{"id":19722,"date":"2025-12-10T10:51:02","date_gmt":"2025-12-10T09:51:02","guid":{"rendered":"https:\/\/www.darda.de\/?page_id=19722"},"modified":"2026-05-16T12:48:03","modified_gmt":"2026-05-16T10:48:03","slug":"shear-bolt","status":"publish","type":"page","link":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt","title":{"rendered":"Shear bolt"},"content":{"rendered":"<div class=\"wissen-inhaltsbereich\">\n<p>The shear bolt is an inconspicuous yet central component in demolition and extraction technology. As a mechanical safety component, it protects power units and attachments from overload by failing at a defined shear load, thus acting as a <em>predetermined breaking point<\/em>. Especially under harsh operating conditions &#8211; such as in concrete demolition, <a href=\"https:\/\/www.darda.de\/en\/applications\/rock-demolition-and-tunnel-construction\">rock demolition and tunnel construction<\/a>, or natural stone extraction &#8211; the shear bolt prevents consequential damage to expensive assemblies. In applications with concrete demolition shears and stone and concrete <a href=\"https:\/\/www.darda.de\/en\/product-overview\/hydraulic-rock-and-concrete-splitters\">splitters<\/a>, it often provides an additional safety layer alongside hydraulic pressure limiting, ensuring planned downtimes instead of uncontrolled failures.<\/p>\n<ul>\n<li><strong>Primary benefit:<\/strong> protects high-value components by setting a reproducible mechanical limit for overload events.<\/li>\n<li><strong>Operational reliability:<\/strong> acts passively and immediately without sensors or software, supporting predictable maintenance windows.<\/li>\n<li><strong>Cost efficiency:<\/strong> single-use, low-cost element that shortens troubleshooting and return-to-service after activation.<\/li>\n<\/ul>\n<h2>Definition: What is meant by a shear bolt?<\/h2>\n<p>A shear bolt is a pin, bolt, or special screw deliberately designed to break when a specific shear force is exceeded. This function as a <strong>mechanical overload protection<\/strong> prevents damage to shafts, couplings, levers, linkages, or housings. Unlike fatigue-resistant fasteners, the shear bolt is intentionally sized weaker and is inexpensive to replace, setting defined limits for torque, axial, or transverse loads. In practice, cylindrical dowel pins, locating pins, shear bolts, or shear screws are used; they operate in single or double shear depending on the support and component stack-up. In technical usage, the terms shear bolt, shear pin, or break bolt are often used synonymously, all describing a <em>single-use, defined-failure element<\/em> that works without adjustment mechanisms.<\/p>\n<h2>Function and use in demolition technology<\/h2>\n<p>In demolition and extraction practice, the shear bolt protects machines, attachments, and <a href=\"https:\/\/www.darda.de\/en\/product-overview\/hydraulic-power-units\">hydraulic power units<\/a> from load spikes caused by blockages, operator error, material inhomogeneities, or impact loads. It operates purely mechanically and responds immediately, even when sensors or hydraulic valves do not react quickly enough. The combination of hydraulic pressure limiting and a shear bolt has proven effective in creating redundancy and lowering the risk of costly structural or gearbox damage.<\/p>\n<ul>\n<li><strong>Typical triggers:<\/strong> wedged components, asymmetric load introduction, trapped reinforcement, or sudden stress redistributions.<\/li>\n<li><strong>Effect chain:<\/strong> defined fracture in the bolt interrupts the torque or force path before critical parts deform plastically.<\/li>\n<li><strong>Planned response:<\/strong> breakage is clean and localized, enabling swift clearance of remnants and targeted replacement.<\/li>\n<\/ul>\n<h3>Shear bolt in concrete demolition shears<\/h3>\n<p>In concrete demolition shears, load spikes are caused, for example, by reinforcement layers, embedded components, or skewed component geometries. Shear bolts are typically found in kinematic chains, bolted joints, or couplings to protect lever arms, bearing locations, and cylinder connections from overload. In addition to pressure limiting in the hydraulic system, the shear bolt limits the mechanical ultimate load of the shear &#8211; if it breaks in a controlled manner, cylinders, bearing blocks, and jaws remain protected. Clear access to the shear bolt position and standardized retaining elements shorten replacement time on site.<\/p>\n<h3>Shear bolt in stone and concrete splitters<\/h3>\n<p>When splitting concrete or rock in a controlled manner, high local stresses act on wedges, spreading elements, and cylinder supports. A shear bolt can serve as a predetermined breaking point in the force transmission (e.g., between the cylinder and the wedge pack). This concept protects the load paths when the splitting process is unexpectedly impeded by cracks, inclusions, or edge hang-ups. Correctly dimensioned, it preserves alignment of wedge packs and prevents secondary bending in the cylinder mount.<\/p>\n<h3>Use in other product groups<\/h3>\n<p>Combination shears, steel shears, tank cutters, and multi cutters may also incorporate shear bolts, for example in drive or joint connections, to compensate for shock-like torque peaks. In hydraulic power units, shear bolts are found on couplings between the drive and the pump, preventing a seizing driven component from damaging the entire drivetrain. Where used in couplings, a defined shear plane avoids transmission of overload into shafts and gear stages.<\/p>\n<h2>Design, materials, and manufacturing<\/h2>\n<p>The configuration of a shear bolt follows a clear target metric: the defined break torque or break force. Geometry, material, and surface condition are selected so that shear stress governs over tensile and bending stresses and the fracture occurs cleanly and predictably. For reproducibility, manufacturers typically verify batch-to-batch consistency via break-load tests and apply clear part identification for maintenance logistics.<\/p>\n<h3>Geometry and fit<\/h3>\n<ul>\n<li>Cylindrical pin shape with constant diameter for reproducible shear planes.<\/li>\n<li>Single or double shear depending on support; double shear increases the allowable limit load.<\/li>\n<li>Fit matched to the bore (clearance or transition fit) to minimize notch effects and unintended bending moments.<\/li>\n<li>Targeted neck-downs where appropriate for clearly defined fracture locations.<\/li>\n<li>Avoid threads in the shear plane; if unavoidable, ensure that the reduced area and stress concentration are accounted for.<\/li>\n<\/ul>\n<h3>Materials and heat treatment<\/h3>\n<ul>\n<li>Quenched-and-tempered steels for reproducible shear strength and controlled fracture behavior.<\/li>\n<li>Stainless steels for corrosive environments (e.g., concrete slurry, salt-laden air in tunnel construction).<\/li>\n<li>Surfaces free of sharp notches; chamfered edges and suitable roughness to avoid crack initiation sites.<\/li>\n<li>Non-sparking copper alloys for zones with ignition risk where required by the application profile.<\/li>\n<\/ul>\n<h3>Corrosion and wear protection<\/h3>\n<p>Corrosion can reduce the effective cross-sectional area and unintentionally lower the fracture level. An appropriate material selection, corrosion protection (e.g., coated surfaces), and regular inspection are essential, particularly for equipment frequently exposed to water, sludge, and fine dust. Attention to galvanic couples between bolt and bushing, plus light lubrication to mitigate fretting in oscillating joints, improves service life stability.<\/p>\n<h2>Design and calculation<\/h2>\n<p>Sizing is based on the force to be limited or the maximum permissible torque. Key influencing factors include the shear area (diameter, number of shear planes), the material\u2019s shear strength, the static or dynamic load profile, and the temperature and environmental conditions. A safety factor is chosen so that the shear bolt reliably fails before costly components, while avoiding nuisance trips under normal loads.<\/p>\n<ul>\n<li>Define the protected component and its allowable load, then derive the target break force or break torque.<\/li>\n<li>Select single vs. double shear support and estimate the required diameter from the target shear stress.<\/li>\n<li>Check bending sensitivity due to tolerances and eccentricity; adjust fit or add bushings as needed.<\/li>\n<li>Account for temperature and corrosion allowances; verify with sample break tests across expected conditions.<\/li>\n<li>Document the specification with clear tolerances, material condition, and installation instructions.<\/li>\n<\/ul>\n<h3>Interaction with hydraulic systems<\/h3>\n<p>For hydraulically actuated tools &#8211; such as concrete demolition shears or stone and concrete splitters &#8211; the shear bolt\u2019s fracture load must be coordinated with the set system pressure and the effective piston area. Pressure spikes due to impacts (e.g., from jamming) can far exceed static pressure; therefore, the combination of a pressure relief valve and a mechanical shear bolt is a robust solution for shock loads. Consider accumulator settings, hose elasticity, and valve response times when correlating hydraulic transients with mechanical break levels.<\/p>\n<h3>Influence of support<\/h3>\n<p>Eccentric loads or clearance in the bore introduce bending moments in the pin, altering the fracture behavior. The most centralized force introduction possible and suitable bushings or sleeves improve the reproducibility of actuation. Hardened, replaceable bushings protect the host components and stabilize the shear plane geometry over the tool\u2019s lifetime.<\/p>\n<h2>Installation, replacement, and maintenance<\/h2>\n<p>The greatest benefit of a shear bolt lies in its quick, safe replacement. A clearly defined procedure increases availability and prevents secondary damage.<\/p>\n<ul>\n<li>Identification: Document type, dimensions, material designation, and fracture load unambiguously.<\/li>\n<li>Depressurize: De-energize the tool, set down the load, secure energy accumulators.<\/li>\n<li>Removal: Fully remove fracture remnants, clean the bore, and check for spalling, burrs, or out-of-roundness.<\/li>\n<li>Inspection: Check attachments (bushings, lugs, levers) for cracks, plastic deformation, and wear marks.<\/li>\n<li>Installation: Insert the bolt without stress, ensure correct alignment, and properly install retaining elements (e.g., cotter pin).<\/li>\n<li>Documentation: Record installation time and part batch to analyze service life.<\/li>\n<li>Good practice: do not upsize or substitute higher-strength grades, and avoid preloads that alter the intended shear response if a shear screw uses a clamp feature.<\/li>\n<\/ul>\n<h2>Typical failure patterns and diagnosis<\/h2>\n<ul>\n<li>Inclined fracture: Indicates bending due to clearance or eccentricity.<\/li>\n<li>Ragged fracture surface: Possible crack initiation and growth due to vibration or corrosion.<\/li>\n<li>Premature fracture: Fracture load too low, wrong material, section loss due to corrosion, or pressure spikes outside design.<\/li>\n<li>No fracture despite overload: Shear area too large, material too high-strength, unintended load bypass.<\/li>\n<li>Flat, bright fracture with little plastic deformation: brittle behavior possibly due to low temperature or excessive hardness.<\/li>\n<li>Shear lips with smear marks: rotation or fretting after first crack, suggesting misalignment or oversized clearance.<\/li>\n<\/ul>\n<h2>Safety and legal aspects<\/h2>\n<p>As a safety component, the shear bolt is part of a machine\u2019s overall safety concept. Adhering to the intended specification, using suitable spare parts, and proper installation are essential. Information on inspection intervals and operating limits should always be understood as general guidance; it does not replace manufacturer-specific instructions or legal requirements. Modifications to protective devices may only be undertaken after careful evaluation and within applicable regulations. A documented risk assessment and lockout procedures for replacement are integral to safe operation.<\/p>\n<h2>Practical relevance in application areas<\/h2>\n<h3>Concrete demolition and special deconstruction<\/h3>\n<p>During selective deconstruction, unpredictable load jumps occur when components are removed unevenly or reinforcement tears. Shear bolts reduce the risk of damage to pin bearings or jaws on concrete demolition shears. Consistent shear-bolt specifications across a fleet simplify logistics for fast on-site recovery.<\/p>\n<h3>Strip-out and cutting<\/h3>\n<p>When cutting profiles, tanks, and pipelines, edge hang-ups and springback can cause blockages. Shear bolts protect the kinematics of combination shears, steel shears, multi cutters, and tank cutters from torque spikes. This containment of peak loads supports dimensional accuracy of subsequent cuts.<\/p>\n<h3>Rock demolition and tunnel construction<\/h3>\n<p>In rock, wedges can jam or stresses can redistribute abruptly. In stone and concrete splitters, the shear bolt acts as a defined mechanical safety valve to preserve cylinder connections and wedge packs. In constrained tunnel environments, a predictable mechanical release is particularly advantageous for operational safety.<\/p>\n<h3>Natural stone extraction<\/h3>\n<p>When separating natural stone slabs, controlled load limiting is important to protect the workpiece, tool, and equipment. A correctly designed shear bolt enables reproducible interventions without compromising process quality. Matching the break load to stone characteristics improves yield and reduces rework.<\/p>\n<h3>Special applications<\/h3>\n<p>For special tasks with atypical materials or temperature ranges, the shear bolt provides simple, reliable, and passive protection &#8211; independent of sensors or controls. Where thermal gradients are high, verifying break load across the temperature window avoids false trips.<\/p>\n<h2>Distinction from alternative protection concepts<\/h2>\n<ul>\n<li>Hydraulic pressure limiting: Protects the hydraulic circuit but may not always respond sufficiently to very rapid shock loads.<\/li>\n<li>Slip clutches\/torque limiters: Effective continuously and repeatedly, but more complex and maintenance-intensive.<\/li>\n<li>Electronic monitoring: Detects trends (e.g., pressure, displacement, force) but does not replace a mechanical predetermined breaking point.<\/li>\n<\/ul>\n<p>In practice, these measures complement each other. A <em>robust overall concept<\/em> combines hydraulic, mechanical, and organizational protection layers, validated by field data and periodic reviews.<\/p>\n<h2>Service life, spare parts inventory, and operating costs<\/h2>\n<p>The cost of a shear bolt is low compared to damage to cylinders, jaws, or housings. A sensible spare parts inventory includes graded fracture loads for different use cases, corrosion-resistant variants for wet environments, and documented installation instructions. By evaluating replacement history, both design and operating practices can be optimized.<\/p>\n<ul>\n<li>Stock kits with labeled diameters and break loads, including retaining elements and installation notes.<\/li>\n<li>Apply simple visual coding (e.g., color rings or stamped IDs) to avoid mix-ups during field service.<\/li>\n<li>Periodically reconcile consumption with operating logs to identify misuse or changed load cases.<\/li>\n<\/ul>\n<h2>Relevance for the Darda GmbH product world<\/h2>\n<p>In the Darda GmbH product world, the shear bolt primarily serves as a protective mechanism where high forces are transmitted via levers and joints: in concrete demolition shears for controlled fragmentation and in splitting with stone and concrete splitters. Additionally, shear bolts can be used in drive connections of <a href=\"https:\/\/www.darda.de\/en\/product-overview\/hydraulic-power-units\">hydraulic power units<\/a> as well as in combination shears, steel shears, multi cutters, and tank cutters to safeguard critical components against shock overloads. This assignment serves for technical classification and does not replace product- or series-specific details.<\/p>\n<h2>Planning and training<\/h2>\n<p>Proper operator training reduces misuse that leads to unnecessary activations. In deployment planning, choosing the correct fracture load &#8211; tailored to concrete strength, reinforcement ratio, rock characteristics, and tool geometry &#8211; helps balance protection and availability. Clear labeling of bolts and standardized replacement procedures shorten downtimes.<\/p>\n<ul>\n<li>Define application envelopes and set break levels accordingly; review after initial jobs.<\/li>\n<li>Standardize tooling and spare parts across teams to lower error rates.<\/li>\n<li>Train on recognizing early signs of misalignment or jamming to prevent avoidable trips.<\/li>\n<\/ul>\n<h2>Quality assurance and documentation<\/h2>\n<p>For reproducible behavior, batch traceability, dimensional inspections, and visual inspections of fracture surfaces are helpful. Deviations &#8211; such as unusual fracture appearances or widely fluctuating service lives &#8211; should be documented and investigated for causes such as corrosion, geometric deviations, or changed process forces. Retaining representative fracture samples and correlating them with operating parameters enables targeted continuous improvement.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The shear bolt is an inconspicuous yet central component in demolition and extraction technology. As a mechanical safety component, it protects power units and attachments from overload by failing at a defined shear load, thus acting as a predetermined breaking point. Especially under harsh operating conditions &#8211; such as in <a class=\"moretag\" href=\"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt\">read more&#8230;<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"parent":14846,"menu_order":0,"comment_status":"open","ping_status":"open","template":"tmpl\/template-wissen.php","meta":{"_acf_changed":false,"footnotes":"","_members_access_role":[],"_members_access_error":""},"class_list":["post-19722","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shear Bolt - Demolition Tools Overload Protection<\/title>\n<meta name=\"description\" content=\"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock &amp; concrete tools.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shear Bolt - Demolition Tools Overload Protection\" \/>\n<meta property=\"og:description\" content=\"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock &amp; concrete tools.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt\" \/>\n<meta property=\"og:site_name\" content=\"Darda GmbH\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DardaDemolition\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-16T10:48:03+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"11 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\\\/shear-bolt\",\"url\":\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\\\/shear-bolt\",\"name\":\"Shear Bolt - Demolition Tools Overload Protection\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#website\"},\"datePublished\":\"2025-12-10T09:51:02+00:00\",\"dateModified\":\"2026-05-16T10:48:03+00:00\",\"description\":\"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock & concrete tools.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\\\/shear-bolt#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\\\/shear-bolt\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\\\/shear-bolt#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.darda.de\\\/en\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Knowledge\",\"item\":\"https:\\\/\\\/www.darda.de\\\/en\\\/knowledge\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Shear bolt\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#website\",\"url\":\"https:\\\/\\\/www.darda.de\\\/en\",\"name\":\"Darda GmbH\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#organization\"},\"alternateName\":\"Abbruchwerkzeuge\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.darda.de\\\/en?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#organization\",\"name\":\"Darda GmbH\",\"url\":\"https:\\\/\\\/www.darda.de\\\/en\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.darda.de\\\/wp-content\\\/uploads\\\/2017\\\/09\\\/android-icon-192x192-1.png\",\"contentUrl\":\"https:\\\/\\\/www.darda.de\\\/wp-content\\\/uploads\\\/2017\\\/09\\\/android-icon-192x192-1.png\",\"width\":192,\"height\":192,\"caption\":\"Darda GmbH\"},\"image\":{\"@id\":\"https:\\\/\\\/www.darda.de\\\/en#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/DardaDemolition\",\"https:\\\/\\\/www.instagram.com\\\/darda_demolition\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/DardaGmbH\",\"https:\\\/\\\/www.xing.com\\\/pages\\\/darda-gmbh\",\"https:\\\/\\\/de.linkedin.com\\\/company\\\/darda-gmbh\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Shear Bolt - Demolition Tools Overload Protection","description":"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock & concrete tools.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt","og_locale":"en_US","og_type":"article","og_title":"Shear Bolt - Demolition Tools Overload Protection","og_description":"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock & concrete tools.","og_url":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt","og_site_name":"Darda GmbH","article_publisher":"https:\/\/www.facebook.com\/DardaDemolition","article_modified_time":"2026-05-16T10:48:03+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"11 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt","url":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt","name":"Shear Bolt - Demolition Tools Overload Protection","isPartOf":{"@id":"https:\/\/www.darda.de\/en#website"},"datePublished":"2025-12-10T09:51:02+00:00","dateModified":"2026-05-16T10:48:03+00:00","description":"Learn how the shear bolt fastener provides mechanical overload protection \u2713 for demolition, rock & concrete tools.","breadcrumb":{"@id":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.darda.de\/en\/knowledge\/shear-bolt"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.darda.de\/en\/knowledge\/shear-bolt#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.darda.de\/en"},{"@type":"ListItem","position":2,"name":"Knowledge","item":"https:\/\/www.darda.de\/en\/knowledge"},{"@type":"ListItem","position":3,"name":"Shear bolt"}]},{"@type":"WebSite","@id":"https:\/\/www.darda.de\/en#website","url":"https:\/\/www.darda.de\/en","name":"Darda GmbH","description":"","publisher":{"@id":"https:\/\/www.darda.de\/en#organization"},"alternateName":"Abbruchwerkzeuge","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.darda.de\/en?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.darda.de\/en#organization","name":"Darda GmbH","url":"https:\/\/www.darda.de\/en","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.darda.de\/en#\/schema\/logo\/image\/","url":"https:\/\/www.darda.de\/wp-content\/uploads\/2017\/09\/android-icon-192x192-1.png","contentUrl":"https:\/\/www.darda.de\/wp-content\/uploads\/2017\/09\/android-icon-192x192-1.png","width":192,"height":192,"caption":"Darda GmbH"},"image":{"@id":"https:\/\/www.darda.de\/en#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/DardaDemolition","https:\/\/www.instagram.com\/darda_demolition","https:\/\/www.youtube.com\/user\/DardaGmbH","https:\/\/www.xing.com\/pages\/darda-gmbh","https:\/\/de.linkedin.com\/company\/darda-gmbh"]}]}},"_links":{"self":[{"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/pages\/19722","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/comments?post=19722"}],"version-history":[{"count":2,"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/pages\/19722\/revisions"}],"predecessor-version":[{"id":27477,"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/pages\/19722\/revisions\/27477"}],"up":[{"embeddable":true,"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/pages\/14846"}],"wp:attachment":[{"href":"https:\/\/www.darda.de\/en\/wp-json\/wp\/v2\/media?parent=19722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}