What diameter is a 3/8 BSP thread?

Table of Contents

What diameter is a 3/8 BSP thread?

16.66 mm
British Standard Pipe Thread (BSPT)

BSP Thread Size	Outside Diameter mm / inch	TPI
3/8 Inch BSP	16.66 mm / 0.656″	19
1/2 Inch BSP	20.99 mm / 0.825″	14
5/8 Inch BSP	22.99 mm / 0.902″	14
3/4 Inch BSP	26.44 mm / 1.041″	14

What are BSP thread sizes?

BSP Size	Also Known As	Actual Diameter (Metric)
1/8″		9mm
1/4″		12mm
3/8″		15mm
1/2″	15 BSP	19mm

What size is a 3/8 thread?

Standard Thread Pitch Chart

Coarse Thread Series – UNC	Fine Thread Series – UNF
Nominal Size and Threads Per In.	Basic Pitch Dia.	Basic Pitch Dia.
3⁄8 – 16	0.3344	0.3479
7⁄16 – 14	0.3911	0.405
1⁄2 – 13	0.45	0.4675

How do you measure a 3/8 BSP fitting?

Measure the outer diameter (OD) of the thread (in inches) Then subtract 25% from this (¼ inch) Therefore, if the OD of a BSP thread measures 1”, the thread size will be ¾ ….How to Measure Your BSP Fittings.

BSP Thread Size	Outside Diameter mm / inch	TPI
1/8 Inch BSP	9.7 mm / 0.383″	28
1/4 Inch BSP	13.16 mm / 0.518″	19
3/8 Inch BSP	16.66 mm / 0.656″	19

Is BSP internal or external?

To use BSP screw threads correctly, you have to identify the male and female parts. The male thread has an external shape, while the female thread has an internal shape.

What is the drill size for 3/8 BSP?

15.25 mm
British Standard Pipe Parallel (BSP) or British Standard Pipe Taper (BSPT)

Nominal Size (inches)	T P I	Tapping Drill Size
3/8	19	15.25 mm
19/32″
1/2	14	19.00mm
3/4″

Is 3/4 BSP the same as 22mm?

If your ball valve is 22mm it is a copper compression fitting otherwise all screw threads in the UK even on 22mm metric fittings have 3/4 BSP threads. I can’t see you getting anything in standard plumbing as they will be copper brass or non food plastic. How about a photo of what you are trying to do?

What does BSP mean in plumbing?

British Standard Pipe
BSP thread form stands for British Standard Pipe and is common in Australia and the commonwealth countries. It is based on trade size rather than actual diameter which can lead to some confusion when measuring ports. There are two types of BSP threads; – BSPP – Female & male thread are both (also known as G)

How do I know my BSP thread size?

To find the thread size:

1) Measure the O.D (outer diameter) of the BSP thread.
2) Take the O.D measurement (in inches) and subtract 1/4 inch (. 25”).
1) Multiply 3.5 by 4 to get 14. This is the number of threads per inch.
2) Combine the thread size with the number of threads per inch and refer to.

How do you identify BSP and NPT threads?

If you’re unsure which kind of fitting you’re working with, you’ll need a pitch gauge to measure the angles of the threads. NPT fittings will have threads with a 60 degree spread while BSP threads will have a 55 degree spread. A manual thread pitch gauge.

What are the different types of BSP thread?

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

What is the size of BSPP/BSPT TPI?

BSPP / BSPT 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 1/2″ 14 20.955 18.631 19.00

What is the difference between Class A and Class B pipe threads?

– For external threads, two classes of tolerances on the pitch diameter are specified; these are Class A and Class B. The choice between class A and class B depends on the conditions of application. – The symbol for pipe thread type is G for external and internal threads.

What is British Standard Pipe (BSP)?

British Standard Pipe (BSP) has been used as a standard in plumbing and pipe fittings. 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.