The SYSTEM 4 bit holder from Wiha is specifically designed for accommodating C4 (4 mm) bits and offers an efficient solution for precise screwing tasks. This tool is characterized by its robust chrome-vanadium steel, which has been thoroughly hardened and electroplated to ensure durability and corrosion resistance. With a length of 135 mm and a weight of only 24 grams, the bit holder allows for excellent handling and precision. The technical specifications include a shaft diameter of 4 mm and a hexagonal socket, specifically designed for use with Wiha System 4 bits. This high-quality tool is ideal for professional applications where reliability and precision are required.
The external hexagon head is one of the most common head shapes for screws and bolts. It has a hexagonal shape and is designed so that it can be turned with a wrench, socket wrench or ring wrench.
Hexagon socket
The hexagon socket head is a widely used screw head shape that has a hexagonal recess in the head of the screw. This recess is operated with a hexagon socket wrench, also known as an Allen key.