18-8 Stainless Steel Drive Screws
Drive Screws - Round Head Type U


| Nominal Screw Size |
Number of Thread Starts |
D | A | H | P | Recommended Hole Size |
|||||
| Outside Diameter | Head Diameter | Head Height | Pilot Diameter | ||||||||
| Max | Min | Max | Min | Max | Min | Max | Min | Drill Size No. |
Hole Diameter |
||
| 00 | 6 | .060 | .057 | .099 | .090 | .034 | .026 | .049 | .046 | 55 | .052 |
| 0 | 6 | .075 | .072 | .127 | .118 | .049 | .041 | .063 | .060 | 51 | .067 |
| 2 | 8 | .100 | .097 | .162 | .146 | .069 | .059 | .083 | .080 | 44 | .086 |
| 4 | 7 | .116 | .112 | .211 | .193 | .086 | .075 | .096 | .092 | 37 | .104 |
| 6 | 7 | .140 | .136 | .260 | .240 | .103 | .091 | .116 | .112 | 31 | .120 |
| 7 | 8 | .154 | .150 | .285 | .264 | .111 | .099 | .126 | .122 | 29 | .136 |
| 8 | 8 | .167 | .162 | .309 | .287 | .120 | .107 | .136 | .132 | 27 | .144 |
| 10 | 8 | .182 | .177 | .359 | .334 | .137 | .123 | .150 | .146 | 20 | .161 |
| 12 | 8 | .212 | .206 | .408 | .382 | .153 | .139 | .177 | .173 | 11 | .191 |
| 14 | 9 | .242 | .236 | .457 | .429 | .170 | .155 | .202 | .198 | 2 | .221 |
| Lengths |
| 1/8 | 3/16 | 1/4 | 5/16 | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 1-1/4 | |
|
Size |
||||||||||
| 00 | 00 X 1/8 |
00 X 3/16 |
00 X 1/4 |
00 X 5/16 |
00 X 3/8 |
00 X 1/2 |
N/A | N/A | N/A | N/A |
| 0 | 0 X 1/8 |
0 X 3/16 |
0 X 1/4 |
0 X 5/16 |
0 X 3/8 |
0 X 1/2 |
N/A |
N/A |
N/A | N/A |
| 2 | 2 X 1/8 |
2 X 3/16 |
2 X 1/4 |
2 X 5/16 |
2 X 3/8 |
2 X 1/2 |
N/A |
N/A |
N/A | N/A |
| 4 | 4 X 1/8 |
4 X 3/16 |
4 X 1/4 |
4 X 5/16 |
4 X 3/8 |
4 X 1/2 |
4 X 5/8 |
N/A |
N/A |
N/A |
| 6 | 6 X 1/8 |
6 X 3/16 |
6 X 1/4 |
6 X 5/16 |
6 X 3/8 |
6 X 1/2 |
6 X 5/8 |
6 X 3/4 |
6 X 1 |
N/A |
| 7 | N/A |
7 X 3/16 |
7 X 1/4 |
7 X 5/16 |
7 X 3/8 |
7 X 1/2 |
7 X 5/8 |
7 X 3/4 |
N/A |
N/A |
| 8 | 8 X 1/8 |
8 X 3/16 |
8 X 1/4 |
8 X 5/16 |
8 X 3/8 |
8 X 1/2 |
8 X 5/8 |
8 X 3/4 |
8 X 1 |
N/A |
| 10 | N/A |
N/A |
10 X 1/4 |
10 X 5/16 |
10 X 3/8 |
10 X 1/2 |
10 X 5/8 |
10 X 3/4 |
10 X 1 |
N/A |
| 12 | N/A |
N/A | 12 X 1/4 |
12 X 5/16 |
12 X 3/8 |
12 X 1/2 |
12 X 5/8 |
12 X 3/4 |
12 X 1 |
N/A |
| 14 | N/A |
N/A |
N/A | 14 X 5/16 |
14 X 3/8 |
14 X 1/2 |
14 X 5/8 |
14 X 3/4 |
14 X 1 |
14 X 1-1/4 |
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