Description
General description These M4 x 20 mm T304 (A2) Stainless Steel Wing / Butterfly Screws are designed for easy hand tightening and quick assembly or disassembly. Featuring two wing-like projections from the head, they allow users to turn and tighten the screw using just their thumb and finger, eliminating the need for additional tools. Technical specifications Diameter (d): M4 Length (l): 20 mm Head width (e): 17.6 mm Head height (h): 8.6 mm Thread pitch (m): 2.9 mm Usage Ideal for applications requiring quick hand tensioning and clamping. Suitable for various DIY and home improvement projects.