Dual use screwdriver is L shaped with cross screwdriver on one side and hexagon screwdriver on the other side. The screwdriver usually with heat treating. Phillips key or phillips screwdriver or cross wrench is which you’ll use often but mostly in places where the screw head is hidden from sight. The crosshead style of screw is best suited for power driving. Phillips and posidrive screws are two types of crosshead screws, different from each other in that the Phillips screw head has four cross points and the posidrive screw head has a star with eight points. Ever Hardware provides custom-made fasteners and customizable packaging.
A hex key, Allen key or Allen wrench is a tool used to drive bolts and screws with hexagonal sockets in their heads. The Allen name is a registered trademark, originated by the Allen Manufacturing Company of Hartford, Connecticut circa 1910, and currently owned by Apex Tool Group, LLC. Its genericised use is discouraged by this company. The standard generic name used in catalogues and published books and journals is “hex key”.
- The Phillips Driver Size
| Phillips Driver Tool size | Phillips Bit Fastener size |
| 0 | 0–1 |
| 1 | 2–4 |
| 2 | 5–9 |
| 3 | 10–16 |
| 4 | 18–24 |
- The Allen/Hexagon Socket Driver Size
| Allen Screw size (nominal) | Socket size (inches) | Approximate socket size (mm) |
| No. 6 | 7/64 | 2.78 |
| No. 8 | 9/64 | 3.57 |
| No. 10 | 5/32 | 3.97 |
| 1/4 | 1/4 | 4.76 |
| 5/16 | 1/4 | 6.35 |
| 3/8 | 5/16 | 7.94 |
| 7/16 | 3/8 | 9.53 |
| 1/2 | 3/8 | 9.53 |
| 5/8 | 1/2 | 12.7 |
| 3/4 | 5/8 | 15.88 |
| 7/8 | 3/4 | 19.05 |
| 1 | 3/4 | 19.05 |
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| Category | Dual Use Screwdriver |
|---|---|
| Finish | Electro-Plating |
| Thread type | Metric/Imperial/According to Request |
| Material | Stainless Steel/Carbon Steel/Aluminum/Brass/Copper, etc. |
| Brand | Ever Hardware |
| Place of origin | China Mainland |
| Size | Customized as required |
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