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SAE J1453 and ISO 8434-3 are the same standard for O-ring face seal (ORFS) fittings. ISO 8434-3, International Standard SAE [...]

What is hydraulics? Hydraulics is a mechanical function that operates through the force of liquid pressure. In hydraulics-based systems, mechanical [...]

The abbreviation UNF stands for "Unified National Fine", this is thread with a fine pitch. The tool for UNF is [...]

Six Most Common Types of Threads: UN/UNF NPT/NPTF BSPP (BSP, parallel) BSPT (BSP, tapered) metric parallel metric tapered How to [...]

SAE, the acronym for the Society of Automotive Engineers. Founded in 1905, the Society of Automotive Engineers – now called [...]

What is the 37 degree flare A 37-flare fitting is an excellent pressure fitting having a broad selection of styles [...]

The names male and female when referring to threads basically refer to the location of the threads themselves in relation [...]

Inch & Metric Thread Chart: Understanding Thread Sizes Metric thread sizes are specified differently than inch thread sizes. Inch sizes [...]

What are NPT threads? National Pipe Thread (NPT) is a family of technical standards for threads that has been adopted [...]

The two most popular thread styles in the world are British Standard Pipe (BSP) and National Pipe Taper (NPT). They [...]

NPT stands for National Pipe Thread and originates from United States. It’s a family of technical standards for screw threads [...]