flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.563" grip length 2150 single pounds per square inch shear strength
3a thread class right-hand 0.560" thread length double hexagon extended washer head style 0.630" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.265" thread length tee no. 6 head style 32 thread quantity per inch undercut shank under head 0.300 in. min 0.320 in. max lg by 0.165 in. min. 0.175 in. max dia, shoulder 0.310 in. from head 0.187 in. min 0.207 in. max lg by 0.225 in. min 0.227 in. max dia unjf thread series
3a thread class right-hand 0.281" thread length tee no. 6 head style 32 thread quantity per inch length of shoulder 1.550 in. min, 1.560 in. max lg by 0.300 in. min, 0.301 in. max dia unjf thread series
3a thread class right-hand 0.193" grip length 28 thread quantity per inch 95000 single pounds per square inch shear strength stud 0.984 in. lg on head end unjf thread series
