This hex socket set screw assortment kit puts 240 stainless steel grub screws in 12 metric sizes — M3, M4, M5, M6, M8 and M10, two lengths each, 20 pieces per size — plus five L-shaped Allen wrenches (1.5/2/2.5/3/4 mm) in a compartment case. Headless and fully threaded, these cup point set screws with allen wrenches included drive flush into tapped holes, take high torque without cam-out, and bite the mating surface to resist vibration. Use them for shaft collars, gears, pulleys, door handles, towel bars, faucet handles, precision machinery, electronics and jigs. In stock; OEM packaging, box, label and in-box assortment customizable.