3a thread class flush countersunk head style 1.6875" grip length 32 thread quantity per inch 9500 single pounds per square inch shear strength point drive bolt, shear 100 deg flush head 6al-4v titanium alloy 1/16 grip variation applications nha pn HL921 unjf thread series
Used on submarine hull structure;submarine auxillary and miscellaneous systems. 3a thread class right-hand 0.625" thread length flat chamfer head style 18 thread quantity per inch unc thread series
Used on submarine hull structure;submarine auxillary and miscellaneous systems. 3a thread class right-hand flat chamfer head style 13 thread quantity per inch unc thread series