2a thread class left-hand 1.125" thread length pan head style 16 thread quantity per inch passivate screw surface treated cres comp 304 only unc thread series
2a thread class left-hand 0.875" thread length pan head style 16 thread quantity per inch passivate screw surface treated cres comp 316 only unc thread series
2a thread class left-hand 0.229" thread length pan head style 24 thread quantity per inch passivate screw surface treated cres comp 316 0nly unc thread series