BSPT & BSPP Threads Dimensions ; 1/8. 28. 9.5. 0.37. 0.38.

Guide includes diagrams and BSP thread chart. British Standard Pipe (BSP) is a family of technical standards for threads that has been 1/8 – 28, -02 

The metric thread sizes are generally expressed as M2 × 0.25, the thread diameter is 2mm and pitch is 0.25mm. Thread Dimensions - Imperial Thread Sizes Chart Here are two imperial thread sizes table defines thread dimensions of coarse threads (UNC/UNRC) and fine threads (UNF/UNRF). All units in inches. Coarse Thread Sizes Fine Thread Sizes

Specifications of International Thread Standards. British Standard Pipe Parallel Thread, with sealant compound, (parallel, cylindrical), external = G. The thread angle is 55°. Advertising:

1 - 8 UNC : Basic Thread Dimensions (Pitch, minor & major diameters, depth, lead), Tolerance range for all applicable classes and much more. 1 - 8 UNC Possible Thread Classes. External Threads. Choose tolerance class: 1A, 2A, 3A. Internal Threads. Choose tolerance class: 1B, 2B, 3B.

British Standard Pipe thread (G) ; G 1/8", 28, 9.73, 8.57 ; G 1/4", 19, 13.16, 11.45.

For example, 8/16" or 1/2" equates to size -8 . Note: dash numbers are nominal. Since metric measurements give the true sizes of a tube or a fluid pipe, dash numbers do not apply for them. For example, for M12x1.0, the outer diameter of the threads is 12 mm with a 1.0 mm spacing between threads, Hydraulics Direct Reviews

BSPP Go Plug Gage - G1/8. BSPP is also known as British Standard Pipe Parallel. This gage checks the internal parallel threads that do not create pressure-tight joints. They utilize GO/NOGO members which allows the user to accurately check the tolerance of the thread profile. The standard of compliance for this gage is ISO 228-1 and ISO 228-2.

G/R/RP - Withworth thread (BSPP/BSPT) ; R 1/8, Rp 1/8, 9,728 ; R 1/4, Rp 1/4, 13,157 ; R 3/8, Rp 3/8, 16,662 ; R 1/2, Rp 1/2, 20,955 

Male Thd. d3, Thread Height H1, Tap Drill Diameter mm. G1/8, 1/8", BSPP, 9.728, 0.907, 28, 9.147 

Similarly, a thread that measures 1" is actually a 3/4" BSP thread. BSP Size, Max. diameter, Min. diameter, Thread pitch. inch, mm, inch, mm, inch, ( 

Sealing is provided by a pre-coating on the thread. Thread designation • BSP Parallel (BSPP): G followed by the denomination, according to standard ISO 228-1. Example: 1/8 BSP parallel thread = G1/8 • BSP Taper (BSPT): R followed by the denomination, according to standard ISO 7-1. Example: 1/8 BSP taper (BSPP) thread = R1/8 • threads:

parallel, cylindrical), external = G. Nominal Major Minor Diamter Tapping TPI Pitch. Diameter Diameter mm. Nut mm. Drill Size mm mm. G 1/8".

ANSI/ ASME EXTERNAL Screw Thread Size Chart. All units are in inches. Unified Screw Threads per. ANSI/ASME B1.1-1989 (R2001), R2001) Nomenclature, are used. Acceptability criteria are described in ANSI/ASME B1.3M-1992 (R2001). Note: This screw chart is not comprehensive of all available standard threads as provided by the standard.

SIZE TPI MAJOR (EXT) MINOR (INT) TAP DRILL 1/8" 28 9.728 8.566 8.70 1/4" 19 13.157 11.445 11.60 3/8" 19 16.662 14.950 15.00

There are two types of BSP Thread available. One is Parallel threads or we can say Straight threads. The second one is the Taper Thread. BSP is BRITISH STANDARD PIPE THREAD– Also known as Whitworth 55° Thread Form. BSPT is BRITISH STANDARD PIPE TAPER THREAD – Thread form per AS 1722.1, BS 21, ISO 7. BSPP is BRITISH STANDARD PIPE PARALLEL

NPT/NPS threads have a 60° angle and have flattened peaks and valleys (Sellers thread form) where as BSP threads have a 55° angle and have rounded peaks and valleys (Whitworth thread form). NPT and BSP thread pitches (threads per inch) are listed below. To determine pitch, use a thread gauge or count the number of threads that fall into a 1

THREAD DIMENSIONS Nominal Dimensions of Standard Threads Pipe NH BSPP BSPTr O. D. NPT NPSH NPSM (NST) (Parallel) (Tapered) Size TPI TPI ODM IDF TPI ODM IDF TPI ODM IDF TPI ODM IDF TPI 1" 1.315 11.5 11.5 1.2951 1.1921 11.5 1.293 1. 1.375 1.2246 11 1.309 1.193 11 1 1/4" 1.660 11.5 11.5 1.6399 1.5369 11.5 1.638 1.546 1.650 1.534 11

Pipe thread sizes are described much as bolt sizes are, although the shapes are different. For example, "½-14 NPT" identifies a pipe thread with a nominal inside diameter of ½ inch and 14 threads to the inch, made according to the NPT standard. If "LH" is added, the pipe has a left hand thread. In the United States, the pipe thread standards are:

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 11.4 15.0 16.3: NPT Thread Connection National Pipe Thread American Standard According to ANSI/ASME B 1.20.1 Male:

thread. °. Rc, G. NPT, NPTF. AS-FS Series. Speed Controller with Indicator/ Note 2) Use °1/8" tubing. With indicator. Port size. U01. Uni 1/8.

Thread pitch is the distance between the threads and is used for metric fasteners. G-threads have a parallel shape in accordance with the DIN-EN-ISO 228-1 standard with flank angle 55 o.

Minimum = 0.033P for all pitches. See table for maximum. When using L1 gauges to check threads, the thread is within permissible tolerance if the ring gauge face, or plug gauge notch, is +/- 1 turn from being flush with the end of the thread. Example designation: 3/8 - 18 NPT. where: 3/8 = nominal pipe size. 18 = number of threads per inch.

Example: 1/8 NPT thread = 1/8 NPT Example: metric thread diameter 7 with a pitch of 1 mm = M7x1 BSP parallel: G followed by the designation.

In the other thread 1/4, 1/2, 1/8 mark refers to the diameter of the thread sizes, the unit is inch. Inline people usually use points to call thread sizes, one inch equals eight points, and 1/4 inch is 2 points and so on. G is generally referred to as the pipe thread (Guan), 55, 60 degrees division belongs to functional, commonly known as round

The unified thread standard has three distinct variances called Unified Coarse Thread (UNC), Unified Fine Thread (UNF), and Unified Extra Fine Thread (UNEF). The difference between the three is the amount of threads per inch. For example, a 1 inch fastener size in UNC has 8 TPI, in UNF 12 TPI, and 20 TPI in UNEF).

British Standard Pipe(BSPP, BSPF) 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.

British Thread Gages. British standard pipe is also referred to as BSP . These type of gages are used for joining or sealing pipes. BSP previously was compliant to a standard called BS-2779. This has since been replaced with ISO standards. British threads fall into two categories, parallel and taper.

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

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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