Saw blade sharpening: knowledge and frequently asked questions

We sharpen TCT, HSS and solid carbide circular saw blades as well as segmental circular saw blades up to Ø 1,600 mm depending on type, including blades from other manufacturers. Most of our customers are industrial companies, above all processors of aluminium, copper and brass – plus joinery, carpentry and timber construction businesses, and private customers.

As a manufacturer of circular saw blades since 1974, we sharpen in-house in Recklinghausen. We know the geometry from our own production.

You bring your blades in, send them by parcel or arrange a collection. We inspect every blade and sharpen it in-house. Then it comes back to you the same way.

If a resharpening is no longer worthwhile, we will contact you beforehand and advise you. How sending in works

Usually about one week from receipt. Rush orders can sometimes be completed on the same day – just call us beforehand.

We will get back to you as soon as possible.

That depends on the blade type, diameter and condition. You will receive a quotation – call us on +49 2361 84501.

If a resharpening is no longer worthwhile, we will tell you beforehand.

Yes, private customers are very welcome too.

Simply bring your blade in: Mon–Fri 07:00–15:45 or by arrangement, Christine-Englerth-Straße 42, 45665 Recklinghausen, Germany.

Typical signs are frayed or rough cut edges, burn marks, burrs and more force needed for feeding. Then it is time to have the blade sharpened.

Broken or chipped teeth are also a reason to have the blade inspected.

Ideally as soon as the cut quality deteriorates. A very blunt blade requires more material removal during sharpening.

There is no general answer – it depends on the material, the cutting volume and the machine. What matters is not to take the blade out too late: otherwise wear is greater, more material has to be removed during sharpening, and the risk of damaged cutting edges and teeth increases.

That depends on the blade – on the manufacturer, design and condition. Blades are designed differently – some for frequent resharpening, others less so.

The grinding method also plays a role: grinding only the tooth face removes more material for the same sharpness. As a rule, we grind both the tooth face and the tooth top (periphery). This way we remove only as much material as necessary – which protects your blade. We inspect every blade before processing and tell you whether a resharpening is still worthwhile.

Sharpening is usually worthwhile: a professionally resharpened blade will in many cases perform almost like new again – at a fraction of the cost of a new blade.

If a resharpening is no longer worthwhile, we will contact you beforehand and advise you on a suitable new blade from our own production. Sharpen or buy new?

Often TCT circular saw blades, but HSS metal circular saw blades are also suitable for non-ferrous metals. Which version is right depends on the machine, the profile and the quantities.

We advise you and sharpen both types in-house. Aluminium, copper, brass – e.g. window profiles & architectural hardware

TCT blades have carbide teeth; HSS blades are made of high-speed steel. TCT is typical for aluminium, copper, brass, plastics and wood, HSS for steel, tubes and profiles.

We sharpen TCT blades from Ø 80 to 1,300 mm and HSS blades from Ø 80 mm – where technically feasible and available, large diameters are made as segmental blades. Non-ferrous metals: aluminium, copper, brass

As the name suggests, the entire blade is made of carbide, not just the teeth. Solid carbide blades cut with little burr, last a long time and allow significantly higher cutting speeds than HSS blades.

They require a rigid, low-vibration machine. We manufacture solid carbide blades and resharpen them up to Ø 300 mm, smaller ones below Ø 80 mm on request. Solid carbide circular saw blades

A segmental circular saw blade has a CrV steel blade body with HSS tooth segments riveted all around it. The advantage: damaged segments can be replaced, individual ones too – the blade body is reused.

We sharpen and recondition segmental blades. HSS segmental circular saw blades

Carbide-tipped (TCT)

• Triple-chip grind (TCG): wear-resistant, clean cut – often used for aluminium, non-ferrous metals and plastics.
• Flat top (FT): robust – often used for rip cuts and rough cutting.
• Alternate top bevel (ATB): teeth bevelled alternately left and right – clean edges.
• Chip breaker groove (STN): splits the chip, easier chip removal, smoother running.
• Group tooth design: teeth arranged in recurring groups – smoother running, less vibration.

HSS metal circular saw blades

• A – pointed tooth: fine, pointed teeth for thin-walled profiles and tubes.
• AW – pointed tooth, alternately bevelled: like A, particularly clean cuts.
• B – curved tooth: large gullet, for solid material and thick walls.
• BW – curved tooth, alternately bevelled: like B, smooth running and clean edges.
• STN – chip breaker groove: splits the chip, easier chip removal, smoother running.

We choose the tooth form and angles to suit your saw and your application – and we are happy to advise you.

More on this: Tooth forms of circular saw blades and their purpose

Yes. The tooth form is retained when resharpening. Larger changes call for a new blade, which we design to your requirements and operating conditions.

If teeth are broken or heavily worn, we recondition your blades – carbide-tipped blades by re-tipping, HSS blades by re-toothing. We check beforehand whether this is worthwhile for your blade.

If it is no longer worthwhile, we will tell you and advise you on a suitable new blade.

TCT and solid carbide circular saw blades, HSS metal circular saw blades (HSS-DMo5 and HSS-E (Co5)) and HSS segmental circular saw blades – including blades from other manufacturers. The aim is to restore performance to almost as-new condition.

Sharpening and repairing circular saw blades

Protect each blade individually, enclose your contact details and send them to us in a sturdy box. Ideally, each blade lies between cardboard discs with the teeth covered.

How sending in works

You pay for shipping to us. If we do not deliver your tools back ourselves, we return them securely packed – usually in your own packaging.

We work for customers throughout Germany and beyond. We are happy to collect your blades, have them picked up by a courier service, or you can simply send them to us – just get in touch.

Yes, Mon–Fri 07:00–15:45 or by arrangement at appel werkzeuge, Christine-Englerth-Straße 42, 45665 Recklinghausen, Germany.

Yes, gladly. We work for customers throughout Germany and beyond. We are happy to collect your blades, have them picked up by a courier service, or you can simply send them to us – just get in touch.

Yes. We have been developing and manufacturing circular saw blades since 1974, in Recklinghausen since 1996, tailored to material, application and machine. Our range extends from carbide-tipped blades (Ø 80–1,300 mm) and solid carbide blades (Ø 15–300 mm) to HSS metal circular saw blades to DIN 1837, 1838 and 1840.

TCT circular saw blades · HSS metal circular saw blades

Yes. If standard blades are not enough, we design blades individually – to your requirements and your actual operating conditions in terms of material, machine and process. Where possible, we also make minor optimisations to existing blades – what makes sense is decided case by case.

New circular saw blades