Sirius Socket Set Plain Cup Point Grub Screws

This M20 x 40mm Sirius Socket Set Plain Cup Point Grub Screw combines a large-diameter M20 thread with a solid engagement length, designed for the heaviest industrial shaft-locking tasks requiring substantial clamping force. Features and Benefits: • High-strength steel construction with black finish • Plain cup point for secure, low-damage grip • Internal hex socket drive for high torque tightening • Headless design for flush installation • Precision metric threads Speci