Whitworth 55° Thread Pitch Gauge, 28 Blades, 4 - 62 BSW, YT-29982, YATO
Key information
Availability:In stock (ready to ship)
Shipping time:immediately
Shipping cost:From 3.29 Euro
catalog number:YT-29982
Availability:
EAN code:5906083012693
Product condition:New, originally packaged
Guarantee:24 months of consumer protection
Weight:0,05 kg
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Whitworth 55° Thread Pitch Gauge YATO YT-29982
A thread pitch gauge designed for identifying and checking imperial Whitworth threads. The set contains 28 measuring blades covering 4 to 62 BSW, made from hardened tool steel.
Features of the Whitworth thread pitch gauge
Whitworth 55° system
The 55° thread angle is characteristic of imperial threads to the British Standard Whitworth (BSW) specification. The gauge allows precise verification of both external and internal threads in this standard, which is widely found on older machinery and equipment of British origin.
4-62 BSW range
The 28 blades cover thread counts from 4 to 62 threads per inch, spanning everything from the coarsest assembly threads to fine precision threads. Each blade is marked with its BSW value, allowing quick identification of an unknown thread by matching the profile.
Comb design
The measuring blades are held in a metal frame with a locking mechanism. A clamping screw secures the selected blade in the working position, preventing accidental movement during measurement. The compact form makes the tool easy to store and transport.
Hardened tool steel
The hardening process increases the surface hardness of the blades, minimising wear on the measuring edges during repeated use. The material retains the thread profile dimensions even under intensive use in workshop conditions.
Technical specification
| Model | YT-29982 |
| Manufacturer | YATO |
| Thread type | Whitworth 55° (BSW) |
| Measuring range | 4 - 62 BSW |
| Number of blades | 28 blades |
| Blade material | Hardened tool steel |
| Thread types | External and internal |
| Locking system | Clamping screw |
Applications of the Whitworth thread gauge
- Identification of unknown threads on older machinery and equipment
- Quality control of threads during repair work
- Selection of the correct tool for cutting or repairing a thread
- Verification of thread compliance with technical documentation
- Servicing industrial machinery of British origin
- Repair of classic vehicles with imperial threads
- Thread checking in older pipework installations
- Preparation of replacements for components with Whitworth threads
How to use a thread pitch gauge
Select blades with a thread pitch close to that of the component you are checking and offer them up in turn. The correct blade sits flush against the thread profile with no visible gaps between the teeth. Once you have found the right blade, read the BSW value engraved on it. For internal threads, the gauge should be applied from inside the hole.
Differences between imperial thread systems
Whitworth (BSW) with its 55° angle differs from the American UNC/UNF system, which has a 60° angle. Using the wrong gauge leads to incorrect identification. A Whitworth gauge is not suitable for measuring metric threads or imperial threads to the UNC/UNF standard. Before measuring, make sure the component comes from a machine that uses the British system.
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Client: Ma...to,date of purchase 17-08-2022 20:30
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