Faithfull HSS Jobber Drill Bit 8.5mm 117mm Pack of 1

About this tool

The Faithfull 8.5mm HSS Jobber Drill Bit with 117mm overall length is perfectly sized for pilot holes when tapping M10 threads, making it essential for mechanical engineering and precision assembly work with larger fixings. This specialist diameter is also valuable for various metalworking applications requiring intermediate sizing. The extended length provides excellent reach for deeper operations. Manufactured to the exacting DIN 338 standard, this 8.5mm bit features robust high-speed steel construction that provides exceptional strength and durability under demanding conditions. The precision-ground cutting edges ensure easier hole starting and improved penetration through steel, iron and most metals, delivering accurate, clean holes consistently. Perfect for professional engineers, mechanics and fabricators working with medium to large fixings and structural components, this drill bit performs reliably in both hand and power drills. Its quality construction makes it invaluable for precise thread preparation work. Features and Benefits: • 8.5mm diameter × 117mm length for M10 tapping • DIN 338 certified quality • Robust HSS construction for demanding work • Extended length for deeper drilling • Precision-ground for accurate holes • Suitable for hand and power drills Specifications: Tip Diameter (mm): 8.5 Working Length (mm): 57 Overall Length (mm): 117 Pack Qty.: 1

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.