Wera Set of 2 840/4 Z SB Bit, 1 x 3.0 x 152 - WE 05136301001
Tough Wera bits for hexagonal socket screws, for universal use. Hex-Plus offers larger contact surfaces in the screw head. The notch effect is reduced to a minimum and the destruction of the screw head is almost eliminated. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.
Features:
- For hexagonal socket head screws
- Hex-Plus allows socket head screws to live longer
- Tough for hard materials
- 1/4" hexagon drive (Wera connecting series 4)
Characteristics:
- Hex-Plus
- Hexagon socket screws are a problem, because the contact surfaces that transfer the force of the tool to the screw are very narrow. The consequence - the head of the screw can be damaged, usually rounding out the recess. Hex-Plus tools have larger contact surfaces to prevent this, driving from the flats of the recess, rather than the corners. Good to know - Hex-Plus tools fit into every standard hexagon socket screw
- Tough bits
- Tough Wera bits prevent the tip from breaking prematurely. Z-bits usually are the bit for universal screwdriving applications
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