
The Full Boar HEX4 x 50mm Impact Torsion Bit Set is a 5-piece pack of 4mm hex driver bits for impact use.
The torsion zone absorbs impact shock when driving 4mm hex-socket screws and fasteners in timber, framing and general assembly.
Full Boar hex4 x 50mm Impact Torsion Bits Set 5 Pack is a set of five impact torsion bits designed for durability and precision in fastening applications.
The Full Boar hex4 x 50mm Impact Torsion Bits Set is engineered for high-performance fastening tasks. Featuring a Flex Tech torsion zone, these bits absorb high torque stress, reducing the risk of fracture during use. Made from hardened S2 modified impact-resistant steel, they offer extended life and reliability. The CNC magnetic tips ensure a supreme grip, holding screws securely in place for accurate fastening. With a 6.35mm (1/4”) accessory fitment, these bits are compatible with a variety of power tools, making them suitable for both professional and DIY applications.
| Dimensions (W x H x D) | 70mm x 15mm x 120mm |
| Weight | 0.05kg |
| Material | S2 Steel |
| Model Number | FHX4-505 |
| Pieces | 5 |
| Minimum Chuck Size Required | 6.35mm (1/4”) |
| Bit Diameter | 6.35mm (1/4”) |
The Full Boar hex4 x 50mm Impact Torsion Bits Set 5 Pack is designed for reliable performance in various fastening tasks.
HEX4, a 4mm hex socket.
Five HEX4 x 50mm bits.
Yes, they have a 6.35mm (1/4in) hex shank.

