--- product_id: 579827725 title: "30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator" brand: "urpizy" price: "฿15891" currency: THB in_stock: false category: "Urpizy" url: https://www.desertcart.co.th/products/579827725-30-pieces-exterior-roughness-comparison-sample-block-ra0-05-12 store_origin: TH region: Thailand --- # Compact, portable composite case 30 precision roughness samples Covers 6 key machining finishes 30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator **Brand:** urpizy **Price:** ฿15891 **Availability:** ❌ Out of Stock ## Summary > ⚙️ Elevate your surface inspection game — don’t let roughness go unnoticed! ## Quick Answers - **What is this?** 30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator by urpizy - **How much does it cost?** ฿15891 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/579827725-30-pieces-exterior-roughness-comparison-sample-block-ra0-05-12) ## Best For - urpizy enthusiasts ## Why This Product - Trusted urpizy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Portable Design:** Slim 6x3 inch wallet-style case fits easily in your toolkit or lab coat pocket - • **Quick & Reliable Inspection:** Instant tactile and visual comparison without complex instruments - • **Industry Standard Compliance:** Meets SAE specs ensuring trusted, professional-grade surface finish evaluation - • **Precision at Your Fingertips:** 30 calibrated samples from Ra0.05 to 12.5mm for exact surface roughness comparison - • **All-in-One Machining Reference:** Includes turning, milling, grinding, and polishing textures for comprehensive inspection ## Overview This 30-piece exterior roughness comparator set offers calibrated samples representing six essential machining finishes, enabling quick, tactile, and visual surface smoothness checks. Packaged in a compact composite case, it complies with SAE standards and is ideal for professionals seeking precise, portable roughness evaluation tools. ## Description Specifications:The exterior roughness comparator is used to check the smoothness of mechanical workpieces by comparison, while the visual inspection or microscope is used to compare and test the degree of exterior roughness.features:RUG-100: notebook sample block (turning, end milling, flat milling, exterior grinding, external grinding, polishing)The notebook sample block contains standards for the six most important processing methods among the popular "AA" values. All 30 samples were calibrated with uAA (arithmetic mean) and metric equivalent um Ra.Sample exterior roughness comparator 30 pieces of composite bag fixing gauges3 Flat grinding: 2,4,8; 7/8 "x 3/8" each; Each type of exterior finish is a true and consistent reproduction, with a true idea of the feel, appearance and texture of machined partsCompare conveniently and quickly; Comply with S.A.E and specificationsOverall wallet size (fully enclosed) L x W x H (inches): 6 x 3 x 3/8 * estimated *; Unit weight: 14 ounces * estimate only*The package includes:A set of 30 sample pieces ## Features - The exterior roughness comparator is used to check the smoothness of mechanical workpieces by comparison, while the visual inspection or microscope is used to compare and test the degree of exterior roughness. - RUG-100: notebook sample block (turning, end milling, flat milling, exterior grinding, external grinding, polishing) - Sample exterior roughness comparator 30 pieces of composite bag fixing gauges. - 3 Flat grinding: 2,4,8; 7/8 "x 3/8" each; Each type of exterior finish is a true and consistent reproduction, with a true idea of the feel, appearance and texture of machined parts. - Compare conveniently and quickly; Comply with S.A.E and specifications. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CKMT55RN | | Best Sellers Rank | 298,895 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 574 in Surface & Hardness Testing | | Brand | URPIZY | | Colour | As Picture Show | | Date First Available | 7 Oct. 2023 | | Item Weight | 377 g | | Model Number | 2371432047 | | Product Dimensions | 16 x 8 x 1 cm; 377 g | ## Images ![30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator - Image 1](https://m.media-amazon.com/images/I/81BOZwC0zhL.jpg) ![30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator - Image 2](https://m.media-amazon.com/images/I/81ME6NCjxoL.jpg) ![30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator - Image 3](https://m.media-amazon.com/images/I/81VnbxTAYFL.jpg) ![30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator - Image 4](https://m.media-amazon.com/images/I/71eF2C+SEkL.jpg) ![30 pieces Exterior Roughness Comparison Sample Block Ra0.05-12.5mm Roughness Sample Block Exterior Roughness Stand Comparator - Image 5](https://m.media-amazon.com/images/I/81MwGpRwrbL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/579827725-30-pieces-exterior-roughness-comparison-sample-block-ra0-05-12](https://www.desertcart.co.th/products/579827725-30-pieces-exterior-roughness-comparison-sample-block-ra0-05-12) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-29*