Specifications | ||||||||||||
Norminal Size or Basic Screw Diameter | D | A | H | J | T | F | LT | |||||
Body Diameter | Head Diameter | Head Height | Hex Socket Size | Key Engagement | Filet Transition Diameter | Thread Length | ||||||
Max. | Min. | Max. | Min. | Max. | Min. | Nom. | Min. | Max. | Min. | Basic | ||
#4 0.1120 | 0.112 | 0.1075 | 0.183 | 0.176 | 0.112 | 0.108 | 3/32 | 0.094 | 0.051 | 0.13 | 0.118 | 0.75 |
#6 0.1380 | 0.138 | 0.1329 | 0.226 | 0.218 | 0.138 | 0.134 | 7/64 | 0.109 | 0.064 | 0.158 | 0.145 | 0.75 |
#8 0.1640 | 0.164 | 0.1585 | 0.27 | 0.262 | 0.164 | 0.159 | 9/64 | 0.141 | 0.065 | 0.188 | 0.173 | 0.88 |
#10 0.1900 | 0.19 | 0.184 | 0.312 | 0.303 | 0.19 | 0.185 | 5/32 | 0.156 | 0.066 | 0.218 | 0.202 | 0.88 |
1/4 0.2500 | 0.25 | 0.2435 | 0.375 | 0.365 | 0.25 | 0.244 | 3/16 | 0.188 | 0.067 | 0.278 | 0.262 | 1 |
5/16 0.3125 | 0.3125 | 0.3053 | 0.469 | 0.457 | 0.312 | 0.306 | 1/4 | 0.25 | 0.068 | 0.347 | 0.329 | 1.12 |
3/8 0.3750 | 0.375 | 0.3678 | 0.562 | 0.55 | 0.375 | 0.368 | 5/16 | 0.312 | 0.069 | 0.415 | 0.398 | 1.25 |
7/16 0.4375 | 0.4375 | 0.4294 | 0.656 | 0.642 | 0.438 | 0.43 | 3/8 | 0.375 | 0.07 | 0.484 | 0.465 | 1.38 |
1/2 0.5000 | 0.5 | 0.4919 | 0.75 | 0.75 | 0.5 | 0.492 | 3/8 | 0.375 | 0.071 | 0.552 | 0.532 | 1.5 |
5/8 0.6250 | 0.625 | 0.6163 | 0.938 | 0.921 | 0.625 | 0.616 | 1/2 | 0.5 | 0.072 | 0.689 | 0.664 | 1.75 |
3/4 0.7500 | 0.75 | 0.7406 | 1.125 | 1.107 | 0.75 | 0.74 | 5/8 | 0.625 | 0.073 | 0.828 | 0.801 | 2 |
7/8 0.8750 | 0.875 | 0.8647 | 1.321 | 1.293 | 0.875 | 0.864 | 3/4 | 0.75 | 0.074 | 0.963 | 0.933 | 2.25 |
1 1.0000 | 1 | 0.9886 | 1.5 | 1.479 | 1 | 0.988 | 3/4 | 0.75 | 0.075 | 1.1 | 1.069 | 2.5 |