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Zephyr Tri-Wing ® screwdriver bit, 5/16” hex insert shank, recess size #8, overall length 1 1/4” bullnose. Equivalent to Apex TWA-8.
Zephyr 5/16” Tri-Wing ® #8 Bullnose Insert Bits Description
The Zephyr Tri-Wing bit, also known as triangular slotted, has a screw drive that has three radial slots. The Zephyr Tri-Wing bit, as the name suggests, is a bit with three ”wings” and a small triangular hole in the center. The Tri-Wing drive type is common throughout the aviation industry.
| Shank Size | 5/16'' |
|---|---|
| Point Size | #8 |
| Overall Length | 1 1/4'' |
The Zephyr Tri-Wing bit, also known as triangular slotted, has a screw drive that has three radial slots. The Zephyr Tri-Wing bit, as the name suggests, is a bit with three ”wings” and a small triangular hole in the center. The Tri-Wing drive type is common throughout the aviation industry.
| Shank Size | 5/16'' |
|---|---|
| Point Size | #8 |
| Overall Length | 1 1/4'' |











