tube cap screw

material: aluminum alloy 6061-T4

finish: clean and deburred

external thread: 1/2-20 UNF 2A

size: external diameter 0.750 +/-0.015 inch, length 1.125 +/-0.015 inch

socket hex incircle diameter 0.390 +0.010/-0.000 inch, depth 0.31 inch, to accept 3/8” hex key