SUPPLY GIANT CSQM0300 1-Inch Male National Pipe Taper Threads Brass Cored Plug with Square Head, Lead Free Brass Pipe Fitting, Higher Corrosion Resistance, Economical & Easy to Install, Pipe Fittings

Square Head Plug NPT Stainless Steel - Pipe Dream Fittings Ltd

Pipe Thread Extension Brass Threaded Pipe Connectors Shower - Temu United Kingdom

Investment Casting Stainless Steel Male Threaded Square Head Plug Applied in Plumbing System - China Stainless Plug with Square Head, Stainless Steel Square Plug

Anderson Metals Brass Threaded Pipe Fitting, Countersunk Plug with Square Drive, 3/4 Male: Industrial Pipe Fittings: : Industrial & Scientific

Brass Pipe Fitting, Cored Square Head Plug, 1/2 NPT Male, 1pc : Industrial & Scientific

Legines Brass Hose Barb Fitting, Female Adapter, 1/4 Barb x 1/4 NPT Female Pipe, 2 pcs, Pipe Fittings - Canada

JoyTube 1 NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 2) : Industrial & Scientific

Lead-Free Brass 125# Threaded Square Head Cored Plug

SUPPLY GIANT CSQM0300 1-Inch Male National Pipe Taper Threads Brass Cored Plug with Square Head, Lead Free Brass Pipe Fitting, Higher Corrosion Resistance, Economical & Easy to Install, Pipe Fittings

Merit Brass - Pipe Square Head Plug: 1-1/4″ Fitting, 304 Stainless Steel - 36900793 - MSC Industrial Supply