Tested: Twist-bit sharpeners

Don’t throw away dull twist bits—you can sharpen them yourself.

Sharpens 332-in to 12-in standard-twist bits. Optional 12-in to 34-in large bit chuck available separately. Sharpens high-speed steel masonry carbide cobalt tin-coated and split-point bits. The new one-piece alignment system improves precision and adjustability.

Drill Doctor DD350X Drill Bit Sharpener

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Tool review: Compact Power Drivers

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Letter A Jobber Drill Bits General Purpose Package of 10

Craftsman Electric Drill Bit Sharpener 66820 Vintage Sears. TESTED

How To Sharpen Your Drill Bits With The Drill Doctor

Tiny dowels create big problems