Ski Edge Files & Diamonds – When to Use Which Tool?

Files in Ski Service – Overview & Applications

If you want to perfectly prepare your skis, you can't avoid the topic of ski filing. Sharp, clean edges determine grip, riding pleasure, and safety on the slopes. But which file is the right one? And when do diamonds or edge rubbers come into play? In this article, I'll show you step-by-step which tools you need and how to use them depending on snow conditions.

To ensure your skis are perfectly prepared, you should know the differences between files.

Aluminum Oxide Stones

• For removing damage and hardened spots on the edge
• Always use wet

Body Files (long or short)

• Exclusively for preparing the sidewall and cleaning the Titanal top belt
• Never use for working on the ski edge
• Short version: in manual Plexi-blade sharpeners

Classic Ski Files (Cut & TPI)

• Cut 1 / 14 TPI: slightly coarser, ideal for filing new skis & with heavier damage; easy to handle – perfect for beginners
• Cut 2 / 15 TPI: most commonly used (racing standard); good material removal & very good results
• Cut 2 / 16 TPI: less material removal, finer surface – excellent for aggressive artificial snow
• Cut 2 / 18 TPI: very fine; clogs faster, therefore more demanding

Carbide Files

• Medium: for damage to the edge & for filing new skis
• Fine: for a particularly smooth finish

Advantages: more expensive, but significantly longer lifespan and more resistant to hardened spots on the edge; remain effective for longer

Tips for Proper File Usage

Deburr File Ends

Deburr the ends of the file that run over the edge with sandpaper before use. Burrs often form when cutting to length, which can damage the edge again.

Check File Shape

Pay attention to convex/concave curvature. If the file is too curved, only the ends will make contact – the result will be inaccurate. If severely curved, use only from one side.

Files are Consumables

If the cut no longer works cleanly despite repositioning (first thoroughly remove Titanal!), replace. Guideline: approx. 5–10 pairs of skis per side, less for stony/hardened edges.

Diamonds in Ski Service – When to Use Which Grit?

Preparation & Standard

• 220 & 325: work out minor damage before filing
• 400: gentle intermediate step
• 600 & 1000: standard for finishing in most snow conditions
• 1200–2200: finest polishing for very smooth edges
• Arkansas (~1500): for very icy slopes – provides a particularly sharp edge

Edge Rubbers – Small Helpers for Fine Adjustments

Areas of Application

• Deburring in aggressive snow: slightly dull the sharpness so the ski isn't too biting
• Gently remove rust: remove surface rust without significantly reducing edge sharpness

Practical Guides: Steps Depending on Snow Conditions

Normal Winter Snow

1. File the edge evenly with Cut 2 / 15 TPI
2. Deburr with Diamond 1000: 2 passes base side, polish 2 passes side edge

Very Aggressive Artificial Snow

1. File the edge evenly with Cut 2 / 16 TPI
2. With Diamond 600: deburr 2 passes base side
3. With Diamond 1000: polish 2 passes side edge
4. Finish: deburr 1 pass 1000 on base side & polish 1 pass 1000 side edge

Very Icy Slopes

1. File the edge evenly with Cut 1 / 14 TPI
2. With Diamond 1000: deburr 2 passes base side
3. With Diamond 600: polish side edge

Conclusion

Whether an all-rounder file, carbide, or fine diamond: with the right tools and a clean sequence, you'll achieve grippy, durable edges. An edge rubber helps with fine-tuning. Regularly check your files and replace them when performance drops – this keeps the edge in top shape, whether in powder, artificial snow, or ice.

Tip: In our shop, you'll find files,diamonds and edge rubbers for your ski service.