Metric or Imperial Threads

BA nuts and bolts

Someone commented to me the other day whilst walking around a car museum in the UK that they couldn’t cope with all of the different imperial threads and the array of spanners that you need to work on the cars, metric is so much simpler. This got me thinking. Metric threads are easy to use … Read more

Metric Threads

caphead bolts on cylinder

The most commonly used type of general-purpose screw thread, one of the first international standards agreed when the International Organization for Standardization was set up in 1947. Metric threads are becoming more common in model engineering, but there are quite a few applications where other, perhaps better scale threads are still used – see our … Read more