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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). Technical Information INDEX of THREAD DATA CHARTS
The Jargon, calculations, and charts defining BSP threads differ greatly from standard metric and inch threads. This webpage will explain the difference between the various series, how each parameter is defined, and show how to find the correct basic dimensions and tolerances for each thread. Table of Contents.
BSPP Thread Dimensions Calculator shows dimensions, tolerances and designation for fastening pipe threads for thread sizes from 1/16 to 6 according to ISO 228 - 1 standard. The thread form follows the British Standard Whitworth thread.
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.
ISO Metric Hardware Engineering Data. Fastener and Screw / Bolt Design, Formula and Calculations. External Pipe Threads per. ISO 228-1, Pipe threads where pressure-tight joints are not made by the threads. These pipe threads are also known as Whitworth pipe threads. Where: D = Major Dia.internal thread. D 1 = Minor Dia.internal 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.
