Computing...

Input interpretation:

1\/4 Inch bolt


Physical dimensions:

 | coarse | fine | extra fine\nmajor diameter | 0.25 in | 0.25 in | 0.25 in\nminor diameter | 0.1887 in | 0.2062 in | 0.2117 in\nthread count | 20 screw threads per inch | 28 screw threads per inch | 32 screw threads per inch


Corresponding drill bits:

 | coarse | fine | extra fine\ntapping | 7 (0.201 inches) | 3 (0.213 inches) | 7\/32 (0.2188 inches)\ntapping steel | 7\/32 (0.2188 inches) | 1 (0.228 inches) | 1 (0.228 inches)\ntight fit | F (0.257 inches) | F (0.257 inches) | F (0.257 inches)\nloose fit | H (0.266 inches) | H (0.266 inches) | H (0.266 inches)

Source information
Contact Pro Premium Expert Support