- Machining method shot blasting.
- Ra: 128, 420, 720, 1000?in.
- Rz: 768, 2520, 4320, 6000?in.
Well designed, durable high precision tools that are suitable for various measuring ranges. INSIZE surface roughness specimens are the perfect instruments to check the roughness of steel surfaces which have been blast cleaned before painting. Easy to use and adjust surface roughness specimens.
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