5/8" Dia Jennings Screw Auger Bit

Experience precision, clean drilling, and traditional craftsmanship with the Jennings Pattern Screw Auger Bit, engineered for woodworkers who demand accuracy and superior control. Modeled after the renowned Russell Jennings double‑twist design, these auger bits deliver fast chip ejection, smooth feed rates, and tear‑out‑free entry — ideal for furniture makers, joiners, cabinetmakers, and hand‑tool woodworkers. Crafted from high‑quality tool steel and ground to rigorous manufacturing standards, each bit features twin cutting spurs for clean hole edges and a fine‑pitch lead screw that effortlessly pulls the bit through hardwoods and softwoods. The traditional square taper shank ensures a secure fit in any standard hand brace, providing unmatched control when boring deep, angled, or precise holes where power drills fall short. With a durable Austrian build and a full 9" overall length across all sizes, these bits are designed for longevity, accuracy, and professional‑grade woodworking performance.

• Classic Jennings Double‑Twist Pattern — Designed after the original Russell Jennings layout for rapid chip clearance and smooth, efficient boring.
• Twin Precision‑Cut Spurs — Cleanly score wood fibers to ensure crisp hole edges with minimal tear‑out.
• Fine‑Pitch Lead Screw Tip — Pulls the bit steadily through hardwoods and softwoods with controlled, low‑effort feeding.
• High‑Quality Tool Steel — Precision‑ground for durability, strength, and long‑lasting performance in fine woodworking.
• Traditional Square Taper Shank — Fits all standard two‑jaw hand braces for secure manual boring and maximum control.
• Ideal for Precision Woodworking — Perfect for through‑holes, mortises, joinery, dog holes, and angled or deep boring tasks.
• Consistent 9" Overall Length — Standardized length across all diameters for predictable reach and depth.
• Made in Austria — Premium European craftsmanship trusted by professional woodworkers worldwide.