TCT vs PCD saw blades: which one for your material?
When tungsten carbide (TCT) pays off, when diamond (PCD) is the only option, and how to compare them on cost per cut instead of unit price.
Updated 2026-11-02 · Jinfengli Tools (Guangdong) Co., Ltd.
The short answer
TCT blades cut wood, MDF, particle board, laminate and most plastics economically. PCD blades cost several times more but hold their edge far longer in abrasive materials — HPL, CPL, fibre cement, aluminium with high silicon content, PCB substrates and composite panels.
If the material is abrasive enough that a TCT blade needs resharpening every few shifts, PCD is usually cheaper per cut within the first year, even though the purchase price looks high.
What TCT is good at
Tungsten carbide tips brazed to a steel body give a hard, heat-resistant edge at a price that makes multi-blade setups practical: scoring saws, hoggers, rip blades and general panel sizing.
Carbide grades matter more than most buyers expect. Tier-1 European micrograin carbide holds a polished edge longer and resists micro-chipping, which is why two blades with identical geometry can behave very differently on the same machine.
Typical uses: solid wood rip and crosscut, chipboard and MDF sizing, melamine and laminate with a scoring saw, acrylic and PVC sheet, and general purpose cutting on sliding table saws.
What PCD is good at
Polycrystalline diamond is not a coating — it is a sintered diamond layer on a carbide substrate. It is far harder than tungsten carbide and resists the abrasive fillers in engineered boards, so the edge keeps its geometry for months instead of days.
PCD blades are standard in flooring production, high-pressure laminate and compact laminate cutting, PCB depanelling, aluminium extrusion with hard alloy content, and anywhere a resharpening stop costs more than the blade.
The trade-off: PCD dislikes impact. Interrupted cuts, nails and vibration can chip the diamond layer, and a chipped PCD tip usually cannot be rescued by resharpening.
How to compare them properly
Compare cost per linear metre or per panel, not unit price. Track three numbers per blade: purchase price, metres cut between sharpening, and the cost of the sharpening stop (labour, downtime, scrap on restart).
A practical rule used in panel plants: if a blade is resharpened more than once a month, price the PCD version. If it lasts a quarter on TCT, stay with TCT.
What to send with an enquiry
Material and thickness, machine model and spindle speed, required diameter and bore, current tooth count and geometry, and the finish the next process needs (visible edge, veneered edge, painted edge). With those five items a manufacturer can propose the right grade instead of guessing.
Jinfengli Tools manufactures both TCT and PCD ranges to DIN 54 and DIN 8033 dimensions; every quotation confirms diameter, kerf, bore, tooth count and tooth geometry before production.
Categories this guide covers
- Saw Blades for the Board Industry — Chipboard, MDF and HDF, HPL
- Saw Blades for Solid Wood — Across the grain, along the grain, scoring saws
- Saw Blades for the Aluminium Industry — Profiles, rods and sheets
- Saw Blades for Panel Sizing Machines — Main saw and scoring saw for sizing centres
- Saw Blades for Acrylic — Polished cuts in cast and extruded acrylic