Low Profile Socket Head Cap Screws
ASME B18.3 Low Profile Socket Head Cap Screws
Dimensions ASME B18.3 Low Profile Socket Head Cap Screws
| Nominal Size or Basic Screw Diameter | Body Diameter, D | Head Diameter, A | Head Height, H | Hexagon Socket Size, J Nom |
Key Engagement, T Min |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | |||||
| 4 | 0.1120 | 0.1120 | 0.1075 | 0.183 | 0.178 | 0.059 | 0.053 | - | 0.050 | 0.038 |
| 5 | 0.1250 | 0.1250 | 0.1202 | 0.205 | 0.200 | 0.065 | 0.059 | 1/16 | 0.062 | 0.044 |
| 6 | 0.1380 | 0.1380 | 0.1329 | 0.226 | 0.221 | 0.072 | 0.066 | 1/16 | 0.062 | 0.050 |
| 8 | 0.1640 | 0.1640 | 0.1585 | 0.270 | 0.265 | 0.085 | 0.079 | 5/64 | 0.078 | 0.060 |
| 10 | 0.1900 | 0.1900 | 0.1840 | 0.312 | 0.307 | 0.098 | 0.092 | 3/32 | 0.094 | 0.072 |
| 1/4 | 0.2500 | 0.2500 | 0.2435 | 0.375 | 0.369 | 0.127 | 0.121 | 1/8 | 0.125 | 0.094 |
| 5/16 | 0.3125 | 0.3125 | 0.3053 | 0.437 | 0.431 | 0.158 | 0.152 | 5/32 | 0.156 | 0.110 |
| 3/8 | 0.3750 | 0.3750 | 0.3678 | 0.562 | 0.556 | 0.192 | 0.182 | 3/16 | 0.188 | 0.115 |
| 7/16 | 0.4375 | 0.4375 | 0.4294 | 0.625 | 0.618 | 0.223 | 0.213 | 7/32 | 0.219 | 0.135 |
| 1/2 | 0.5000 | 0.5000 | 0.4919 | 0.750 | 0.743 | 0.254 | 0.244 | 1/4 | 0.250 | 0.151 |
| 5/8 | 0.6250 | 0.6250 | 0.6163 | 0.875 | 0.867 | 0.316 | 0.306 | 5/16 | 0.312 | 0.250 |
