Surface Roughness Comparison Block Pro Grade VDI 12 To 45 Spark Erosion Texture Plate For EDM Mold Grain Finish Gauge 160x100mm Gray, High Precision Reference For Industrial Surface Finish Quality Control
✔️ Single block, 160x100mm, light gray with 12-45 textures
This VDI 3400 surface roughness reference block is used in quality control labs and manufacturing floors to compare EDM spark erosion textures and mold grain finishes. It provides a standardized benchmark for evaluating surface finish consistency across processes.
✅ 160x100 mm block size for easy handling
✅ VDI 3400 texture range from RA 12 to RA 45, with notes on RA, RT, and draft angles
✅ Light gray or black color options for clear inspection under different lighting
✅ Durable plastic construction for lightweight use and dimensional stability
✅ Standardized measurement per VDI3400 for consistent comparisons
💡 What is a surface roughness reference block used for in manufacturing QA? This handy tool helps standardize roughness checks and ensures consistent texture comparisons across processes.
- Visually compare RA/RT values and draft angles against the VDI 3400 standard
- Calibrate measurement instruments and operator techniques for repeatability
- Benchmark EDM spark erosion and mold texture consistency across runs