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INFI
We’ve been supplying this type of PDC (polycrystalline diamond compact) for stone cutting, mining, and machining shops for years. It’s a diamond layer sintered onto tungsten carbide – not because the textbook says so, but because that combination actually holds up when carbide alone would wash out in half a shift.
What we actually hear from customers:
“Can you make it in a non-standard OD?”
“What’s the max diamond thickness before it gets too brittle?”
“Do you have a grade that runs hotter without delaminating?”
So here’s what we focus on: shape, size, diamond grain structure, and how the blank behaves under real loads – not just hardness numbers.
Typical projects we’ve quoted recently
Saw teeth for granite fabrication – customer switched from conventional abrasive tips to our PDC and got 3x the linear cutting before a changeout.
PDC cutters for exploration drilling in highly abrasive sandstone – they stopped pulling bits every two hours.
Inserts for machining high-silicon aluminum – no built-up edge, held ±0.005mm over a 5000-part run.
Before quotation, our engineering team typically reviews:
Your actual operating conditions (dry / flood / intermittent cut)
The carbide substrate thickness you need – we can adjust
Diamond grain size – finer for finish, coarser for aggressive removal
Edge prep requirements
We don’t push a standard “one grade fits all”. If you send a drawing or even a sketch, we can tell you whether a 1.0mm or 1.6mm diamond layer makes more sense for your cycle time.
Custom manufacturing – what we actually do
Different PDC diameters and thicknesses (no minimum order on small modifications)
Custom diamond grain distribution – not just “fine / medium / coarse” but actual micron ranges we control in sintering
Special carbide grades for impact or abrasion bias
Can you get a drawing reviewed before ordering? Yes. Many customers do. We’ll mark up the interface bond area, recommend a chamfer or no chamfer, and note where the PDC tends to fail first – then adjust.
