g thread chart

Determination - Thread Types G or R or BSP G or R (Whitworth) or BSP (British Standard Pipe) Thread Cylindrical threads which are mainly used in countries with imperial system. The size of e. g. R 3/4" does not stand for a diameter. Thus the corresponding size has to be determined according to charts.

Whitworth British Screw Threads Size Chart BSW and BSF. ANSI Hardware Menu | Hardware Supplier and Manufacturers Fastener and Screw / Bolt Design, Formula and Calculations. The Whitworth British Thread standard is obsolete and not in use as a standard for new products. The information contained herein is for reference only in the application of

G Thread Connection Cylindrical Pipe Thread Connection According to ISO 228/1 (other common descriptions are BSP, R) Male: ie. G 1/4" (ISO 1179): ie. G 1/4" Male Thread G 1/8" G 1/4" G 3/8" G 1/2" G 3/4" Thread G 1/8" G 1/4" G 3/8" G 1/2" G 3/4" 9.6 13.0 16.5 20.8 26.3 8.75 11.8 15.25 19.0 24.5: 8.0 10.0 10.0 12.0 12.0 7.4 11.0 11

Parallel (G) threads are used where the seal is made on a mating face, like inside a cast iron radiator with the aid of a gasket. Tapered fittings achieve a 

British Thread (British Standard Whitworth) -- Coarse Pitch. Nominal Size Ww. Thread Form Type. Major Diameter mm d=D. Pitch mm p. Threads per inch tpi. Pitch Diameter mm d2=D2. Minor Diameter Male Thd. d3. Thread Height H1.

G-Series pipe thread chart (British standard pipe parallel was BSPP & BSPF) and PF-Series pipe thread chart (Japanese pipe parallel).

BSP Thread Size Outside Diameter mm / inch TPI 1/16 Inch BSP 7.7 mm / 0.304" 28 1/8 Inch BSP 9.7 mm / 0.383" 28 1/4 Inch BSP 13.16 mm / 0.518" 19

For example, G threads are not compatible NPT threads because of their differing angles, shapes, and thread Metric Thread Type Chart.

Pipe thread sizesEdit · the words, Pipe thread, · the document number of the standard (e.g., ISO 7 or EN 10226) · the symbol for the pipe thread type: G, external 

The table below summarises BSP sizes to help with general identification. Major diameter is slightly less than the actual outside diameter of the threads.

Whitworth's new standard specified a 55° thread angle and a thread depth of 0.640327p and a radius of 0.137329p. Where p is the pitch. The thread pitch increases with the diameter in steps specified on a chart. The Whitworth thread system was later to be adopted as a British Standard to become British Standard Whitworth (BSW).