A4 Stainless Steel Torx Screws

Also known as star, 6 lobe, and hexalobular internal. Once, they were typically used in applications requiring tamper resistance; as drivers became more common, specific tamper-resistant variants were developed. The torx drive design allows for a higher torque to be exerted than a similarly sized conventional hex socket head. The torx drive design is particularly well suited for use with torque control features on a drill driver, making it easier to acheive a consistent fit.