Prime Industrial Components manufactures slotted grub screws and socket screws. Prime Industrial Components is also the manufacturer of brass anchors, brass spacers, brass threaded inserts, brass nut, bolt, screw, pin, stud, grub screws, rivet and washers. Slotted grub screws and socket screws are available in sizes from 1mm to 16mm in thread size and up to 100mm in length. They are threaded to M3, M4, M5, M6, M8, M10, M12, M16 and M20.It is also available in 1/8", 5/32", 3/16", 4/16", 5/16", 3/8", 1/2", 5/8", 3/4", 1" in BSW, BSP, UNEF, UNF, UNC and 10BA to 0BA. Slotted Grub Screws standards are DIN 438,551 & 553. Socket screws standards are DIN 913, 914 & 915.