Round Slotted Machine Screws
| THREAD SIZE | A | H |
J | T |
|---|
| 1 | .122 - .138 | .051 - .061 | .019 - .026 |
.033 - .044 |
| 2 | .146 - .162 | .059 - .069 | .023 - .031 |
.037 - .048 |
| 3 | .169 - .187 | .067 - .078 | .027 - .035 |
.040 - .053 |
| 4 | .193 - .211 | .075 - .086 | .031 - .039 |
.044 - .058 |
| 6 | .240 - .260 | .091 - .103 | .039 - .048 |
.051 - .068 |
| 8 | .287 - .309 | .107 - .120 | .045 - .054 |
.058 - .077 |
| 10 | .334 - .359 | .123 - .137 | .050 - .060 |
.065 - .087 |
| 1/4 | .443 - .472 | .160 - .175 | .064 - .075 |
.082 - .109 |
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| ITEM NUMBER | DESCRIPTION |
| 010164R025 | 164 X 1/4 ROUND |
| 010164R075 | 164 X 3/4 ROUND |
| 010172R025 | 172 X 1/4 ROUND |
| 010172R050 | 172 X 1/2 ROUND |
| 010256R006 | 256 X 1/16 ROUND |
| 010256R009 | 256 X 3/32 ROUND |
| 010256R012 | 256 X 1/8 ROUND |
| 010256R015 | 256 X 5/32 ROUND |
| 010256R018 | 256 X 3/16 ROUND |
| 010256R025 | 256 X 1/4 ROUND |
| 010256R028 | 256 X 9/32 ROUND |
| 010256R031 | 256 X 5/16 ROUND |
| 010256R037 | 256 X 3/8 ROUND |
| 010256R043 | 256 X 7/16 ROUND |
| 010256R050 | 256 X 1/2 ROUND |
| 010256R056 | 256 X 9/16 ROUND |
| 010256R062 | 256 X 5/8 ROUND |
| 010256R075 | 256 X 3/4 ROUND |
| 010256R087 | 256 X 7/8 ROUND |
| 010256R100 | 256 X 1 ROUND |
| 010256R112 | 256 X 1 1/8 ROUND |
| 010264R018 | 264 X 3/16 ROUND |
| 010264R037 | 264 X 3/8 ROUND |
| 010348R012 | 348 X 1/8 ROUND |
| 010348R018 | 348 X 3/16 ROUND |
| 010348R025 | 348 X 1/4 ROUND |
| 010348R031 | 348 X 5/16 ROUND |
| 010348R037 | 348 X 3/8 ROUND |
| 010348R043 | 348 X 7/16 ROUND |
| 010348R050 | 348 X 1/2 ROUND |
| 010348R075 | 348 X 3/4 ROUND |
| 010356R031 | 356 X 5/16 ROUND |
| 010436R050 | 436 X 1/2 ROUND |
| 010440R009 | 440 X 3/32 ROUND |
| 010440R012 | 440 X 1/8 ROUND |
| 010440R014 | 440 X 9/64 ROUND |
| 010440R018 | 440 X 3/16 ROUND |
| 010440R025 | 440 X 1/4 ROUND |
| 010440R028 | 440 X 9/32 ROUND |
| 010440R031 | 440 X 5/16 ROUND |
| 010440R037 | 440 X 3/8 ROUND |
| 010440R043 | 440 X 7/16 ROUND |
| 010440R050 | 440 X 1/2 ROUND |
| 010440R056 | 440 X 9/16 ROUND |
| 010440R062 | 440 X 5/8 ROUND |
| 010440R068 | 440 X 11/16 ROUND |
| 010440R075 | 440 X 3/4 ROUND |
| 010440R087 | 440 X 7/8 ROUND |
| 010440R100 | 440 X 1 ROUND |
| 010440R112 | 440 X 1 1/8 ROUND |
| 010440R118 | 440 X 1 3/16 ROUND |
| 010440R125 | 440 X 1 1/4 ROUND |
| 010440R137 | 440 X 1 3/8 ROUND |
| 010440R150 | 440 X 1 1/2 ROUND |
| 010440R162 | 440 X 1 5/8 ROUND |
| 010440R175 | 440 X 1 3/4 ROUND |
| 010448R025 | 448 X 1/4 ROUND |
| 010540R050 | 540 X 1/2 ROUND |
| 010632R009 | 632 X 3/32 ROUND |
| 010632R012 | 632 X 1/8 ROUND |
| 010632R015 | 632 X 5/32 ROUND |
| 010632R018 | 632 X 3/16 ROUND |
| 010632R025 | 632 X 1/4 ROUND |
| 010632R031 | 632 X 5/16 ROUND |
| 010632R037 | 632 X 3/8 ROUND |
| 010632R043 | 632 X 7/16 ROUND |
| 010632R050 | 632 X 1/2 ROUND |
| 010632R056 | 632 X 9/16 ROUND |
| 010632R062 | 632 X 5/8 ROUND |
| 010632R068 | 632 X 11/16 ROUND |
| 010632R075 | 632 X 3/4 ROUND |
| 010632R087 | 632 X 7/8 ROUND |
| 010632R100 | 632 X 1 ROUND |
| 010632R112 | 632 X 1 1/8 ROUND |
| 010632R125 | 632 X 1 1/4 ROUND |
| 010632R150 | 632 X 1 1/2 ROUND |
| 010632R162 | 632 X 1 5/8 ROUND |
| 010632R175 | 632 X 1 3/4 ROUND |
| 010632R187 | 632 X 1 7/8 ROUND |
| 010632R200 | 632 X 2 ROUND |
| 010632R225 | 632 X 2 1/4 ROUND |
| 010640R025 | 640 X 1/4 ROUND |
| 010640R037 | 632 X 3/8 ROUND |
| 010640R075 | 640 X 3/4 ROUND |
| 010640R100 | 640 X 1 ROUND |
| 010832R012 | 832 X 1/8 ROUND |
| 010832R018 | 832 X 3/16 ROUND |
| 010832R025 | 832 X 1/4 ROUND |
| 010832R028 | 832 X 9/32 ROUND |
| 010832R031 | 832 X 5/16 ROUND |
| 010832R037 | 832 X 3/8 ROUND |
| 010832R043 | 832 X 7/16 ROUND |
| 010832R050 | 832 X 1/2 ROUND |
| 010832R062 | 832 X 5/8 ROUND |
| 010832R075 | 832 X 3/4 ROUND |
| 010832R087 | 832 X 7/8 ROUND |
| 010832R100 | 832 X 1 ROUND |
| 010832R112 | 832 X 1 1/8 ROUND |
| 010832R125 | 832 X 1 1/4 ROUND |
| 010832R137 | 832 X 1 3/8 ROUND |
| 010832R150 | 832 X 1 1/2 ROUND |
| 010832R175 | 832 X 1 3/4 ROUND |
| 010832R187 | 832 X 1 7/8 ROUND |
| 010832R200 | 832 X 2 ROUND |
| 011024R012 | 1024 X 1/8 ROUND |
| 011024R018 | 1024 X 3/16 ROUND |
| 011024R025 | 1024 X 1/4 ROUND |
| 011024R031 | 1024 X 5/16 ROUND |
| 011024R037 | 1024 X 3/8 ROUND |
| 011024R050 | 1024 X 1/2 ROUND |
| 011024R062 | 1024 X 5/8 ROUND |
| 011024R075 | 1024 X 3/4 ROUND |
| 011024R100 | 1024 X 1 ROUND |
| 011024R125 | 1024 X 1 1/4 ROUND |
| 011024R150 | 1024 X 1 1/2 ROUND |
| 011032R012 | 1032 X 1/8 ROUND |
| 011032R018 | 1032 X 3/16 ROUND |
| 011032R025 | 1032 X 1/4 ROUND |
| 011032R031 | 1032 X 5/16 ROUND |
| 011032R037 | 1032 X 3/8 ROUND |
| 011032R043 | 1032 X 7/16 ROUND |
| 011032R050 | 1032 X 1/2 ROUND |
| 011032R062 | 1032 X 5/8 ROUND |
| 011032R075 | 1032 X 3/4 ROUND |
| 011032R081 | 1032 X 13/16 ROUND |
| 011032R087 | 1032 X 7/8 ROUND |
| 011032R100 | 1032 X 1 ROUND |
| 011032R125 | 1032 X 1 1/4 ROUND |
| 011032R150 | 1032 X 1 1/2 ROUND |
| 011032R175 | 1032 X 1 3/4 ROUND |
| 011032R200 | 1032 X 2 ROUND |
| 012520R025 | 1/4-20 X 1/4 ROUND |
| 012520R031 | 1/4-20 X 5/16 ROUND |
| 012520R037 | 1/4-20 X 3/8 ROUND |
| 012520R050 | 1/4-20 X 1/2 ROUND |
| 012520R062 | 1/4-20 X 5/8 ROUND |
| 012520R075 | 1/4-20 X 3/4 ROUND |
| 012520R087 | 1/4-20 X 7/8 ROUND |
| 012520R100 | 1/4-20 X 1 ROUND |
| 012520R125 | 1/4-20 X 1 1/4 ROUND |
| 012520R150 | 1/4-20 X 1 1/2 ROUND |
| 012520R175 | 1/4-20 X 1 3/4 ROUND |
| 012520R200 | 1/4-20 X 2 ROUND |
| 012520R250 | 1/4-20 X 2 1/2 ROUND |
| 012520R300 | 1/4-20 X 3 ROUND |
| 012520R018 | 1/4-28 X 3/16 ROUND |
| 012520R025 | 1/4-28 X 1/4 ROUND |
| 012520R037 | 1/4-28 X 3/8 ROUND |
| 012520R062 | 1/4-28 X 5/8 ROUND |
| 012520R075 | 1/4-28 X 3/4 ROUND |
| 012520R100 | 1/4-28 X 1 ROUND |
| 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 |
