Nitto Hi-Coupler

In Stock


From factory air line to pneumatic tool connection, available in various body materials, sizes and end configurations. Excellent durability. An excellent general purpose coupling for connecting factory air supply to pneumatic tools.
Steel coupling is suitable for air. Brass or stainless steel are suitable for water. Note that fluid will come out from the plug when disconnected. Critical structural parts of steel models are heat-treated for increased strength giving greater durability and resistance to wear. Available in various body materials, sizes and end configurations applicable to a wide range of applications.

Additional information

Applicable Fluids

Air / Water

Working Pressure

10 bar / 15 bar

Valve Structure

Two-way shut-off / One-way shut-off / Straight through

Body Material

Brass / Stainless steel / Steel

Seal Material



1/4 " (20)
3/8 " (30)
1/2 " (40)