- Tri-Wing Drive Hex Insert Bits (T040 point) has three Radial Slots as the name suggests “three wings'' and a small triangular hole in the center
- Also known as Triangular Slotted, Screw drive
| Type | Insert Bit |
| Style | Tamper Resistant Torx |
| Material | Alloy Steel |
| Drive Size | 1/4" |
| Length | 1" |
| ACR | No |
| Heat Treated | Yes |
| Fits Screw Size | 5/16" |
