Extra tough bit for square head socket screws. This prevents the bit from breaking prematurely and extends its service life. Suitable for use with Wera impact screwdriver 921. With 1/4" hexagonal drive.Features and Benefits:&bul...

Multi-material screw with twin-cut technology. Ideal for applications when optimum holding force is required, such as hinges, brackets and high load environments. Features deep recess to prevent cam-out, giving precise and positive drive control. Under-head...