Made of solid brass, great for corrosion resistance and use of a longer life, A better grip when connecting and disconnecting; sleeve guard helps
Air Hose Fittings & Accessories
T TANYA HARDWARE 1/4-Inch FNPT Female Industrial Type D Coupler
Air Line Coupler Fittings & Plugs - Robidoux Inc
Industrial Quick Connect Air Fittings
DC20 Dixon Valve Air Chief Brass Semi-Automatic Pull Sleeve Quick
Brass Quick Release Coupling and CADAC Brass Hydraulic Quick Couplers
QUICK CONNECT COUPLERS - teryair
1/4-Inch Brass Female Industrial Quick Connect, Air Hose Fittings, Fem – National Supply Company
10pcs Brass Air Tool Fitting 1/4NPT Female to Male type Plug
Air Hose Fittings Quick Connect Air Fittings Npt Iron Female - Temu
air hose ferrules
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Milton® HIGHFLOWPRO™ V-Style/European Interchange Fitting – Tagged
How to measure the thread size of air line couplings and adaptors