Drill Doctor 100 Grit Coarse Diamond Wheel for 750X/500X/350X (DA31325GF) | Sharpen Drill Bits

Overview

The Drill Doctor 100 Grit Coarse Diamond Wheel is a purpose-built sharpening accessory designed to revive dull, nicked, or misshapen drill bits. It fits the 750X, 500X, 350X, and XP models, delivering a fast, controlled material removal that helps reestablish a true cutting edge.

Key benefits

• 100 grit coarse diamond surface enables quicker reshaping and edge refresh for worn bits.
• Designed as an optional coarse-grit accessory for Drill Doctor tools, expanding sharpening options without upgrading the entire system.
• Supports straightforward maintenance by allowing a single wheel to refresh multiple Drill Doctor models when needed.

American craftsmanship stands at the core of this wheel. Drill Doctor by Work Sharp is built by dedicated hands in Ashland, Oregon. This family-owned company has been producing premium sharpening tools in the USA for over 40 years. With a team of more than 100 employees and more than 5 million sharpeners sold, the brand emphasizes consistency, durability, and practical design that many workshop owners appreciate.

Real‑world use cases

• Revive a dull drill bit with a quick pass to regain a sharper edge for metal, wood, or plastics.
• Address minor chipping on a tip to restore alignment and accuracy for precise drilling.
• Keep your tools ready across different Drill Doctor units with a single, reliable coarse wheel.

Tips for best results

• Attach the wheel to compatible units: 750X, 500X, 350X and XP, following the manufacturer’s guidelines.
• Wear eye protection and work in a well-lit area to monitor edge geometry as you sharpen.
• Test on a sacrificial bit first to dial in pressure, speed, and the number of passes before touching premium bits.

What to expect

The 100 Grit coarse surface is intended for rapid refreshes rather than guaranteeing identical results on every bit. Variations depend on bit material, condition, and technique, but many users find quicker touch-ups and renewed edge geometry with regular use.