Pro Grade Surface Roughness Specimen Set For Precision Grinding QA 8 Piece Ra Range From 1 To 125 Microinches And Rz Range From 11 To 625 Microinches Includes Ra Rz Symbols Ideal For Checking Identification And Specifying Roughness

8-Piece Surface Roughness Specimen Set for Precision QA
✔️ Ra 1-125 μin, Rz 11.8-625 μin, 8-piece nickel specimen set

These surface roughness specimens provide eight distinct Ra and Rz references used as a quick standard for grinding QA labs and manufacturing setups. They help identify roughness symbols and ensure measurement consistency across operators.

✅ Quantity: 8 pieces
✅ Ra range: 1-125 μin
✅ Rz range: 11.8-625 μin
✅ Machining method: surface grinding
✅ Material: pure nickel
✅ Includes Ra/Rz symbols for roughness identification
✅ Accuracy: ra<4 μin: +20%/−25%; ra>4 μin: +12%/−17%
✅ ISO 2632 compliant

💡 What is a surface roughness specimen set used for in precision grinding QA? This handy tool helps verify roughness readings and labeling standards. - Handy for quick Ra and Rz reference checks on production parts - Helps staff recognize roughness symbols and document acceptable ranges - Supports ISO 2632 compliance and measurement consistency

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