British thread gauges are an essential tool used in many industries to measure the dimensions of screw threads. They come in a range of sizes and types, each designed to measure specific threads. In this article, we will explore the different types of British thread gauges and their uses.
Whitworth Gauges
Whitworth gauges are used to measure threads with a 55-degree angle, also known as Whitworth threads. These threads were commonly used in British engineering until the 1950s. Whitworth gauges come in a range of sizes, from 1/16 inch to 6 inches.
British Standard Pipe (BSP) Gauges
BSP gauges are used to measure threads on pipes and fittings. They come in two types: parallel and tapered. Parallel BSP threads have a constant diameter, while tapered BSP threads have a gradually decreasing diameter. BSP gauges come in a range of sizes, from 1/16 inch to 6 inches.
- British Association (BA) Gauges
BA gauges are used to measure small threads commonly used in precision engineering. These threads have a 47.5-degree angle and come in sizes ranging from 0BA to 22BA. BA gauges are commonly used in the manufacture of clocks, watches, and other precision instruments.
British Standard Fine (BSF) Gauges
BSF gauges are used to measure fine threads with a 55-degree angle. They were commonly used in British engineering until the 1950s. BSF gauges come in a range of sizes, from 1/4 inch to 1 inch.
British Standard Whitworth Fine (BSWF) Gauges
BSWF gauges are used to measure fine threads with a 55-degree angle. They were commonly used in British engineering until the 1950s. BSWF gauges come in a range of sizes, from 1/4 inch to 1 inch.
In conclusion, British thread gauges come in a range of types and sizes, each designed to measure specific threads. The type of gauge used will depend on the type of thread being measured and the industry in which it is being used. It is important to use the correct gauge for each application to ensure accurate measurements and reliable results. Additionally, it is important to keep thread gauges clean and properly maintained to ensure their accuracy over time. With the proper use and care, British thread gauges can provide accurate and reliable measurements for years to come.
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