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Retro Vernier Caliper Sliding Pocket Ruler Brass Copper Alloy Miniature Metal Double Scale for Measuring Gemstones Jewelry Components Repair Beading Wire - 80mm
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Product information
Description
Features
- BrandTINOR
- Length80 mm
- MaterialBrass
- Instrument typeRangefinder
- Graduation unit(s)mm
Advice from
Imperial to metric: converting thread sizes
While imperial sizes have been adopted as the norm in the world of plumbing, with BSP as standard, it is not uncommon to find the odd metric thread size. But what do figures like 15/21, 1/2, DN20, 12/17 mean when it comes to plumbing fittings? Read on for all you need to know about plumbing thread sizes.
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