M4 x 30mm Flat Point Socket Grub Screws (DIN 913) - A2 Stainless Steel Socket Flat Point Grub Screws feature an internal socket drive, and are fastened with a Hexagonal\/Allen key. Grub Screws are used to connect two objects together by threading into one and applying tension to the other. The Flat Point on this Grub Screw is less likely to cause damage to the material they are set into as, unlike the cup or cone point grub screws, they arent designed to dig into the surface of the fastened area but instead lay flush against it. These Socket Flat Point Grub Screws are made from A2 Stainless Steel which provides corrosion and oxidation resistance. For larger quantities or items not listed, please email and one of our team will provide you with a quotation. M4 x 30mm Flat Point Socket Grub Screws (DIN 913) - A2 Stainless Steel