{"product_id":"airtac-lsh20r-lsh20rlx-20mm-high-assembly-linear-guide-rail-compatible-with-hgr20-custom-lengths-up-to-4-meters","title":"AirTAC LSH20R \/ LSH20RLX 20mm High Assembly Linear Guide Rail | Compatible with HGR20 | Custom Lengths up to 4 Meters","description":"\u003ch3 data-path-to-node=\"3\"\u003e1. Executive Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe \u003cb\u003eAirTAC LSH20RLX\u003c\/b\u003e is the \u003cb\u003e20mm specification standard linear guide rail body\u003c\/b\u003e (excluding the bearing block) within the LSH High Assembly Series.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eIt serves as the foundational track for building precise linear motion systems. The LSH20 rail achieves an excellent balance between volume and rigidity, meeting the requirements of compact spaces in electronic and semiconductor equipment while providing sufficient load capacity to support small robotic arms or gantry structures. Constructed from high-quality bearing steel and treated with high-frequency quenching, it achieves top-tier industrial standards for wear resistance and straightness.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"6\"\u003e2. Model Code Decoding\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb\u003eHow to interpret LSH20RLX:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb\u003eLSH:\u003c\/b\u003e \u003cb\u003eSeries Name\u003c\/b\u003e — High Assembly Standard Type Linear Guide.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb\u003e20:\u003c\/b\u003e \u003cb\u003eSpecification Size\u003c\/b\u003e — Nominal width of \u003cb\u003e20mm\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb\u003eR:\u003c\/b\u003e \u003cb\u003eComponent Type\u003c\/b\u003e — \u003cb\u003eRail\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,1,0,0\"\u003eThis indicates the separately sold track section, suitable for replacing old rails, or for custom assembly with a chosen number of blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb\u003eLX:\u003c\/b\u003e \u003cb\u003eCustom Length (Length Variable)\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,1,0,0\"\u003e\u003cb\u003eL\u003c\/b\u003e represents \u003cb\u003eLength\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,1,1,0\"\u003e\u003cb\u003eX\u003c\/b\u003e represents the \u003cb\u003evariable\u003c\/b\u003e. In actual purchasing, this will be a specific length in millimeters (e.g., LSH20R-1000L). This means you can purchase any length up to 4 meters, and the factory can perform precision cutting according to drawings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e3. Technical Specifications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003ci\u003e(Essential Data for Mechanical Design and Drilling)\u003c\/i\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cb\u003eRail Width (W1)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003e\u003cb\u003e20 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,2,0\"\u003eStandard specification size.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cb\u003eRail Height (H1)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003e\u003cb\u003e17.5 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,2,0\"\u003eThis is the height of the rail ONLY. The total height with a compatible block is typically 30mm.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cb\u003eMounting Hole Pitch (P)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003e\u003cb\u003e60 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,2,0\"\u003eThe distance between adjacent fixed holes on the rail.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cb\u003eMounting Hole Size\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003e\u003cb\u003e9.5 x 8.5 mm\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,2,0\"\u003eCountersunk hole dimensions.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003e\u003cb\u003eCompatible Bolt\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003e\u003cb\u003eM5 Hex Socket Cap Screw\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,2,0\"\u003eUse M5 screws for fixation (Note: 25mm specs use M6, 20mm specs use M5).\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003eHigh-Carbon Chromium Bearing Steel (GCr15)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,2,0\"\u003eEnsures high hardness and wear resistance.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,0,0\"\u003e\u003cb\u003eHardness\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0\"\u003eHRC 58-62 (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,2,0\"\u003eAchieved through high-frequency quenching.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"12\"\u003e4. Key Benefits\u003c\/h3\u003e\n\u003cp\u003eA. Perfect Dimensional Balance (Compact \u0026amp; Rigid)\u003c\/p\u003e\n\u003cp\u003eThe 20mm rail is the preferred choice for many desktop and light industrial equipment applications. Compared to the 15mm rail (which primarily uses M4 screws), the 20mm rail offers significantly stronger screw locking force and higher torsional rigidity while occupying only slightly more installation space.\u003c\/p\u003e\n\u003cp\u003eB. International Standard Interchangeability\u003c\/p\u003e\n\u003cp\u003eThe LSH20R rail maintains interchangeability with the rail mounting patterns of mainstream brands, such as HIWIN HGR20 and THK HSR20 (Note: Blocks and rails are generally recommended to be used from the same brand, but this mounting universality is crucial for equipment upgrades).\u003c\/p\u003e\n\u003cp\u003eC. High-Precision Grinding Process\u003c\/p\u003e\n\u003cp\u003eThe V-shaped grooves (45-degree contact angle) on the rail surface undergo precise profile grinding. This results in extremely low surface roughness, ensuring quiet operation and exceptional smoothness of the block, thus reducing friction heat and wear.\u003c\/p\u003e\n\u003cp\u003eD. Flexible Customization and Jointing\u003c\/p\u003e\n\u003cp\u003eSupports customized lengths (LX) according to customer requirements. For ultra-long travel applications exceeding 4 meters, AirTAC offers precision jointing services to ensure a smooth transition where two rails connect, allowing the block to pass without jarring or stoppage.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"17\"\u003e5. Recommended Applications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe LSH20R rail is widely used in:\u003c\/p\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cb\u003e3D Printers (Industrial Grade):\u003c\/b\u003e Z-axis lift or gantry beams in CoreXY structures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cb\u003eElectronic Assembly Equipment:\u003c\/b\u003e X\/Y axes in Pick-and-Place machines and dispensing machines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cb\u003eSmall Laser Engraving Machines:\u003c\/b\u003e Guide rails for light path movement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003e\u003cb\u003eMedical Equipment:\u003c\/b\u003e Sample movement axes in automatic biochemical analyzers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,4,0\"\u003e\u003cb\u003eAutomatic Door\/Sliding Door Mechanisms:\u003c\/b\u003e Straight-line movement mechanisms for medium-sized door panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"20\"\u003e6. Compatible Bearing Block Recommendation\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003eThis guide rail \u003cb\u003emust\u003c\/b\u003e be used with AirTAC LSH20 Series blocks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"22\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,0,0\"\u003e\u003cb\u003eLSH20BK:\u003c\/b\u003e Square Block (Narrow body, 44mm, most versatile).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"22,1,0\"\u003e\u003cb\u003eLSH20F1N:\u003c\/b\u003e Flange Block (Wide body, 63mm, top-locking type).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cb\u003e\u003ci\u003eNote:\u003c\/i\u003e\u003c\/b\u003e \u003ci\u003eDo not mix with LSH15 or LSH25 blocks, and mixing with blocks from different brands is generally not recommended.\u003c\/i\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"24\"\u003e7. Ordering and Installation Tips\u003c\/h3\u003e\n\u003cul data-path-to-node=\"25\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,0,0\"\u003e\u003cb\u003eEnd Distance (E-value) Specification:\u003c\/b\u003e The distance from the first hole to the end face of the rail is called the E-value. If you are installing multiple rails in parallel, it is recommended to specify the same E-value to ensure hole alignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,1,0\"\u003e\u003cb\u003eScrew Specification:\u003c\/b\u003e Always prepare high-strength \u003cb\u003eM5\u003c\/b\u003e hex socket screws (12.9 grade recommended). The length usually depends on the thickness of the mounting base plate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"25,2,0\"\u003e\u003cb\u003eDust Caps:\u003c\/b\u003e Green plastic hole caps are usually included with the rail purchase. Be sure to install them after tightening the screws to prevent dust accumulation in the screw holes, which could affect block operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AirTAC","offers":[{"title":"Default Title","offer_id":51736463147289,"sku":null,"price":24.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2225\/0265\/files\/WX20251125-221049_2x_61225840-8cbe-43b3-a87c-83cc7c46ed3d.png?v=1764079984","url":"https:\/\/airtac-shop.com\/products\/airtac-lsh20r-lsh20rlx-20mm-high-assembly-linear-guide-rail-compatible-with-hgr20-custom-lengths-up-to-4-meters","provider":"AirTAC Shop","version":"1.0","type":"link"}