M3 x 40mm Slotted Raised Countersunk Screws (DIN 964) - A4 Stainless Steel Slotted Raised Countersunk Machine Screws feature slightly rounded countersunk head and a slotted drive. The slotted drive is the simplest form of screw drive which is designed to be used with a Flat Head Screwdriver, whilst the raised countersunk head provides an attractive finish as well as offering additional drive grip. Machine Screws are massively versatile as they are available in a wide variety of head styles and drive types. These Slotted Raised Countersunk Machine Screws are made from A4 Marine Grade Stainless Steel which provides corrosion and oxidation resistance as well as increased resistance in harsh chemical and outdoor environments. For larger quantities or custom sizes, please email and one of our team will provide you with a quotation. M3 x 40mm Slotted Raised Countersunk Screws (DIN 964) - A4 Stainless Steel