All Japanese Industrial Standard Fittings and Adapters, or JIS Fittings and JIS Adapters conform to the JIS B8363 specification. Malone Specialty Inc. offers Carbon Steel Japanese Industrial Standard (JIS) Fittings and 316 Stainless Steel JIS Fittings, in sizes from 1/8″ up to 2″. These JIS Couplings are available in various configurations including, but are not limited to: Male JIS to Male JIS Union, Male JIS to British Couplings, Male JIS to Male JIC, Male JIC to Female JIS Swivel, along with 45° and 90° Male JIS to Female JIS Swivel Adapter, JIS Swivel and Rigid Caps, JIS Plugs. Malone Specialty Inc. offers several more JIS adapter configurations. See below, or give one of our experienced salesmen a call at for more information.
Japanese Industry Standards thread specifications range in a variety of different sizes. For consultation on how to measure threads please contact us at