Part Number: 10-24UNC-2AX38RD (Screw machine round)Part Number: 10-24X38PHILRDST (Screw machine round)Part Number: 10-24X38PHRDSTL (Screw machine round)Part Number: 5305-01-541-7569 (Screw machine round)Part Number: 5305-043-6750 (Screw machine round)Part Number: AN515-6452 (Screw machine round)Part Number: NK515-6-12 (Screw machine round)Part Number: NK515-6-12CPI (Screw machine round)