Schröder | Classic Bit Triwing No.6X25mm

Tri-wing Bit:  No. 6 (length: 25 mm)

For applications where screws and bolts must be torque-tight and tamper-resistant. The tri-wing, also known as triangular slotted, is a screw with three slotted "wings" and a small triangular hole in the centre

The design was adopted by some parts of the aerospace industry, led by Lockheed in the early 1970s. In the present day, it is usually seen on electronics equipment

Universal hexagonal shaft in 6,35 mm (¼ inch)