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Screw thread converters translate between different thread designations: UNC, UNF, metric (M), BSW, etc.
Formel
Inch: #10-24 UNC = 10 size, 24 threads/inch
- UNC
- 10 size — 10 size
Trinn-for-trinn guide
- 1Metric: M10 = 10 mm diameter, coarse (1.5 mm pitch) or fine (1.25 mm)
- 2Inch: #10-24 UNC = 10 size, 24 threads/inch
- 3Non-interchangeable between systems (need washers, adapters)
Løste eksempler
Inndata
M8 metric thread
Resultat
8 mm diameter, UNC equivalent #5-40, similar size
Not exactly interchangeable
Vanlige feil å unngå
- ✕Assuming metric and inch are compatible (they're not)
- ✕Not checking thread pitch (critical for alignment)
Ofte stilte spørsmål
Can metric and inch threads be used interchangeably?
No, slightly different pitch and angle. Using wrong thread can damage equipment.
What's the difference between coarse and fine pitch?
Fine pitch holds tighter, suits thin walls, vibration-resistant. Coarse easier to assemble, stronger.
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