ASME B18.5 TABLE 8 Norma Dimensões para Round head bolts, inch series
Parafusos de pescoço quadrado escareados de 114 graus.
Desenho dimensional e diagramas técnicos
Principais dimensões e parâmetros técnicos
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Dimensions in inches - source ASME B18.5 Table 8 Publication date: 2008 |
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| Nominal size or basic bolt Diameter | E | A | H | O | P | F | |||||||||||||||
| Max | Min | Max | Min | Max | Min | Max | Min | Max | Min |
Min |
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No.10 ( 0.1900) |
0.199 | 0.182 | 0.548 | 0.500 | 0.131 | 0.112 | 0.199 | 0.185 | 0.125 | 0.094 | 0.015 | ||||||||||
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1/4 (0.2500) |
0.260 | 0.237 | 0.682 | 0.625 | 0.154 | 0.135 | 0.260 | 0.245 | 0.156 | 0.125 | .018 | ||||||||||
| 5/16 (0.3125) | 0.324 | 0.298 | 0.821 | 0.750 | 0.184 | 0.159 | 0.324 | 0.307 | 0.219 | 0.188 | 0.023 | ||||||||||
| 3/8 (0.3750) | 0.388 | 0.360 | 0.960 | 0.875 | 0.212 | 0.183 | 0.388 | 0.368 | 0.250 | 0.219 | 0.027 | ||||||||||
| 7/16 (0.4375) | 0.452 | 0.421 | 1.093 | 1.000 | 0.235 | 0.205 | 0.452 | 0.431 | 0.281 | 0.250 | 0.030 | ||||||||||
| 1/2 (0.5000) | 0.515 | 0.483 | 1.233 | 1.125 | 0.265 | 0.229 | 0.515 | 0.492 | 0.312 | 0.281 | 0.035 | ||||||||||
| 5/8 (0.6250) | 0.642 | 0.605 | 1.495 | 1.375 | 0.316 | 0.272 | 0.642 | 0.616 | 0.406 | 0.375 | 0.038 | ||||||||||
| 3/4 (0.7500) | 0.768 | 0.729 | 1.754 | 1.625 | 0.368 | 0.314 | 0.768 | 0.741 | 0.500 | 0.469 | 0.041 | ||||||||||