30Pcs Surface Roughness Comparator, Ra 0.05-12.5 mm Carbon Steel Roughness Test Blocks for Lathe/Machining/Manufacturing Mechanical

★★★★★ 4.8 105 reviews

$90.00
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$90.00
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Free shipping Free 30-day returns

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Product details

Management number 211142638 Release Date 2026/04/04 List Price $36.00 Model Number 211142638
Category
  • Complete Roughness Reference Set:This 30-piece comparator set covers the entire Ra 0.05-12.5mm range, providing precise standards for evaluating and calibrating measuring instruments
  • Multi-Process Applications:Designed for evaluating all common machining methods, including turning, horizontal/vertical milling, and various grinding techniques, this kit is an essential tool for comprehensive surface quality assessment
  • High-Quality Construction Ensures Precision:Made from high-quality 45# carbon steel and treated with anti-corrosion protection, these comparison blocks maintain precision even after years of industrial use
  • Professional and Educational Applications: As an essential tool for manufacturing quality control, it also serves as an excellent visual aid for mechanical engineering students studying surface roughness standards
  • User-Friendly Design: Samples are clearly labeled and arranged in logical order, enabling quick and reliable comparisons—whether through visual inspection or magnification tools
Item Weight 15.2 ounces
Manufacturer Graybean
Package Dimensions 7.5 x 4.8 x 1.5 inches

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4.8 out of 5
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105 ratings | 43 reviews
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