Wera 840 S Hexagon Screwdriver Bit Imperial for Hand Impact Drivers

The Wera 840 S Hexagon Screwdriver Bit Imperial range is engineered for demanding impact driver applications, delivering exceptional durability and performance. These extra tough bits are specifically designed for hexagonal socket screws and compatible with Wera impact screwdrivers 921, featuring a robust 1/4" hexagonal drive for secure engagement.

Utilising Wera's innovative Hex-Plus technology, these bits maximise contact surface area within the socket head screw, significantly reducing wear on both the fastener and the bit itself. This intelligent design prevents premature bit breakage and extends service life, making them ideal for professional tradespeople who demand reliability in high-torque applications. Available in imperial sizes from 1/8" to 1/4", each bit is 70mm in length, providing the perfect balance between reach and control for hand impact driving tasks.

Features and Benefits:
• Extra tough construction prevents premature breakage and extends service life
• Hex-Plus technology reduces wear on socket head screws and bits
• Designed specifically for use with Wera impact screwdriver 921
• 1/4" hexagon drive ensures secure engagement with impact drivers
• Precision-engineered for hexagonal socket screws
• 70mm length provides optimal reach and control