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BSPP G 1/4 : Brith Pipe (BSP) Thread Dimensions and Tolerances. All the relevant data for this tread in one spot.
G-Series pipe thread chart (British standard pipe parallel was BSPP & BSPF) and PF-Series pipe thread chart (Japanese pipe parallel).
British Standard Pipe Parallel (BSPP) thread calculator for thread form of Whitworth thread. Calculate dimensions, tolerances and designation for pipe threads for sizes from 1/16 to 6 according to ISO 228 - 1 standard.
The ThredDoctor includes a module that calculates the tolerance over the wire for your pitch diameter range and the wire diameter. Our threading calculator also shows you the ideal wire diameter and lets you select the wire from a list of standard market wires.
Diameter: The diameters are given in inch fractions. For example, 1/4″, 3/4″, 1 1/4″. Pitch: In BSP threads, the pitch is not included in the description. BSP Designation Examples. BSPT (Per ISO 7) – Tapered Pipe Thread. BSPT stands for British Standard Pipe Tapered.
The BSPT thread chart calculator shows sizes, dimensions, tolerances and designation for jointing pipe threads for thread sizes from 1/16 to 6 according to ISO 7-1 standard. The thread form follows the British Standard Whitworth thread.
The most common types of Whitworth thread are: BSPP (G) – British Standard Pipe Parallel. BSPT (R/Rp) – British Standard Tapered Pipe, for pipes and tapered thread. An appropriate sealing compound can be used in the thread to ensure a leakproof joint.
