Diamond Sharpening Stones & Water Stones for Woodworking

Diamond & Water Stones for Sharpening Woodworking Tools

A sharp edge is the foundation of clean, precise woodworking. Our diamond sharpening stones and water stones make it easy to restore a razor edge on chisels, plane irons, carving knives, and router bits. With 17 products ranging from pocket-sized credit card sharpeners to full bench stones and complete multi-stone systems, there is an option for every shop and skill level.

Diamond stones cut fast, stay flat, and require minimal maintenance — a splash of water or light lubricant is all that is needed. Water stones excel at polishing fine edges and are a favorite for hand-tool woodworkers who want a mirror finish. Products from DMT, M.Power, and Diamond Cross give you professional performance at the bench, in the field, or at the router table.

Choosing the Right Grit and Format

Coarser grits (100–300) quickly remove metal from a damaged or very dull edge. Medium grits (600–1200) refine the bevel and remove scratches. Polishing stones (1500 and finer) or diamond paste bring the edge to a razor-sharp finish. Dual-grit stones and multi-stone bundles let you work through all stages without swapping tools. A vise-style honing guide keeps your chisel or plane iron at a consistent angle through every sharpening stage.

Credit card & folding diamond stones for portable touch-ups
Bench-style dual-grit stones for full sharpening sessions
Diamond paste kits for mirror-finish polishing
Diamond cross sharpeners sized for router bit carbide edges
Flattening plates for dressing water stones

Pair your stones with shop maintenance supplies to keep all your cutting tools performing at their best. Explore everything in our Shop Essentials collection, or browse Woodshop Basics for other foundational shop tools. The Fasttrack Mk2 Bundle is a popular all-in-one sharpening system for those ready to invest in a complete setup.

Frequently Asked Questions

What is the difference between a diamond stone and a water stone?

Diamond stones use a metal plate coated with industrial diamond abrasive, which cuts fast, stays flat, and works with water or oil. Water stones are made from abrasive particles bonded in a softer matrix; they dish more quickly but can produce a finer, more polished edge — making them a favorite for hand-tool woodworkers. Visit our learning blog for detailed sharpening guides.

Do diamond sharpening stones need oil or water?

Most diamond stones work best with a small amount of water or a dedicated lapping fluid as a lubricant and swarf cleaner. Dry use is possible but can shorten stone life. Check the product instructions, as some pocket-style stones are designed for dry use.

What grit do I need to sharpen a chisel or plane iron from scratch?

Start with a coarse grit (around 200–300) to establish the bevel if the edge is damaged or very dull, then move through medium (600) to fine (1200 or higher) grits to refine and polish. A dual-grit bench stone covers the most common needs in a single tool.

Can I use these stones to sharpen router bit carbide edges?

Yes. The Diamond Cross Router Bit Sharpener is specifically designed for touching up carbide router bit edges between professional sharpenings. It extends bit life and improves cut quality.

What is diamond paste used for in woodworking sharpening?

Diamond paste is used at the final polishing stage to achieve a mirror-bright, razor-sharp edge on chisels, plane irons, and carving tools. It is applied to a leather strop or a flat metal plate and produces a finer finish than most bench stones can reach.

Do I need a honing guide to use sharpening stones?

A honing guide is not required, but it is highly recommended for consistent results, especially for beginners. The Vise Style Honing Guide holds chisels and plane irons at a fixed angle so every sharpening session produces the same bevel.

How do I keep my water stone flat?

Water stones dish with use and must be periodically flattened with a diamond flattening plate. A flat stone is critical for producing an accurate flat bevel on chisels and plane irons. The DMT Dia-Flat Flattening Plate is an effective tool for this task.

Does Infinity Tools offer free shipping on sharpening stones?

Qualifying orders over the free-shipping threshold ship free. See our shipping policies for current thresholds, transit times, and carrier details.

What is the M.Power Fasttrack Mk2 sharpening system?

The Fasttrack Mk2 Bundle is a complete flat-stone sharpening system that includes diamond stones and a precision honing guide designed to sharpen chisels and plane irons quickly and repeatably at a controlled bevel angle.

What other shop essentials does Infinity Tools carry?

Beyond sharpening stones, our Shop Essentials collection includes measuring & layout tools, marking gauges, calipers, rulers & squares, workholding, and shop maintenance supplies — everything a woodworker needs to run a productive shop.

Diamond Stones