Genuine Swiss TERSA HSS Reversible Planer Knives – Various Lengths

Upgrade your planer or thicknesser with genuine Swiss-made TERSA HSS reversible planer knives, engineered for professional performance, precision and fast blade changes.

TERSА is the original quick-change system trusted by professional woodworkers and manufacturers worldwide. Designed for use with TERSA cutterblocks and cutterheads, these knives allow blades to be replaced quickly, safely and without complicated adjustment.

When the cutting edge becomes worn, simply release the knife from the TERSA cutterblock and replace or reverse it. Thanks to the precision-engineered TERSA system, the knife automatically positions itself correctly during operation, eliminating the need for time-consuming blade setting.

Genuine Swiss Quality

Original TERSA knives are manufactured to exacting Swiss standards, with particular attention given to:

• Precision hardening

• Accurate grinding and sharpening

• Excellent fit within the TERSA cutterblock

• Consistent cutting performance

• Long service life

The superior hard surface and precise fit help ensure smooth, reliable planing performance and the correct operation of your TERSA cutter system.

HSS TERSA Knives

These reversible knives are manufactured from High Speed Steel (HSS) and are the most commonly used TERSA knife for general woodworking applications.

HSS TERSA knives are particularly suitable for softer and resinous woods with a more open cell structure.

Suitable timber includes:

• Silver Fir

• Cypress

• Cedar

• Larch

• Pine

• Douglas Fir

• Coastal Redwood

• Thuja

• Tsuga

Each knife features two cutting edges, allowing the blade to be reversed when one edge becomes worn, helping to maximise blade life and reduce downtime.

Available in Various Lengths

Select the required knife length from the dropdown menu.

Please ensure you choose the correct length for your existing TERSA cutterblock before ordering.

Key Features

• Genuine Swiss-made TERSA quality

• High Speed Steel (HSS)

• Reversible design with two cutting edges

• Fast and easy blade replacement

• No manual blade adjustment required

• Precision hardened and ground

• Excellent fit and cutting performance

• Suitable for professional planing and thicknessing applications

• Ideal for soft, resinous and open-cell timber

• Available in multiple lengths

Frequently Asked Questions

Q. Are these genuine TERSA knives?
Yes. These are genuine Swiss-made TERSA knives manufactured to the high standards associated with the original TERSA system.

Q. Do I need to adjust the knives after fitting them?
No. One of the key advantages of the TERSA quick-change system is that the knives are designed to position themselves correctly within the cutterblock during operation.

Q. Can the knife be used on both sides?
Yes. The HSS knife is reversible and features two cutting edges. Once one edge becomes worn, simply reverse the knife to use the second edge.

Q. What type of wood is the HSS TERSA knife best suited for?
HSS TERSA knives are particularly suitable for softer and more resinous woods with an open cell structure, including pine, cedar, larch, Douglas fir and similar timbers.

Q. How do I choose the correct knife length?
Measure your existing knife or check your machine or cutterblock specification, then select the matching length from the dropdown menu.

Q. Can these knives be fitted to any planer?
These knives are designed specifically for compatible TERSA cutterblocks. Please check your cutterblock type and knife dimensions before ordering.