Guide · Costs and retipping
Diamond tool retipping– methods, costs and benefits.
Retipping a diamond tool means replacing the worn segments while keeping the sound steel core. It usually costs about half the price of a new tool, and the core goes back to work instead of to the scrapyard. The latest trend is retipping with a bond correction: the new segments are selected based on a wear diagnosis of the old ones, so the tool can cut longer after retipping than before.
The key points in 30 seconds
- What is replaced: worn diamond segments. The core is checked, straightened and reused.
- Methods: hard brazing for wet work, laser welding for dry work and high temperatures.
- Cost: roughly about 50% of the price of a new tool – depending on the diameter, number of segments and condition of the core.
- Condition: a core without cracks or overheating, with undamaged segment seats.
- Trend: segments not 1:1 from the catalogue, but selected after a wear diagnosis – every cycle fits your material better.
What is diamond tool retipping?
Retipping returns a tool to work by replacing the worn working part – the diamond segments – with new ones. A blade's steel core or a core bit's tube wears many times more slowly than the segments, so once they are worn it is usually fit for further use.
Good retipping is more than brazing on new segments. It has three stages: assessing the core (cracks, straightness, run-out, overheating, seats), selecting and fitting the segments, and a quality check of the joint and run-out, recorded in a report. Without assessment and checks, retipping is a lottery.
Which diamond tools can be retipped?
Retipping is mainly for tools where the core is a significant part of the price: large-diameter blades, core bits and grinding tools. Small angle grinder blades are usually not retipped – a new blade costs less than the labour.
| Tool | What is replaced | When it makes sense |
|---|---|---|
| Wall saw and cut-off saw blades | Segments; core straightened and tensioned | Medium and large diameters, series work |
| Bridge saw and block cutter blades | Segments matched to the stone | Stone processing plants, continuous cutting |
| Core bits | Segments or the whole tube with segments | Larger diameters; the threaded end cap is kept |
| Grinding tools and cup wheels | Grinding segments | Grinding floors, concrete and stone |
| Angle grinder blades | – | Usually not worth it |
What are the methods of diamond tool retipping?
The method is chosen by the tool's working conditions, not by price. The most important question is: does the tool work wet or dry? That determines how hot the joint between segment and core gets.
Most common
Hard brazing (induction)
The segment is joined to the core with silver braze, heating the joint by induction. A fast, repeatable method for tools working with water cooling.
- For
- Wall saws, cut-off saws, wet core bits, stone blades
- Limitation
- Braze softens at high temperature – not for dry work
For dry work
Laser welding
A segment with a diamond-free layer at its base is welded with a laser beam. The joint withstands temperatures at which braze already gives way, and the heat-affected zone in the core is small.
- For
- Blades and core bits for dry cutting, tools prone to overheating
- Limitation
- More expensive; needs segments prepared for welding
Core bits
Tube (crown) replacement
When a core bit tube is bent, worn through or too short, it is replaced together with the segments. The threaded end cap is kept, e.g. 1 1/4" UNC.
- For
- Larger-diameter core bits
- Limitation
- For small diameters a new bit is often cheaper
This is not retipping
Dressing the segments
Cutting an abrasive material or a dressing stone exposes new grit in a glazed segment. It helps in the short term but does not restore segment height.
- For
- Segments with height left that have stopped cutting
- Limitation
- Does not remove the cause – the wrong bond
For large-diameter blades every method is complemented by straightening and tensioning the core. It restores stability and straight cutting, but it will not repair a crack.
Trend 2026
The latest trend: retipping with a bond correction
Classic retipping replaces segments 1:1 – with the same ones the tool had from the factory. If the factory segments were poorly matched to your material, retipping repeats the same mistake: the blade glazes again or wears too fast again.
Retipping with a bond correction reverses this logic. A worn segment is a record of how the tool worked. A smooth, shiny surface points to a bond that is too hard, fast wear to one that is too soft, breakouts to overheating or impact. The technologist reads these traces, combines them with information about the material and machine, and then corrects the bond hardness, concentration and diamond grit size in the new segments.
- Work
- Wear diagnosis
- Bond correction
- New segments
The result: with every retipping cycle the tool is better matched to what you actually cut. It is the same logic we use for bonds developed with production plants – just built into ordinary retipping.
Two trends that go together
- Report and tool history. Every retip ends with a report: core condition, run-out, segments used. At the next cycle the technologist can see what worked and what did not.
- Closed loop and reporting. Companies that report on sustainability increasingly ask suppliers about material reuse. A reused core means less steel scrap – and the report is a ready document for that reporting.
How do you read segment wear before retipping?
Choose the symptom you see on your tool. We will show the probable cause and what is worth changing in the new segments.
- Probable cause
- Correction in the new segments
- Also check
How much does diamond tool retipping cost?
Roughly about half the price of a new tool (market benchmark). The exact price depends on:
- diameter and number of segments – the main component of the price;
- segment type and bond – a segment for reinforced concrete (impact-resistant grit) or hard granite costs more than a universal one;
- joining method – laser welding costs more than brazing;
- condition of the core – straightening, tensioning or replacing a tube add to the cost.
But the retipping price is only half the story. What counts is the tool cost per metre cut – and it falls even further if the tool cuts more metres after a bond correction. Check it with your own figures:
Diamond core bit retipping – price and lead time
A core bit is retipped in two ways: replacing only the segments when the tube is straight and has length to spare, or replacing the tube with the segments when the tube is bent, worn through or shortened. In both cases the threaded end cap is kept, so the bit still fits your core drill.
| Scope | When | Indicative cost |
|---|---|---|
| Segment replacement | Tube straight, not worn through, with length to spare | about half the price of a new core bit |
| Tube and segment replacement | Tube bent, worn through or too short; end cap and thread sound | more than segment replacement alone, less than a new core bit |
| New core bit | Damaged end cap or thread, small diameter | – |
The price of core bit retipping depends mainly on the diameter, because it determines the number of segments. The tube's working length also matters, as does whether the bit works wet (brazing) or dry (laser welding). For small diameters, up to a few dozen millimetres, retipping usually does not pay off.
Retipping lead time depends on the number of pieces and the scope of work. As standard we return tools within 1–2 working days. Express service: 24 h, surcharge agreed when the order is accepted. If you need your core bits without interruption, send them in two batches – half working, half being retipped.
What are the benefits and limitations of retipping?
Benefits
- Lower tool cost – you pay for segments and labour, not for a new core.
- A known core – proven in your machine, no running-in of a new tool.
- Better match – with a bond correction the segments suit the material better than catalogue ones.
- Less waste – the steel core goes back to work instead of to the scrapyard.
- Documentation – a run-out and segment joint report for every piece.
Limitations
- A cracked core cannot be retipped – it is a safety matter.
- An overheated core may have lost its tension; then the blade runs out and vibrates.
- Time – the tool is out of service while it is retipped; a spare set is worth having.
- Small tools – for small diameters retipping usually does not pay off.
How do you check whether a core can be retipped?
Tick the conditions your tool meets. The technologist makes the final decision after measuring, but this 30-second test shows whether it is worth sending the tool.
How does retipping work, step by step?
- Online requestYou get an order number straight away.
- Shipping agreed with youYou send the tools to our plant.
- Core assessment and wear diagnosisStraightness, run-out, cracks, seats – and a reading of segment wear.
- Quote for approvalWith a proposed bond correction, if needed.
- RetippingNew segments from our own production, brazed or laser-welded.
- Check and reportJoint test, run-out measurement, description of the segments used.
- ReturnWithin 1–2 working days, plus transit time.
Diamond tool retipping – questions and answers
How many times can a diamond blade be retipped?
As many times as the core allows. As long as the core has no cracks, has not been overheated and can be straightened within tolerance, it can be retipped again. Every further retip is decided by an assessment of the core.
Does a retipped blade cut worse than a new one?
No, if the new segments come from the same production as segments for new tools and the joint and run-out are checked. With retipping with a bond correction, the tool can cut longer than before, because the segments are matched to its real wear.
Brazing or laser welding – which to choose?
For wet work, hard brazing is usually enough – it is faster and cheaper. For dry work and wherever the segment gets very hot, laser welding is better, because the joint withstands high temperatures.
Can tools from other manufacturers be retipped?
Yes. We retip blades, core bits and grinding tools of other brands too – as long as the core is sound and a segment can be matched to the seat.
How much does core bit retipping cost?
Replacing only the segments costs roughly half the price of a new core bit. Replacing the tube with the segments costs more, but the threaded end cap is kept. The price rises with diameter, because a larger bit has more segments – the exact amount is given in the quote.
How much does diamond tool retipping cost?
Roughly half the price of a new tool (market benchmark). The price depends on the diameter, the number and type of segments, the joining method and the condition of the core – the exact amount is given in the quote.
Is retipping more sustainable than buying a new tool?
Yes. The steel core goes back to work instead of to the scrapyard, and only the worn working part is replaced. The retipping report documents the reuse of the core, which makes circular-economy reporting easier.