Sygma industrial grade spanner insert bits are ideal for professionals to drive spanner security screws in control panels. The 1/4″ hex shank makes the spanner insert bits compatible with many popular brands of power drill chucks. CNC computer generated tip ensures a firm, strong grip with fasteners and screws.
S2 shock resistant, heat-treated tool steel maximizes durability and performance. Thus, our insert bits have an optimal combination of price and quality.