* This dimension +/- .010
| Nominal Screw Size | 0000 thru 00 | 0 thru 12 | 1/4/ thru 3/4 |
| Nominal Screw Length | Tolerance on Length |
| Up to 1/2 in., incl. | -0.01 | -0.02 | -0.03 |
| Over 1/2 to 1 in., incl. | -0.02 | -0.03 | -0.03 |
| Over 1 to 2 in., incl. | - | -0.06 | -0.06 |
| Over 2 in. | - | -0.09 | -0.09 |
May also be available in Nylon, PVC, Polypropylene, Phenolic, Teflon®, G10, Kel-F®, Delrin/Acetal, Neoprene, Mylar, Glass-Filled Nylon, Peek, CPVC, ABS, PVDF / Kynar, Isoplast, Polycarbonate, Polyethylene, or Ultem®
Economy Grade Thumb Screws Variations
| Description | A | H | J | Length | T | Thread Size | Quote |
| 440 X 0.093 | 0.317 | 0.216 | 0.03 | 0.093 | 0.04 | 440 |  |
| 440 X 0.125 | 0.317 | 0.216 | 0.03 | 0.125 | 0.04 | 440 |  |
| 440 X 0.141 | 0.317 | 0.216 | 0.03 | 0.141 | 0.04 | 440 |  |
| 440 X 0.187 | 0.317 | 0.216 | 0.03 | 0.187 | 0.04 | 440 |  |
| 440 X 0.25 | 0.317 | 0.216 | 0.03 | 0.25 | 0.04 | 440 |  |
| 440 X 0.281 | 0.317 | 0.216 | 0.03 | 0.281 | 0.04 | 440 |  |
| 440 X 0.312 | 0.317 | 0.216 | 0.03 | 0.312 | 0.04 | 440 |  |
| 440 X 0.375 | 0.317 | 0.216 | 0.03 | 0.375 | 0.04 | 440 |  |
| 440 X 0.437 | 0.317 | 0.216 | 0.03 | 0.437 | 0.04 | 440 |  |
| 440 X 0.5 | 0.317 | 0.216 | 0.03 | 0.5 | 0.04 | 440 |  |
| 440 X 0.562 | 0.317 | 0.216 | 0.03 | 0.5625 | 0.04 | 440 |  |
| 440 X 0.625 | 0.317 | 0.216 | 0.03 | 0.625 | 0.04 | 440 |  |
| 440 X 0.687 | 0.317 | 0.216 | 0.03 | 0.687 | 0.04 | 440 |  |
| 440 X 0.75 | 0.317 | 0.216 | 0.03 | 0.75 | 0.04 | 440 |  |
| 440 X 0.875 | 0.317 | 0.216 | 0.03 | 0.875 | 0.04 | 440 |  |
| 440 X 1 | 0.317 | 0.216 | 0.03 | 1 | 0.04 | 440 |  |
| 440 X 1.125 | 0.317 | 0.216 | 0.03 | 1.125 | 0.04 | 440 |  |
| 440 X 1.187 | 0.317 | 0.216 | 0.03 | 1.187 | 0.04 | 440 |  |
| 440 X 1.25 | 0.317 | 0.216 | 0.03 | 1.25 | 0.04 | 440 |  |
| 440 X 1.375 | 0.317 | 0.216 | 0.03 | 1.375 | 0.04 | 440 |  |
| 440 X 1.5 | 0.317 | 0.216 | 0.03 | 1.5 | 0.04 | 440 |  |
| 440 X 1.75 | 0.317 | 0.216 | 0.03 | 1.75 | 0.04 | 440 |  |
| 448 X 0.25 | 0.317 | 0.216 | 0.03 | 0.25 | 0.04 | 440 |  |
| 632 X 0.093 | 0.336 | 0.243 | 0.03 | 0.094 | 0.04 | 632 |  |
| 632 X 0.125 | 0.336 | 0.243 | 0.03 | 0.125 | 0.04 | 632 |  |
| 632 X 0.156 | 0.336 | 0.243 | 0.03 | 0.156 | 0.04 | 632 |  |
| 632 X 0.187 | 0.336 | 0.243 | 0.03 | 0.187 | 0.04 | 632 |  |
| 632 X 0.25 | 0.336 | 0.243 | 0.03 | 0.25 | 0.04 | 632 |  |
| 632 X 0.312 | 0.336 | 0.243 | 0.03 | 0.312 | 0.04 | 632 |  |
| 632 X 0.375 | 0.336 | 0.243 | 0.03 | 0.375 | 0.04 | 632 |  |
| 632 X 0.437 | 0.336 | 0.243 | 0.03 | 0.437 | 0.04 | 632 |  |
| 632 X 0.5 | 0.336 | 0.243 | 0.03 | 0.5 | 0.04 | 632 |  |
| 632 X 0.562 | 0.336 | 0.243 | 0.03 | 0.562 | 0.04 | 632 |  |
| 632 X 0.625 | 0.336 | 0.243 | 0.03 | 0.625 | 0.04 | 632 |  |
| 632 X 0.687 | 0.336 | 0.243 | 0.03 | 0.687 | 0.04 | 632 |  |
| 632 X 0.75 | 0.336 | 0.243 | 0.03 | 0.75 | 0.04 | 632 |  |
| 632 X 0.875 | 0.336 | 0.243 | 0.03 | 0.875 | 0.04 | 632 |  |
| 632 X 1 | 0.336 | 0.243 | 0.03 | 1 | 0.04 | 632 |  |
| 632 X 1.125 | 0.336 | 0.243 | 0.03 | 1.125 | 0.04 | 632 |  |
| 632 X 1.25 | 0.336 | 0.243 | 0.03 | 1.25 | 0.04 | 632 |  |
| 632 X 1.5 | 0.336 | 0.243 | 0.03 | 1.5 | 0.04 | 632 |  |
| 632 X 1.625 | 0.336 | 0.243 | 0.03 | 1.625 | 0.04 | 632 |  |
| 632 X 1.75 | 0.336 | 0.243 | 0.03 | 1.75 | 0.04 | 632 |  |
| 632 X 1.875 | 0.336 | 0.243 | 0.03 | 1.875 | 0.04 | 632 |  |
| 632 X 2.25 | 0.336 | 0.243 | 0.03 | 2.25 | 0.04 | 632 |  |
| 640 X 0.25 | 0.336 | 0.243 | 0.03 | 0.25 | 0.04 | 632 |  |
| 640 X 0.375 | 0.336 | 0.243 | 0.03 | 0.375 | 0.04 | 632 |  |
| 640 X 0.75 | 0.336 | 0.243 | 0.03 | 0.75 | 0.04 | 632 |  |
| 640 X 1 | 0.336 | 0.243 | 0.03 | 1 | 0.04 | 632 |  |
| 832 X 0.125 | 0.381 | 0.28 | 0.035 | 0.125 | 0.045 | 832 |  |
| 832 X 0.187 | 0.381 | 0.28 | 0.035 | 0.187 | 0.045 | 832 |  |
| 832 X 0.25 | 0.381 | 0.28 | 0.035 | 0.25 | 0.045 | 832 |  |
| 832 X 0.281 | 0.381 | 0.28 | 0.035 | 0.281 | 0.045 | 832 |  |
| 832 X 0.312 | 0.381 | 0.28 | 0.035 | 0.312 | 0.045 | 832 |  |
| 832 X 0.375 | 0.381 | 0.28 | 0.035 | 0.375 | 0.045 | 832 |  |
| 832 X 0.437 | 0.381 | 0.28 | 0.035 | 0.437 | 0.045 | 832 |  |
| 832 X 0.5 | 0.381 | 0.28 | 0.035 | 0.5 | 0.045 | 832 |  |
| 832 X 0.625 | 0.381 | 0.28 | 0.035 | 0.625 | 0.045 | 832 |  |
| 832 X 0.75 | 0.381 | 0.28 | 0.035 | 0.75 | 0.045 | 832 |  |
| 832 X 0.875 | 0.381 | 0.28 | 0.035 | 0.875 | 0.045 | 832 |  |
| 832 X 1 | 0.381 | 0.28 | 0.035 | 1 | 0.045 | 832 |  |
| 832 X 1.125 | 0.381 | 0.28 | 0.035 | 1.125 | 0.045 | 832 |  |
| 832 X 1.25 | 0.381 | 0.28 | 0.035 | 1.25 | 0.045 | 832 |  |
| 832 X 1.375 | 0.381 | 0.28 | 0.035 | 1.375 | 0.045 | 832 |  |
| 832 X 1.5 | 0.381 | 0.28 | 0.035 | 1.5 | 0.045 | 832 |  |
| 832 X 1.75 | 0.381 | 0.28 | 0.035 | 1.75 | 0.045 | 832 |  |
| 832 X 1.875 | 0.381 | 0.28 | 0.035 | 1.875 | 0.045 | 832 |  |
| 832 X 2 | 0.381 | 0.28 | 0.035 | 2 | 0.045 | 832 |  |
| 1024 X 0.125 | 0.395 | 0.305 | 0.04 | 0.125 | 0.065 | 1024 |  |
| 1024 X 0.187 | 0.395 | 0.305 | 0.04 | 0.187 | 0.065 | 1024 |  |
| 1024 X 0.25 | 0.395 | 0.305 | 0.04 | 0.25 | 0.065 | 1024 |  |
| 1024 X 0.312 | 0.395 | 0.305 | 0.04 | 0.312 | 0.065 | 1024 |  |
| 1024 X 0.375 | 0.395 | 0.305 | 0.04 | 0.375 | 0.065 | 1024 |  |
| 1024 X 0.5 | 0.395 | 0.305 | 0.04 | 0.5 | 0.065 | 1024 |  |
| 1024 X 0.625 | 0.395 | 0.305 | 0.04 | 0.625 | 0.065 | 1024 |  |
| 1024 X 0.75 | 0.395 | 0.305 | 0.04 | 0.75 | 0.065 | 1024 |  |
| 1024 X 1 | 0.395 | 0.305 | 0.04 | 1 | 0.065 | 1024 |  |
| 1024 X 1.25 | 0.395 | 0.305 | 0.04 | 1.25 | 0.065 | 1024 |  |
| 1024 X 1.5 | 0.395 | 0.305 | 0.04 | 1.5 | 0.065 | 1024 |  |
| 1032 X 0.125 | 0.395 | 0.305 | 0.04 | 0.125 | 0.065 | 1032 |  |
| 1032 X 0.187 | 0.395 | 0.305 | 0.04 | 0.187 | 0.065 | 1032 |  |
| 1032 X 0.25 | 0.395 | 0.305 | 0.04 | 0.25 | 0.065 | 1032 |  |
| 1032 X 0.312 | 0.395 | 0.305 | 0.04 | 0.312 | 0.065 | 1032 |  |
| 1032 X 0.375 | 0.395 | 0.305 | 0.04 | 0.375 | 0.065 | 1032 |  |
| 1032 X 0.437 | 0.395 | 0.305 | 0.04 | 0.437 | 0.065 | 1032 |  |
| 1032 X 0.5 | 0.395 | 0.305 | 0.04 | 0.5 | 0.065 | 1032 |  |
| 1032 X 0.625 | 0.395 | 0.305 | 0.04 | 0.625 | 0.065 | 1032 |  |
| 1032 X 0.75 | 0.395 | 0.305 | 0.04 | 0.75 | 0.065 | 1032 |  |
| 1032 X 0.812 | 0.395 | 0.305 | 0.04 | 0.812 | 0.065 | 1032 |  |
| 1032 X 0.875 | 0.395 | 0.305 | 0.04 | 0.875 | 0.065 | 1032 |  |
| 1032 X 1 | 0.395 | 0.305 | 0.04 | 1 | 0.065 | 1032 |  |
| 1032 X 1.25 | 0.395 | 0.305 | 0.04 | 1.25 | 0.065 | 1032 |  |
| 1032 X 1.5 | 0.395 | 0.305 | 0.04 | 1.5 | 0.065 | 1032 |  |
| 1032 X 1.75 | 0.395 | 0.305 | 0.04 | 1.75 | 0.065 | 1032 |  |
| 1032 X 2 | 0.395 | 0.305 | 0.04 | 2 | 0.065 | 1032 |  |
| 1/4-20 X 0.25 | 0.48 | 0.305 | 0.045 | 0.25 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.312 | 0.48 | 0.305 | 0.045 | 0.312 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.375 | 0.48 | 0.305 | 0.045 | 0.375 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.5 | 0.48 | 0.305 | 0.045 | 0.5 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.625 | 0.48 | 0.305 | 0.045 | 0.625 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.75 | 0.48 | 0.305 | 0.045 | 0.75 | 0.065 | 1/4-20 |  |
| 1/4-20 X 0.875 | 0.48 | 0.305 | 0.045 | 0.875 | 0.065 | 1/4-20 |  |
| 1/4-20 X 1 | 0.48 | 0.305 | 0.045 | 1 | 0.065 | 1/4-20 |  |
| 1/4-20 X 1.25 | 0.48 | 0.305 | 0.045 | 1.25 | 0.065 | 1/4-20 |  |
| 1/4-20 X 1.5 | 0.48 | 0.305 | 0.045 | 1.5 | 0.065 | 1/4-20 |  |
| 1/4-20 X 1.75 | 0.48 | 0.305 | 0.045 | 1.75 | 0.065 | 1/4-20 |  |
| 1/4-20 X 2 | 0.48 | 0.305 | 0.045 | 2 | 0.065 | 1/4-20 |  |
| 1/4-20 X 2.5 | 0.48 | 0.305 | 0.045 | 2.5 | 0.065 | 1/4-20 |  |
| 1/4-28 X 0.187 | 0.48 | 0.305 | 0.045 | 0.187 | 0.065 | 1/4-28 |  |
| 1/4-28 X 0.25 | 0.48 | 0.305 | 0.045 | 0.25 | 0.065 | 1/4-28 |  |
| 1/4-28 X 0.375 | 0.48 | 0.305 | 0.045 | 0.375 | 0.065 | 1/4-28 |  |
| 1/4-28 X 0.5 | 0.48 | 0.305 | 0.045 | 0.5 | 0.065 | 1/4-28 |  |
| 1/4-28 X 0.75 | 0.48 | 0.305 | 0.045 | 0.75 | 0.065 | 1/4-28 |  |
| 1/4-28 X 1 | 0.48 | 0.305 | 0.045 | 1 | 0.065 | 1/4-28 |  |