"刻纹过深" can be translated as "excessively deep engraving" or "overly deep grooving" depending on the context.
If referring to artistic carving or engraving work, "excessively deep engraving" would be more appropriate.
If referring to technical processes like machining or metalworking, "overly deep grooving" might be a better fit.
Both phrases convey the idea that the depth of the engraving or grooving exceeds the desired or appropriate level.