Wera · Taps

Wera 847 Hex Shank Tapping Drill Bit 6.8mm

The Wera 847 HSS Combined Tapping Drill Bit in 6.8mm is built for producing M8 threads — a robust, widely-used thread size across structural, mechanical and industrial applications. Combining drilling, tapping and deburring in one pass, it keeps workflow fast and tool changes to a minimum. Manufactured from high speed steel (HSS), this bit is designed to perform consistently in demanding conditions. The finely-tuned material elasticity provides resistance to fatigue, whilst the precise centring ensures each hole is started accurately. Effective chip removal prevents clogging during deeper cuts, and the secure ¼" hexagonal shaft interface — conforming to DIN ISO 1173-D 6.3 — ensures excellent torque transfer, reducing the effort required to cut clean, accurate M8 threads. Features and Benefits: • HSS construction for outstanding durability • ¼" hex shaft for very good power transfer • Finely-tuned material elasticity for great durability • Excellent centring properties for accurate drilling • Perfect chip removal for a clean, efficient cut • Low tilt risk for controlled working • Precise return movement Contents: 847 HSS Combined Tap Bit, 6.8mm x 51mm x M8 Specifications: Drill Diameter: 6.8mm Overall Length: 51mm Thread Size: M8 Drive: ¼" Hexagon (DIN ISO 1173-D 6.3) Material: HSS

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