3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.4275" grip length 28 thread quantity per inch furnished without bolt anodize sleeve surface treated unjf thread series
3b thread class right-hand flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.4500" grip length 28 thread quantity per inch anodize sleeve surface treated unjf thread series
3a thread class right-hand 0.282" thread length flat countersunk head style 0.625" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.371" thread length fillister countersunk head style 28 thread quantity per inch socket drive recess in thread end, 0.095 in. nom. width across flats unjf thread series
3a thread class right-hand 0.371" thread length fillister countersunk head style 28 thread quantity per inch socket drive recess in thread end, 0.095 in. nom. width across flats unjf thread series
Used on m1 tank. 2a thread class right-hand 1.620" thread length knurled no. 1 head style 16 thread quantity per inch cadmium surface treated unc thread series
1.990" inside diameter 2.308" outside diameter 0.197" major thickness straight gap ring style all outside corners are rounded with a radius of 0.010 to 0.020 in.; inside corner has a radius of 0.005 to 0.015 in. matl is heat treated to 180/200 ksi ultimate tensile cadmium surface treated
2a thread class right-hand 0.500" thread length headless (setscrew) head style 18 thread quantity per inch navy special project passivate surface treated unf thread series
2a thread class right-hand 2.250" thread length square head style 2.750" grip length 13 thread quantity per inch passivate surface treated unc thread series
