Part # Price PC COST 1/4-20 WELL NUT .50 D X .63 HH. 4 pk B-12937 $5 $1.2500 1/4-20 WELL NUT .50 D X .63 HH. 10 pk B-12937-10 $9 $0.9000 1/4-20 WELL NUT .50 D X .63 HH. 25 pk B-12937-25 $22 $0.8800 1/4-20 WELL NUT .50 D X .63 HH. 50 pk B-12937-50 $41 $0.8200