Sirius Countersunk Machine Screw Slotted BZP

This Sirius Countersunk Machine Screw Slotted BZP is sized M4 x 50mm, the longest M4 variant in the range, ideal for deep assemblies, thick stacked panels and applications requiring maximum thread engagement at M4 diameter. The BZP coating provides corrosion resistance, the countersunk head delivers a flush finish, and the slotted drive works with a flat-blade screwdriver. Features and Benefits: • BZP finish for corrosion resistance • Countersunk head for a flush finish • Slotted drive for flat-blade screwdriver installation • Precision metric threads • Suitable for profess