US (ARO 210 / Rectus 22) profile stainless and brass quick-connect couplings.
US profile (ARO 210 / Rectus 22) quick couplings are the standard for American-made pneumatic tools and shop-air lines. We stock brass, stainless and anodized color-coded variants with male, female or hose barb ends.

US (ARO 210 / Rectus 22) profile stainless male socket, male thread end.

US-profile red anodized aluminum coupling (color-coded for line ID).

US-profile pink anodized plug adapter, male thread.

US-profile stainless female thread quick-connect plug.

US-profile stainless female socket with female thread.

US-profile brass hose barb socket for push-on tubing.

US-profile brass male socket with male thread.

US-profile stainless male socket (variant body style).

US-profile stainless female socket (high-flow).

US-profile stainless hose barb socket for push-on tubing.
Nitto-type, Euro (Rectus 21/26) and USA (Industrial/MIL) interchange, in steel, brass and stainless.
1/8 to 1 inch with NPT/BSP; couplings and plugs matched as sets.
Typically 1.5 MPa (about 220 psi) for steel bodies; verify per model.
Yes. We make custom threads, seals and private-label sets for distributors.