Drive
Tool Sizes for Industrial Fasteners
Elgin Fastener Group industrial fasteners and headed fasteners feature various drive tool sizes and models. Full engineering data on all drive tool sizes is below.
| Screw
Size |
Phillips Bit Size |
Slotted Bit Size |
Torx Bit Size |
Socket Size |
Hex Key Size |
| 0 |
0 |
|
|
|
.050 |
| 1 |
0 |
|
|
|
1/16 |
| 2 |
1 |
00 |
|
1/8 |
5/64 |
| 3 |
1 |
00-0 |
|
1/8 |
5/64 |
| 4 |
1 |
0-1 |
TX-10 |
3/16 |
3/32 |
| 6 |
2 |
1-2 |
TX-15 |
1/4 |
7/64 |
| 8 |
2 |
2-3 |
TX-20 |
1/4 |
9/64 |
| 10 |
3 |
3-4 |
TX-25 |
5/16 |
5/32 |
| 12 |
3 |
3-4 |
TX-27 |
5/16 |
|
| 1/4 |
3 |
4-5 |
TX-30 |
3/8 |
3/16 |
| 5/16 |
4 |
5-6 |
TX-40 |
1/2 |
1/4 |
| 3/8 |
4 |
|
|
6/16 |
5/16 |
| 7/16 |
|
|
|
5/8 |
3/8 |
| 1/2 |
4 |
|
|
3/4 |
3/8 |
| 5/8 |
|
|
|
15/16 |
1/2 |
| 3/4 |
|
|
|
1 1/8 |
5/8 |
| 7/8 |
|
|
|
1 5/16 |
3/4 |
| 1 |
|
|
|
1 1/2 |
3/4 |
| 1
1/8 |
|
|
|
1 11/16 |
7/8 |
| 1
1/4 |
|
|
|
1 7/8 |
7/8 |
| 1
1/2 |
|
|
|
2 1/4 |
1 |
Torque Tensioning
Screw Point Types
Pilot Hole Sizes
Bolt & Screw Head Types
Weights per Thousand
Unified External Screw Threads
Rod & Bolt Diameters
Metric Conversions
Hole Sizes for Die Casting
Material Strength
Drive Tool Sizes
Hardness Conversions
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