and the crimping area is hard-soldered ("Pressbereich hartverlötet")

routine-tested individually according to IEC 60900

(citation of functional details from manufacturer's specifications)

Temperature rating: 370 °C

Bit serie 4 unbrako 1/4"; SW4,0x152mm Unit(s):Packet and the crimping area isProduct Overview The Wera 840 4 Z Hex Plus bit 05059634001 is a bit for internal hexagon (hex) screws. The product is specified as a 4. 0 mm Hex Plus bit with a blade length of 152 mm (6") and a 1 4" hexagon drive for tool holders. Function and Design This 840 4 Z Hex Plus bit features a Hex Plus profile, which increases the contact surface against the screw's flanks rather than its corners. According to manufacturer documentation, Hex Plus reduces