The Wiha Bit Professional 90 mm (33930) indicates the mechanical and formal characteristics relevant when selecting bits for tools with 1/4" E6

The ICF106 is used for connecting fine and extra-fine stranded conductors

Anti-roll feature (non-roll feature)

Screw tightening and assembly in commercial and industrial applications where Phillips PH1 is required

Bit serie 4 torx 1/4"; TX8x70mm; m/boring Unit(s):Pcs The Wiha Bit Professional 90Product Description This is a TORX BO bit designed for security screws with a central security pin. The Wera 05060139001 (867 4 Z) is a TX 8 bit with a blade length of 70 mm and a 1 4" hexagon connection in Wera connecting series 4 (DIN ISO 1173 F 6. 3). Function and Construction The Wera 05060139001 (867 4 Z) has a bore in the output end, allowing it to accommodate the central security pin in TORX BO screws. The bit is designated as "tough" for use