2a thread class right-hand 0.156" thread length knurled no. 1 head style 32 thread quantity per inch dull black nickel finish nickel surface treated unc thread series
2a thread class right-hand 0.287" thread length knurled no. 1 head style 40 thread quantity per inch unthreaded portion undercut 0.080 in. min, 0.083 in. max dia, 0.066 in. min, 0.176 in. max lg passivate surface treated unc thread series
2a thread class right-hand 0.875" thread length thumb no. 1 head style 20 thread quantity per inch 2 drilled holes in head 0.062 in. dia cadmium surface treated unc thread series
2a thread class right-hand 0.623" thread length knurled no. 2 head style 18 thread quantity per inch chromium threads surface treated unc thread series
2a thread class right-hand 3.000" thread length thumb no. 4 head style 13 thread quantity per inch semigloss black head zinc threads surface treated unc thread series
2a thread class right-hand 0.500" thread length knurled no. 2 head style 24 thread quantity per inch slotted protrusion on top of head 0.312 in. dia by 0.125 in. high unc thread series
2a thread class right-hand 1.025" thread length thumb no. 3 head style 16 thread quantity per inch 1/16 inch hole drilled through threaded portion 5/32 in. from shoulder bearing surface unc thread series
