Japanese SK4 High Carbon Steel

Replacement Edge Pro™ Tips
(4-Pack)

£6.00 £6.00 for the 4-pack (£1.50 per tip) • Includes VAT
Production In Progress — Allocated with Batch 1 Sets

Never waste another minute on site sharpening damaged edges. Precision CNC machined from Japanese SK4 high carbon steel, cryogenically hardened to 61–63 HRC, and ground to 25° only (no micro-bevel grinding). Swap tips in under 30 seconds.

Tip Packs Allocated with Batch 1

All current production is dedicated to completing the pre-orders. Standalone tip packs will be re-opened once existing orders are dispatched.

Questions? Contact Hackett Tools
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Tip Technical Specifications

Steel Grade Japanese SK4 High Carbon Blade Steel (JIS G4401)
Heat Treatment Vacuum furnace quench + Sub-zero Cryogenic temper (62 HRC)
Grind Angle Ground to 25° only (no micro-bevel)
Mounting Self-centering high-tolerance dovetail alignment
Compatibility Guaranteed fit for all Hackett Edge Pro™ series chisels
How do I change the tip?

Use the hex wrench provided with your Edge Pro chisel to loosen the recessed locking screw on the underside of the chisel neck by 1.5 turns. Slide the old tip out, insert the new pre-sharpened tip into the dovetail slot until fully seated, and tighten the screw securely.

Can I recycle used tips?

Yes! Our tips are pure A2 steel and 100% recyclable with any metal scrap, or you can repurpose them as scrapers and detail carving blades.

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Edge Pro™ Twin Pack (25mm & 19mm)

The flagship master set with 25mm and 19mm high carbon steel precision chisels, English Oak handles, and 4 spare tips.