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 

threads: BSP parallel: G followed by the designation BSP taper: R followed by the designation Metric Thread Code Metric Thread Code Metric Thread Code M3x0.5 09 M12x1.25 66 M22x1.5 82 M5x0.8 19 M12x1.5 67 M24x1.5 83 M6x1 52 M13x1.25 68 M27x1.5 85 M7x1 55 M14x1.25 70 M30x2 88 M8x1 56 M14x1.5 71 M33x1.5 90

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

Thread Form r = Basic Radius = * 137329 p h = Basic Depth of Thread = *640327 p p = Pitch = 1/t.p.i. (Threads per Inch) ISO 228, DIN 259, BS2779, JIS B0202 In Japan this thread is known as (PF) Use prefix G for parallel thread. Example: G1/2 11 /

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 The Whitworth British Thread standard is obsolete and not in use as a standard for new products.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

Metric Thread 10 12 14 16 18 20 22 24 26 27 30 33 36 42 48 M 10x1.0 M 12x1.5 M 14x1.5 M 16x1.5 M 18x1.5 M 20x1.5 M 22x1.5 M 24x1.5 M 26x1.5 M 27x2.0 M 30x2.0 M 33x2.0 M 36x2.0 M 42x2.0 M 48x2.0 15/16 - 12 THREAD CHARTS • JIC - SAE • Metric/International VISIT US AT BRENNANINC.COM

No thread sealant is needed to form a seal. G (supposedly from German/English “Gas”) are the cylindrical pipe threads with 55°apex angle used on originally inch based pipes.

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

Requirements for thread form, dimensions, tolerances and designation for fastening pipe threads, thread sizes. ; G 1/4, 13.16, 11.89, 11.80 

Click to view Dash Size Thread Guide printable table 7.7 - 7.9, 0.303 - 0.311, 6.8 - 7.1, 0.268 - 0.280, 24, E, F ,G, 5/16x24.

1/4″ (6mm) from thread diameter measurement for nominal pipe size. Pitch is Threads Per Inch (TPI). “Gas”, “R” & “G” also refer to BSP. “Male Iron