Charts & References
Hydraulic thread charts, fitting reference charts and hose sizing references for identifying hydraulic components in the workshop or out in the field.
Featured References
Start hereImperial Thread Chart
Reference chart for common imperial hydraulic thread sizes including BSP, NPT, JIC and related fitting threads.
Metric ReferenceMetric Thread Chart
Reference chart for common metric hydraulic thread sizes used on hydraulic adaptors, ports and fittings.
Sizing ChartHose Size Nomograph
Visual hose sizing chart for flow rate, hose bore and recommended oil velocity.
All Charts
Threads, tube, flange & hoseImperial Thread Identification Chart
Identify common imperial hydraulic threads and compare thread dimensions.
Metric Thread Identification Chart
Identify common metric hydraulic thread sizes and thread pitches.
Metric Tube Compression Chart
DIN 2353 metric tube compression reference for light and heavy series fittings.
SAE Flange Identification Chart
Identify SAE Code 61 and Code 62 hydraulic flange patterns and dimensions.
Hydraulic Hose Size Nomograph
Use flow and velocity to visually select a suitable hydraulic hose bore.
Related Identification Tools
Use with chartsStart with the Thread Identifier when you are unsure of the fitting style, then confirm the measured size using the relevant chart. For hose sizing, use the Hose Size Nomograph alongside the Hose Size & Velocity Calculator.