Tell us your board type, layer count, smallest hole and current material. We reply with sample kits, TDS/MSDS and a side-by-side comparison — usually within one business day.
Your layer count, smallest hole diameter, current backup/entry material, and monthly volume. We return a matched grade + sample kit plan. The process behind it — which grades can be sampled, what to send, and what to check when the sample arrives — is set out on how to request a PCB drilling material sample.