2b thread class right-hand 32 thread quantity per inch rectangular (obtuse) , unisirut, nut w/120 deg angle; 0.582 in. from c hole to outside corner along lgth; 0.245 in. from center hole to r outside corner along wth oxide film surface treated
2b thread class right-hand 20 thread quantity per inch rectangular, unistrut, nut w/120 deg angle; 0.582 from c hole to l outstde corner along lght; 0.245 in. from center hole to r outside corner along wth (obtuse) oxide film surface treated
