30 Piece Specimen Comparator&Roughness Comparator (30 Pcs/Set) of Roughness Tester

==========High-concerned chemical : NoSize : Roughness Measuring Instrument Type : surface Roughometer Model Number : Surface Roughness Tester DIY Supplies : ElectricalOrigin : ChinaOutput Voltage : Surface Roughness Gauge Style : Roughness Tester : 0 yearssupport : OEM, ODM, OBM, 20place of origin : Beijing, Chinamodel number : 30pcsProduct name : ComparatorMaterial : steelmodel : 30pcs: T/T: 1pc

• Quick comparison: Rapidly determine the surface roughness grade of workpieces through visual and tactile inspection.
• Multi-process coverage: Typically includes various machining surfaces such as turning, milling, planing, grinding, and boring.
• High-precision replication: Utilizing electroforming or precision engraving techniques to accurately replicate standard roughness values.
• Wear-resistant material: Typically made of nickel or high-quality steel, it is sturdy, durable, and resistant to deformation.
• Field Practicality: No need for complex electronic equipment, suitable for use in workshops and production lines.
• Easy to operate: Simply swipe with a fingernail or touch probe to compare the sample block with the workpiece.
• Compliant with standards: Strictly manufactured in accordance with international or national standards such as ISO and GB/T.
• Rust-proof design: The surface is treated with excellent anti-rust and corrosion resistance properties.