Surface comparators for mechanical processes provide useful indicative comparisons.
Product Code SA6204KIT is a kit that includes 30 plates replicating key mechanical processes such as lapping, grinding, drilling, milling, and turning, offering varying roughness levels ranging from 0.05 to 12.5 μm Ra.
Product Code SA6204-EDM – Electrical Discharge Machining “EDM” surface comparators (12 areas) that comply with VDI 3400 reference standard.
(NB: Not suitable for calibrating or verifying roughness testers)
Note: Surface comparators cannot be certified.
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