Phone: +44 (0) 1268 288880
Phone: +44 (0) 1268 288880
Zephyr 1/4” hex insert shank B.N.A.E. (metric) screwdriver bits. For aircraft or machine screws. Also known as French recess bits, the name comes from the Bureau de Normalisation de l’Aeronautique et de l’Espace. Point Size: 4 Overall Length: 1”
Zephyr 1/4” B.N.A.E. #4 Insert Bits Description
Zephyr 1/4” hex insert shank B.N.A.E. (metric) screwdriver bits. For aircraft or machine screws. Also known as French recess bits, the name comes from the Bureau de Normalisation de l’Aeronautique et de l’Espace.
| Shank Size | 5/16'' |
|---|---|
| Screw Size | 3/8'' |
| Bit Hardness | Intermediate Hardness |
| Overall Length | 1 5/16'' |
| For Screw Recess Type | Aircraft |
Zephyr 1/4” hex insert shank B.N.A.E. (metric) screwdriver bits. For aircraft or machine screws. Also known as French recess bits, the name comes from the Bureau de Normalisation de l’Aeronautique et de l’Espace.
| Shank Size | 5/16'' |
|---|---|
| Screw Size | 3/8'' |
| Bit Hardness | Intermediate Hardness |
| Overall Length | 1 5/16'' |
| For Screw Recess Type | Aircraft |
