1/2" - 36 HSS Right Hand Thread Tap

1/2" - 36 Right Hand Thread Die 1/2 - 36 TPI

AR15 M16 M4 .223 5.56 Rifle 1/2"x28 Thread Steel Crush Washer (pack of 10)

37/64 - 28 HSS Right Hand Thread Tap (aka .578"-28)

KISENG 5/8-24 UNEF Right Hand Tap with Round Die

1/2 - 28 Tap and Die Set by Merlintools

GOCHANGE 4Pcs Screw Thread Pitch Cutting Gauge Tool Set Centre Gage 55° Inch System & 60° Metric System

1/2"-28 Threading Alignment Tool (TAT) Die Starter for .22 / .223 - Gunsmithing

14mm X 1 Metric HSS Left Hand Thread Tap M14 X 1.0mm

1/2" x 36 Threaded Jam Nut 9MM Black

5/8" - 24 HSS Right Hand Thread Tap 5/8 - 24 TPI