ACube Fasteners manufacturer & supplier of machine screw with a traditional CSK Slotted Raised Head Screw. Oval heads are countersunk (cone shaped under the head) with a rounded top. Slotted drive has a simple slot for a flat bladed screw driver. Materials are available in a wide variety for CSK Slotted Raised Head Screw including LOW CARBON STEEL 4.6,4.8,5.6,6.8, BRASS, ALLOY STEEL GRADE 8.8 & 10.9. CSK Slotted Raised Head Screw are available in metric thread sizes ranging from M2.5 through to M10, and lengths of between 6 mm up to 100 mm as standard. Non-standard dimensions are also available on request.Inch sizes are also available on request.