Standard screws

Dell'Era Ermanno & Figlio produces and sells standard screws:

Hexagon head cap screws
Cheese head screws
Steel Pozy screws
Steel Phillips screws
Extrusion hexagon head cap screws
Slotted cheese head screws
Slotted oval head screws
Countersunk screws
Pressed hexagonal screws
Slotted pan head screws
Poeliers screws
Raised head screws with square neck
Countersunk screws with square neck
Welding screws with 3 pins
Welding screws with ring