{"product_id":"airtac-lsh25rlx-rail-25mm-interchangeable-high-precision-rail-60mm-hole-pitch","title":"AirTAC LSH25RLX Rail | 25mm Interchangeable High-Precision Rail 60mm Hole Pitch","description":"\u003cdiv class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" id=\"model-response-message-contentr_0239054bfd2328a8\" aria-live=\"off\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003ch2 data-path-to-node=\"2\"\u003eModel: LSH25RLX (LSH25R-Length-X)\u003c\/h2\u003e\n\u003ch3 data-path-to-node=\"3\"\u003e1. Executive Summary\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe \u003cb\u003eAirTAC LSH25RLX\u003c\/b\u003e refers to the \u003cb\u003e25mm standard linear guide rail body\u003c\/b\u003e (rail only, block not included) in the LSH series.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eIt serves as the \"foundation\" of the entire linear motion system. Manufactured from high-carbon chromium bearing steel and subjected to precision grinding and induction hardening, the rail surface hardness reaches HRC58-62, ensuring extremely high wear resistance and straightness. This rail is specifically designed to be used with \u003cb\u003eLSH25\u003c\/b\u003e and \u003cb\u003eLSD25\u003c\/b\u003e series blocks, suitable for automation equipment bases requiring long distance and high-rigidity support.\u003c\/p\u003e\n\u003chr data-path-to-node=\"6\"\u003e\n\u003ch3 data-path-to-node=\"7\"\u003e2. Model Code Decoding\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0958\/2225\/0265\/files\/WX20251128-165006_2x_af2d08ec-2ecb-4595-840a-fc009792d16a.png?v=1764319846\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003ci\u003e\u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0068\/3235\/7429\/files\/Airtac_LSH_Series_Linear_Guide.pdf?v=1689092996\" target=\"_blank\"\u003eClick to download the catalog\u003c\/a\u003e\u003c\/i\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eHow to interpret LSH25RLX:\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb\u003eLSH:\u003c\/b\u003e \u003cb\u003eSeries Name\u003c\/b\u003e — High Assembly Standard Linear Guide Series.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb\u003e25:\u003c\/b\u003e \u003cb\u003eSize Specification\u003c\/b\u003e — Nominal width 25mm.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,1,0,0\"\u003e\u003ci\u003eActual Dimensions:\u003c\/i\u003e The physical rail width is \u003cb\u003e23mm\u003c\/b\u003e, and the height is \u003cb\u003e22mm\u003c\/b\u003e (conforming to international standard 25 size specifications).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\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=\"9,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,1,0,0\"\u003eThis indicates you are ordering the rail separately, typically for old rail replacement or self-assembly with separately purchased blocks (e e.g., LSH25BK-D).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,0\"\u003e\u003cb\u003eL \/ LX:\u003c\/b\u003e \u003cb\u003eLength Definition (Length \/ Custom)\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,3,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,0,0\"\u003eIn ordering, this will be replaced by a specific numerical value (e.g., LSH25R1000). \u003cb\u003e\"LX\"\u003c\/b\u003e signifies that the rail length is customizable, allowing you to cut it to lengths ranging from 100mm to 4000mm according to the machine requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,3,1,1,0\"\u003e\u003cb\u003eX\u003c\/b\u003e may also denote special processing (such as rail jointing or special hole pitch), but in the general context, it signifies \"any specified length.\"\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"10\"\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e3. Core Technical Specifications\u003c\/h3\u003e\n\u003cp data-path-to-node=\"12\"\u003eThese are critical data points for mechanical design and drilling:\u003c\/p\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cb\u003eRail Width (\u003cspan class=\"math-inline\" data-math=\"W_1\"\u003e$W_1$\u003c\/span\u003e):\u003c\/b\u003e \u003cb\u003e23 mm\u003c\/b\u003e (Note: Nominally 25, actual width 23, which is standard industry practice).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cb\u003eRail Height (\u003cspan class=\"math-inline\" data-math=\"H_1\"\u003e$H_1$\u003c\/span\u003e):\u003c\/b\u003e \u003cb\u003e22 mm\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,0\"\u003e\u003cb\u003eMounting Hole Pitch (P):\u003c\/b\u003e \u003cb\u003e60 mm\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"13,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,2,1,0,0\"\u003e\u003ci\u003eImportant:\u003c\/i\u003e The mounting holes on the rail are spaced 60mm apart.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,3,0\"\u003e\u003cb\u003eMounting Hole Size:\u003c\/b\u003e \u003cb\u003e7 x 11 x 9 mm\u003c\/b\u003e (Counterbore Hole).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,4,0\"\u003e\u003cb\u003eCompatible Bolt:\u003c\/b\u003e Secured using \u003cb\u003eM6\u003c\/b\u003e socket head cap screws.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,5,0\"\u003e\u003cb\u003eMaterial:\u003c\/b\u003e GCr15 High-carbon chromium bearing steel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,6,0\"\u003e\u003cb\u003eHardness:\u003c\/b\u003e HRC 58~62 (Induction hardened layer).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,7,0\"\u003e\u003cb\u003eAccuracy Class:\u003c\/b\u003e Optional N (Normal), H (High), P (Precision).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e4. Key Benefits\u003c\/h3\u003e\n\u003cp\u003eA. International Standard Interchangeable Dimensions\u003c\/p\u003e\n\u003cp\u003eThe AirTAC LSH25R rail is manufactured strictly according to international industry standard dimensions.\u003c\/p\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003e\u003ci\u003eInterchangeability:\u003c\/i\u003e Although it is theoretically recommended to use matching brand components for optimal precision, the LSH25R's \u003cb\u003emounting hole pitch (60mm) and screw specification (M6)\u003c\/b\u003e are completely consistent with competitor products like \u003cb\u003eHIWIN HGH25\u003c\/b\u003e or \u003cb\u003eTHK HSR25\u003c\/b\u003e. This means you can install it directly onto existing machine frame holes without redrilling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eB. High Rigidity and Straightness\u003c\/p\u003e\n\u003cp\u003eThe rail undergoes deep hardening treatment, providing not only wear resistance but also extreme resistance to bending (high bending rigidity). In long-distance applications (e.g., over 2 meters), it maintains excellent straightness, preventing wavy motion or vibration during block operation.\u003c\/p\u003e\n\u003cp\u003eC. Flexible Custom Length (Custom Length)\u003c\/p\u003e\n\u003cp\u003eThe meaning of \"LX\" lies here. Standard rails are usually shipped in fixed 4-meter lengths but can be cut to any length required by the customer (e.g., 850mm, 1260mm). End distance (E value) can also be handled to ensure symmetry of the end mounting holes or compliance with specific drawing requirements.\u003c\/p\u003e\n\u003cp\u003eD. 45-Degree Contact Angle Optimization\u003c\/p\u003e\n\u003cp\u003eThe precisely ground grooves on both sides of the rail utilize a 45-degree angle design. This is specifically optimized to pair with the four rows of ball bearings in the LSH series blocks, enabling simultaneous bearing of radial, reverse-radial, and lateral loads.\u003c\/p\u003e\n\u003chr data-path-to-node=\"21\"\u003e\n\u003ch3 data-path-to-node=\"22\"\u003e5. Recommended Application Scenarios (Applications)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003eThe LSH25R rail serves as the \u003cb\u003e\"backbone\"\u003c\/b\u003e for the following equipment:\u003c\/p\u003e\n\u003cul data-path-to-node=\"24\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,0,0\"\u003e\u003cb\u003eHeavy-Duty Machine Tools:\u003c\/b\u003e X\/Y axis base for CNC machining centers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,1,0\"\u003e\u003cb\u003eLong-Stroke Gantry Robots:\u003c\/b\u003e Overhead transport rails exceeding 2 meters in length.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,2,0\"\u003e\u003cb\u003eLinear Module Base:\u003c\/b\u003e Guide rails mounted on aluminum profiles or steel plates.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"24,3,0\"\u003e\u003cb\u003eOld Equipment Refurbishment:\u003c\/b\u003e When the original rail surface has pitting or rust causing the block to bind, replacing only the rail (LSH25R) is an economical maintenance solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"25\"\u003e\n\u003ch3 data-path-to-node=\"26\"\u003e6. Compatible Blocks (Recommended)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"27\"\u003eThis rail must be used with the following AirTAC blocks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"28\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,0,0\"\u003e\u003cb\u003eLSH25BK:\u003c\/b\u003e Square standard block (most common).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,1,0\"\u003e\u003cb\u003eLSH25F1N:\u003c\/b\u003e Flange wide-body block (suitable for high moments).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,2,0\"\u003e\u003cb\u003eLSH25E:\u003c\/b\u003e Extended block (suitable for heavy loads).\u003c\/p\u003e\n\u003cul data-path-to-node=\"28,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"28,2,1,0,0\"\u003e\u003ci\u003e(Note: Although dimensions are similar, mixing with blocks from different brands [e.g., HIWIN] is strictly prohibited unless for emergency use and after testing, as it severely affects service life.)\u003c\/i\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"29\"\u003e\n\u003ch3 data-path-to-node=\"30\"\u003e7. Ordering \u0026amp; Installation Tips (Ordering \u0026amp; Installation Tip)\u003c\/h3\u003e\n\u003cul data-path-to-node=\"31\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"31,0,0\"\u003e\u003cb\u003eDetermine Length:\u003c\/b\u003e Please specify the exact length in millimeters (mm) when ordering. Example: LSH25R-1500L (1500mm long).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"31,1,0\"\u003e\u003cb\u003eFocus on End Distance (E value):\u003c\/b\u003e If multiple rails are to be joined or if specific mounting hole positions are required, you must specify the \"end distance.\" (E.g., 20mm space left at both ends).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"31,2,0\"\u003e\u003cb\u003eAnti-Rust Care:\u003c\/b\u003e Rails are coated with anti-rust oil upon shipment. Do not completely wipe this off with strong solvents during installation. Apply grease immediately after installation, especially where the rail has been handled, to prevent rust caused by hand perspiration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"31,3,0\"\u003e\u003cb\u003eBolt Tightening:\u003c\/b\u003e It is recommended to use a torque wrench, following the specified torque in the manual, tightening the bolts alternately from the middle of the rail towards both ends to ensure straightness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"AirTAC","offers":[{"title":"Default Title","offer_id":51721782624537,"sku":null,"price":27.99,"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-lsh25rlx-rail-25mm-interchangeable-high-precision-rail-60mm-hole-pitch","provider":"AirTAC Shop","version":"1.0","type":"link"}