uxcell M24 X 1.5 Male Outer Hex Head Plug - 304 Stainless Steel Solid Thread Corrosion Resistant Bung Plug Pipe Fitting 2Pcs - - Amazon.com
Aceteel M24 X 1.0 Metric Tap and Die Set, M24 x 1.0mm HSS Machine Threading Tap and M24 x 1.0mm Alloy Tool Steel Round Threading Die Right Hand - - Amazon.com
Amazon.com: (3 pcs) Metric DIN 906 M24X1.5 Taper Threaded Plug with Hex Socket Stainless Steel A4 : Industrial & Scientific