Drill Doctor Selection Guide

The DD350X is a value-priced drill bit sharpener ideal for the shop that uses the most common bit styles and works mainly in wood and light metals.

• Easy, front-loading chuck
• Sharpens 3/32" - 1/2" standard-twist bits
• Sharpens high-speed steel, masonry, carbide, and TiN-coated bits
• Simplified alignment and sharpening procedures
• User-replaceable diamond sharpening wheel
• Durable construction

Sharpens a full range of bits--including split points and the 135° bits used in drilling hardened metals

Does everything the 350X does, PLUS:

• Sharpens split-point bits for faster penetration and less drill bit "walking"
• Creates split-point bits from standard bits
• Quick Change diamond sharpening wheel, no tools needed
• Variable Alignment lets you adjust chisel and relief angles

Built to handle larger drill bits--up to 3/4" and offers additional custom flexibility

Does everything the 500X does, PLUS:

• Sharpens 3/32" - 3/4" bits with one heavy-duty chuck
• Custom Point--choose any angle from 115° to 140°
• Adjustable Material Take-Off (MTO) so you can touch up a slightly dull bit or deep grind for a heavily damaged bit