ASME B18.2.2 Hex Nut 1/4 – UNC 20 TPI – ASTM A563 Grade B – Plain
SKU:
TTB-ASMEB18.2.2-B-025-UNC-20TPI-PL
ASME B18.2.2 Hex Nut — ASTM A563 Grade B
Nominal size: 1/4
Thread: UNC 20 TPI
Thread direction: Right Hand
Width across flats: 0.428–0.438 in
Width across corners: 0.488–0.505 in
Nut height: 0.212–0.226 in
Material specification: ASTM A563/A563M
Material: Carbon Steel
Finish: Plain
Estimated mass: 3.539 g/pc
ASME B18.2.2 Hex Nut 1/4 – UNC 20 TPI – ASTM A563 Grade B – Plain is a Hex Nut manufactured and supplied by TT BOLT in accordance with ASME B18.2.2.
This exact catalog variant has size 1/4, thread UNC 20 TPI, material Carbon Steel, grade B and finish Plain. It is intended for compatible threaded assemblies where the specified thread, grade and bearing geometry are required.
Technical data for this exact variant
| Standard | ASME B18.2.2 |
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| Product type | Hex Nut |
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| Size | 1/4 |
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| Thread | UNC 20 TPI |
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| Thread direction | Right Hand |
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| Material | Carbon Steel |
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| Grade / property class | B |
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| Finish | Plain |
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| Width across flats range | 0.428–0.438 in |
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| Width across corners range | 0.488–0.505 in |
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| Nut height range | 0.212–0.226 in |
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| Mass per piece | 3.539 g/pc |
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| Mass per 100 pieces | 0.3539 kg/100 pc |
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Selection and ordering notes
Before ordering, confirm the required size (1/4), thread (UNC 20 TPI), grade (B) and finish (Plain). Price calculations may use the theoretical mass shown above; final manufactured mass can vary with dimensional tolerances, chamfers, radii, coating thickness and production process.
