Designed for use in power drill chuck and chuck adapter
All IRWIN fastener drive bits are manufactured to meet ANSI standards.
Forged from high-grade S2 steel, IRWIN bits are between 58 and 62 on the Rockwell hardness scale.
Compact, economical bits that change over quickly and require less storage space. Best suited for maintenance and repair work. Common in automotive and computer industries. Ideal for high torque applications. TORX is a registerd trademark of Acument Intellecutal Properties LLC.