A Clamping Screw for Weldon and Whistle Notch (Whistle Notch Spannschraube) is a specialized clamping screw equipped with a whistle notch, a unique design feature that facilitates precise alignment and secure fastening in mechanical assemblies. The notch, resembling a whistle’s slot, allows for exact positioning and locking with corresponding components, ensuring a stable and reliable connection. This design is particularly useful in applications where high precision and strength are essential, preventing the screw from loosening under vibrations or torque. The Whistle Notch Spannschraube is commonly used in advanced engineering fields, including aerospace, automotive, and machinery manufacturing, where meticulous assembly accuracy is critical.