Professional Bolt Torque Calculator | EngineeringTools<\/title>\n <meta name=\"description\" content=\"Free online bolt torque calculator for engineers and mechanics. Calculate proper torque values for bolts based on size, grade, and material.\">\n <style>\n :root {\n --primary-color: #003073;\n --secondary-color: #3498db;\n --accent-color: #e74c3c;\n --light-color: #ecf0f1;\n --dark-color: #007bff;\n --success-color: #27ae60;\n --warning-color: #f39c12;\n }\n \n * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n }\n \n body {\n background-color: #f5f7fa;\n color: #333;\n line-height: 1.6;\n }\n \n .container {\n max-width: 1200px;\n margin: 0 auto;\n padding: 20px;\n }\n \n header {\n background-color:#003073;\n color: #007bff;\n padding: 20px 0;\n text-align: center;\n border-radius: 8px 8px 0 0;\n margin-bottom: 30px;\n box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);\n }\n \n h1 {\n font-size: 2.2rem;\n margin-bottom: 10px;\n }\n \n .subtitle {\n font-size: 1.1rem;\n opacity: 0.9;\n }\n \n .calculator-container {\n display: flex;\n flex-wrap: wrap;\n gap: 30px;\n margin-bottom: 40px;\n }\n \n .calculator-form {\n flex: 1;\n min-width: 300px;\n background-color: white;\n padding: 25px;\n border-radius: 8px;\n box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n }\n \n .calculator-results {\n flex: 1;\n min-width: 300px;\n background-color: white;\n padding: 25px;\n border-radius: 8px;\n box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n }\n \n .form-group {\n margin-bottom: 20px;\n }\n \n label {\n display: block;\n margin-bottom: 8px;\n font-weight: 600;\n color:#007bff;\n }\n \n select, input {\n width: 100%;\n padding: 12px;\n border: 1px solid #ddd;\n border-radius: 4px;\n font-size: 16px;\n transition: border 0.3s;\n }\n \n select:focus, input:focus {\n outline: none;\n border-color: var(--secondary-color);\n box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);\n }\n \n button {\n background-color: var(--secondary-color);\n color: white;\n border: none;\n padding: 12px 20px;\n font-size: 16px;\n border-radius: 4px;\n cursor: pointer;\n width: 100%;\n font-weight: 600;\n transition: background-color 0.3s;\n }\n \n button:hover {\n background-color: #2980b9;\n }\n \n .result-card {\n background-color: var(--light-color);\n padding: 20px;\n border-radius: 6px;\n margin-bottom: 20px;\n }\n \n .result-title {\n font-size: 1.1rem;\n margin-bottom: 10px;\n color: var(--primary-color);\n font-weight: 600;\n }\n \n .result-value {\n font-size: 1.8rem;\n font-weight: 700;\n color: var(--accent-color);\n }\n \n .result-unit {\n font-size: 1rem;\n color: #7f8c8d;\n }\n \n .recommendations {\n margin-top: 20px;\n padding: 15px;\n background-color: #f8f9fa;\n border-left: 4px solid var(--warning-color);\n border-radius: 4px;\n }\n \n .recommendations h3 {\n color: var(--warning-color);\n margin-bottom: 10px;\n }\n \n .info-section {\n background-color: white;\n padding: 25px;\n border-radius: 8px;\n box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n margin-bottom: 30px;\n }\n \n .info-section h2 {\n color: var(--primary-color);\n margin-bottom: 15px;\n }\n \n .info-section p {\n margin-bottom: 15px;\n }\n \n .ad-container {\n background-color: #f8f9fa;\n padding: 20px;\n border-radius: 8px;\n text-align: center;\n margin: 30px 0;\n border: 1px dashed #ccc;\n }\n \n .ad-label {\n font-size: 0.8rem;\n color: #7f8c8d;\n margin-bottom: 10px;\n text-transform: uppercase;\n }\n \n footer {\n text-align: center;\n padding: 20px;\n background-color: var(--primary-color);\n color: white;\n border-radius: 0 0 8px 8px;\n margin-top: 30px;\n }\n \n @media (max-width: 768px) {\n .calculator-container {\n flex-direction: column;\n }\n \n h1 {\n font-size: 1.8rem;\n }\n }\n \n \/* Tooltip styles *\/\n .tooltip {\n position: relative;\n display: inline-block;\n margin-left: 5px;\n cursor: help;\n }\n \n .tooltip .tooltiptext {\n visibility: hidden;\n width: 200px;\n background-color: #555;\n color: #fff;\n text-align: center;\n border-radius: 6px;\n padding: 5px;\n position: absolute;\n z-index: 1;\n bottom: 125%;\n left: 50%;\n margin-left: -100px;\n opacity: 0;\n transition: opacity 0.3s;\n font-size: 0.9rem;\n font-weight: normal;\n }\n \n .tooltip:hover .tooltiptext {\n visibility: visible;\n opacity: 1;\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"container\">\n <header>\n <h1>Bolt Torque Calculator<\/h1>\n <p class=\"subtitle\">Precision torque calculations for engineers and mechanics<\/p>\n <\/header>\n \n <div class=\"ad-container\">\n <div class=\"ad-label\">Advertisement<\/div>\n \n <div style=\"min-height: 90px; background-color: #f0f0f0; display: flex; align-items: center; justify-content: center;\">\n <p>Your AdSense ad will appear here<\/p>\n <\/div>\n <\/div>\n \n <div class=\"calculator-container\">\n <div class=\"calculator-form\">\n <h2 style=\"color: var(--primary-color); margin-bottom: 20px;\">Torque Calculation Parameters<\/h2>\n \n <div class=\"form-group\">\n <label for=\"bolt-size\">Bolt Size (Diameter)<\/label>\n <select id=\"bolt-size\">\n <option value=\"\">Select bolt size<\/option>\n <option value=\"M3\">M3 (3mm)<\/option>\n <option value=\"M4\">M4 (4mm)<\/option>\n <option value=\"M5\">M5 (5mm)<\/option>\n <option value=\"M6\">M6 (6mm)<\/option>\n <option value=\"M8\">M8 (8mm)<\/option>\n <option value=\"M10\">M10 (10mm)<\/option>\n <option value=\"M12\">M12 (12mm)<\/option>\n <option value=\"M14\">M14 (14mm)<\/option>\n <option value=\"M16\">M16 (16mm)<\/option>\n <option value=\"M18\">M18 (18mm)<\/option>\n <option value=\"M20\">M20 (20mm)<\/option>\n <option value=\"M22\">M22 (22mm)<\/option>\n <option value=\"M24\">M24 (24mm)<\/option>\n <option value=\"M27\">M27 (27mm)<\/option>\n <option value=\"M30\">M30 (30mm)<\/option>\n <option value=\"1\/4\">1\/4″<\/option>\n <option value=\"5\/16\">5\/16″<\/option>\n <option value=\"3\/8\">3\/8″<\/option>\n <option value=\"7\/16\">7\/16″<\/option>\n <option value=\"1\/2\">1\/2″<\/option>\n <option value=\"9\/16\">9\/16″<\/option>\n <option value=\"5\/8\">5\/8″<\/option>\n <option value=\"3\/4\">3\/4″<\/option>\n <option value=\"7\/8\">7\/8″<\/option>\n <option value=\"1\">1″<\/option>\n <\/select>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"thread-pitch\">Thread Pitch \n <span class=\"tooltip\">?\n <span class=\"tooltiptext\">For metric bolts, this is the distance between threads in mm (e.g., 1.5). For imperial, it’s threads per inch (e.g., 13).<\/span>\n <\/span>\n <\/label>\n <input type=\"text\" id=\"thread-pitch\" placeholder=\"e.g., 1.5 (metric) or 13 (imperial)\">\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"bolt-grade\">Bolt Grade\/Class<\/label>\n <select id=\"bolt-grade\">\n <option value=\"\">Select bolt grade\/class<\/option>\n <optgroup label=\"Metric\">\n <option value=\"4.6\">4.6<\/option>\n <option value=\"4.8\">4.8<\/option>\n <option value=\"5.8\">5.8<\/option>\n <option value=\"8.8\">8.8<\/option>\n <option value=\"9.8\">9.8<\/option>\n <option value=\"10.9\">10.9<\/option>\n <option value=\"12.9\">12.9<\/option>\n <\/optgroup>\n <optgroup label=\"Imperial (SAE)\">\n <option value=\"2\">Grade 2<\/option>\n <option value=\"5\">Grade 5<\/option>\n <option value=\"8\">Grade 8<\/option>\n <\/optgroup>\n <optgroup label=\"Stainless Steel\">\n <option value=\"A2-50\">A2-50 (304 SS)<\/option>\n <option value=\"A2-70\">A2-70 (304 SS)<\/option>\n <option value=\"A4-70\">A4-70 (316 SS)<\/option>\n <option value=\"A4-80\">A4-80 (316 SS)<\/option>\n <\/optgroup>\n <\/select>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"lubrication\">Lubrication Condition<\/label>\n <select id=\"lubrication\">\n <option value=\"dry\">Dry (no lubrication)<\/option>\n <option value=\"lightly_oiled\">Lightly Oiled<\/option>\n <option value=\"greased\">Greased<\/option>\n <option value=\"moly\">Moly Paste<\/option>\n <\/select>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"material\">Joint Material \n <span class=\"tooltip\">?\n <span class=\"tooltiptext\">The material the bolt is being tightened into (affects friction)<\/span>\n <\/span>\n <\/label>\n <select id=\"material\">\n <option value=\"steel\">Steel<\/option>\n <option value=\"aluminum\">Aluminum<\/option>\n <option value=\"cast_iron\">Cast Iron<\/option>\n <option value=\"brass\">Brass\/Bronze<\/option>\n <\/select>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"torque-unit\">Torque Unit<\/label>\n <select id=\"torque-unit\">\n <option value=\"Nm\">Newton Meters (Nm)<\/option>\n <option value=\"ft-lb\">Foot-Pounds (ft-lb)<\/option>\n <option value=\"in-lb\">Inch-Pounds (in-lb)<\/option>\n <option value=\"kgf-cm\">Kilogram-Force Centimeters (kgf\u00b7cm)<\/option>\n <\/select>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"safety-factor\">Safety Factor \n <span class=\"tooltip\">?\n <span class=\"tooltiptext\">Percentage of bolt yield strength to target (typically 75-90%)<\/span>\n <\/span>\n <\/label>\n <select id=\"safety-factor\">\n <option value=\"75\">75% (General Purpose)<\/option>\n <option value=\"80\">80% (Recommended)<\/option>\n <option value=\"85\">85% (Critical Applications)<\/option>\n <option value=\"90\">90% (High Risk)<\/option>\n <option value=\"50\">50% (Light Duty)<\/option>\n <\/select>\n <\/div>\n \n <button id=\"calculate-btn\">Calculate Torque<\/button>\n <\/div>\n \n <div class=\"calculator-results\">\n <h2 style=\"color: var(--primary-color); margin-bottom: 20px;\">Torque Results<\/h2>\n \n <div class=\"result-card\">\n <div class=\"result-title\">Recommended Torque<\/div>\n <div class=\"result-value\" id=\"torque-result\">—<\/div>\n <div class=\"result-unit\" id=\"torque-unit-result\">Nm<\/div>\n <\/div>\n \n <div class=\"result-card\">\n <div class=\"result-title\">Tensile Stress Area<\/div>\n <div class=\"result-value\" id=\"tensile-area\">—<\/div>\n <div class=\"result-unit\">mm\u00b2<\/div>\n <\/div>\n \n <div class=\"result-card\">\n <div class=\"result-title\">Clamp Force<\/div>\n <div class=\"result-value\" id=\"clamp-force\">—<\/div>\n <div class=\"result-unit\">kN<\/div>\n <\/div>\n \n <div class=\"recommendations\">\n <h3>Recommendations<\/h3>\n <p id=\"recommendation-text\">Enter your bolt parameters and click “Calculate Torque” to get recommendations for proper tightening procedures.<\/p>\n <\/div>\n <\/div>\n <\/div>\n \n <div class=\"info-section\">\n <h2>About Bolt Torque Calculation<\/h2>\n <p>Proper bolt torque is critical for joint integrity and safety. Under-torquing can lead to joint loosening, while over-torquing can damage threads or break the bolt. This calculator uses industry-standard formulas to determine appropriate torque values based on bolt size, grade, and application conditions.<\/p>\n \n <h3 style=\"margin-top: 20px; color: var(--primary-color);\">How to Use This Calculator<\/h3>\n <ol style=\"margin-left: 20px; margin-bottom: 15px;\">\n <li>Select your bolt size (diameter)<\/li>\n <li>Enter thread pitch (metric) or TPI (imperial)<\/li>\n <li>Select the bolt grade\/class<\/li>\n <li>Choose lubrication condition<\/li>\n <li>Select joint material<\/li>\n <li>Choose desired torque units<\/li>\n <li>Select appropriate safety factor<\/li>\n <li>Click “Calculate Torque”<\/li>\n <\/ol>\n \n <h3 style=\"margin-top: 20px; color: var(--primary-color);\">Important Notes<\/h3>\n <ul style=\"margin-left: 20px;\">\n <li>Always consult manufacturer specifications when available<\/li>\n <li>Critical applications should be verified by a qualified engineer<\/li>\n <li>Lubrication significantly affects torque values<\/li>\n <li>Use calibrated torque wrenches for accurate tightening<\/li>\n <\/ul>\n <\/div>\n \n <div class=\"ad-container\">\n <div class=\"ad-label\">Advertisement<\/div>\n \n <div style=\"min-height: 250px; background-color: #f0f0f0; display: flex; align-items: center; justify-content: center;\">\n <p>Your AdSense ad will appear here<\/p>\n <\/div>\n <\/div>\n \n <footer>\n <p>© 2023 ToolsBlaster.com | Professional Bolt Torque Calculator<\/p>\n <p style=\"font-size: 0.9rem; margin-top: 10px;\">Disclaimer: This tool provides estimates only. Always verify critical applications with a qualified engineer.<\/p>\n <\/footer>\n <\/div>\n\n <script>\n document.addEventListener('DOMContentLoaded', function() {\n \/\/ Bolt data - tensile stress areas (mm\u00b2) for metric bolts\n const metricTensileAreas = {\n 'M3': 5.03,\n 'M4': 8.78,\n 'M5': 14.2,\n 'M6': 20.1,\n 'M8': 36.6,\n 'M10': 58.0,\n 'M12': 84.3,\n 'M14': 115,\n 'M16': 157,\n 'M18': 192,\n 'M20': 245,\n 'M22': 303,\n 'M24': 353,\n 'M27': 459,\n 'M30': 561\n };\n \n \/\/ Bolt data - tensile stress areas (in\u00b2) for imperial bolts\n const imperialTensileAreas = {\n '1\/4': 0.0318,\n '5\/16': 0.0524,\n '3\/8': 0.0775,\n '7\/16': 0.1063,\n '1\/2': 0.1419,\n '9\/16': 0.182,\n '5\/8': 0.226,\n '3\/4': 0.334,\n '7\/8': 0.462,\n '1': 0.606\n };\n \n \/\/ Bolt grade properties - proof load (MPa) for metric, psi for imperial\n const gradeProperties = {\n \/\/ Metric grades\n '4.6': { proofLoad: 225, tensileStrength: 400 },\n '4.8': { proofLoad: 310, tensileStrength: 420 },\n '5.8': { proofLoad: 380, tensileStrength: 520 },\n '8.8': { proofLoad: 600, tensileStrength: 800 },\n '9.8': { proofLoad: 650, tensileStrength: 900 },\n '10.9': { proofLoad: 830, tensileStrength: 1040 },\n '12.9': { proofLoad: 970, tensileStrength: 1220 },\n \n \/\/ Imperial grades\n '2': { proofLoad: 55000, tensileStrength: 74000 },\n '5': { proofLoad: 85000, tensileStrength: 120000 },\n '8': { proofLoad: 120000, tensileStrength: 150000 },\n \n \/\/ Stainless steel\n 'A2-50': { proofLoad: 210, tensileStrength: 500 },\n 'A2-70': { proofLoad: 450, tensileStrength: 700 },\n 'A4-70': { proofLoad: 450, tensileStrength: 700 },\n 'A4-80': { proofLoad: 600, tensileStrength: 800 }\n };\n \n \/\/ Friction coefficients based on lubrication and material\n const frictionCoefficients = {\n 'dry': {\n 'steel': 0.20,\n 'aluminum': 0.25,\n 'cast_iron': 0.23,\n 'brass': 0.18\n },\n 'lightly_oiled': {\n 'steel': 0.16,\n 'aluminum': 0.18,\n 'cast_iron': 0.17,\n 'brass': 0.15\n },\n 'greased': {\n 'steel': 0.14,\n 'aluminum': 0.15,\n 'cast_iron': 0.14,\n 'brass': 0.12\n },\n 'moly': {\n 'steel': 0.10,\n 'aluminum': 0.12,\n 'cast_iron': 0.11,\n 'brass': 0.10\n }\n };\n \n \/\/ Unit conversion factors\n const unitConversion = {\n 'Nm': 1,\n 'ft-lb': 0.737562,\n 'in-lb': 8.85075,\n 'kgf-cm': 10.1972\n };\n \n \/\/ Calculate button event listener\n document.getElementById('calculate-btn').addEventListener('click', calculateTorque);\n \n function calculateTorque() {\n \/\/ Get input values\n const boltSize = document.getElementById('bolt-size').value;\n const threadPitch = parseFloat(document.getElementById('thread-pitch').value) || 0;\n const boltGrade = document.getElementById('bolt-grade').value;\n const lubrication = document.getElementById('lubrication').value;\n const material = document.getElementById('material').value;\n const torqueUnit = document.getElementById('torque-unit').value;\n const safetyFactor = parseInt(document.getElementById('safety-factor').value) \/ 100;\n \n \/\/ Validate inputs\n if (!boltSize || !boltGrade) {\n alert('Please select bolt size and grade');\n return;\n }\n \n \/\/ Determine if metric or imperial\n const isMetric = boltSize.startsWith('M');\n \n \/\/ Get tensile stress area\n let tensileArea;\n if (isMetric) {\n tensileArea = metricTensileAreas[boltSize] || 0;\n } else {\n tensileArea = imperialTensileAreas[boltSize] || 0;\n }\n \n if (!tensileArea) {\n alert('Could not find tensile area for selected bolt size');\n return;\n }\n \n \/\/ Get bolt properties\n const gradeProp = gradeProperties[boltGrade];\n if (!gradeProp) {\n alert('Could not find properties for selected bolt grade');\n return;\n }\n \n \/\/ Calculate target preload (using proof load as basis)\n let preload;\n if (isMetric) {\n \/\/ For metric: proofLoad is in MPa (N\/mm\u00b2)\n preload = gradeProp.proofLoad * tensileArea * safetyFactor; \/\/ in Newtons\n } else {\n \/\/ For imperial: proofLoad is in psi\n preload = gradeProp.proofLoad * tensileArea * safetyFactor; \/\/ in pounds\n }\n \n \/\/ Get friction coefficient\n const frictionCoefficient = frictionCoefficients[lubrication][material];\n \n \/\/ Calculate torque (T = K * F * d)\n \/\/ K is nut factor (\u2248 friction coefficient)\n \/\/ F is preload\n \/\/ d is nominal diameter\n let diameter;\n if (isMetric) {\n diameter = parseFloat(boltSize.substring(1)); \/\/ in mm\n } else {\n \/\/ Convert fraction to decimal for imperial\n const fraction = boltSize.split('\/');\n diameter = fraction.length === 2 ? fraction[0] \/ fraction[1] : parseFloat(fraction[0]);\n }\n \n let torque;\n if (isMetric) {\n \/\/ For metric: result in Nm\n torque = frictionCoefficient * preload * diameter \/ 1000;\n } else {\n \/\/ For imperial: convert diameter to inches if needed (already in inches for standard sizes)\n \/\/ Result in in-lb\n torque = frictionCoefficient * preload * diameter;\n \n \/\/ If original unit was ft-lb, convert\n if (torqueUnit === 'ft-lb') {\n torque \/= 12;\n }\n }\n \n \/\/ Convert to selected unit if needed\n if (isMetric && torqueUnit !== 'Nm') {\n torque *= unitConversion[torqueUnit];\n } else if (!isMetric && torqueUnit === 'Nm') {\n \/\/ Convert in-lb to Nm\n torque *= 0.112985;\n } else if (!isMetric && torqueUnit === 'kgf-cm') {\n \/\/ Convert in-lb to kgf-cm\n torque *= 1.15212;\n }\n \n \/\/ Calculate clamp force in kN (for metric) or kips (for imperial)\n let clampForce;\n if (isMetric) {\n clampForce = preload \/ 1000; \/\/ kN\n } else {\n clampForce = preload \/ 1000; \/\/ kips\n }\n \n \/\/ Display results\n document.getElementById('torque-result').textContent = torque.toFixed(2);\n document.getElementById('torque-unit-result').textContent = torqueUnit;\n \n document.getElementById('tensile-area').textContent = isMetric ? \n tensileArea.toFixed(2) : \n tensileArea.toFixed(4);\n \n document.getElementById('clamp-force').textContent = clampForce.toFixed(2);\n \n \/\/ Generate recommendations\n let recommendations = '';\n \n if (safetyFactor < 0.75) {\n recommendations += '\u26a0\ufe0f Low safety factor selected. Only use for non-critical applications.\\n';\n } else if (safetyFactor > 0.85) {\n recommendations += '\u26a0\ufe0f High safety factor selected. Ensure bolt quality and proper installation.\\n';\n }\n \n if (lubrication === 'dry') {\n recommendations += '\u2022 Consider using lubrication for more consistent torque values.\\n';\n } else if (lubrication === 'moly') {\n recommendations += '\u2022 Moly paste provides excellent lubrication consistency.\\n';\n }\n \n if (material === 'aluminum') {\n recommendations += '\u2022 Use care when tightening into aluminum to avoid thread stripping.\\n';\n }\n \n recommendations += '\u2022 Always use a calibrated torque wrench.\\n';\n recommendations += '\u2022 Tighten gradually in multiple steps for critical joints.\\n';\n recommendations += '\u2022 Consider angle tightening for high-strength applications.\\n';\n \n document.getElementById('recommendation-text').innerHTML = recommendations.replace(\/\\n\/g, '<br>');\n }\n });\n <\/script>\n<\/body>\n<\/html>\n\n\n\n<p><\/p>\n<img src=\"https:\/\/toolsblaster.com\/wp-content\/uploads\/2025\/05\/Bolt-Torque-Calculator.webp\" class=\"ss-hidden-pin-image\" alt=\"\" data-pin-url=\"https:\/\/toolsblaster.com\/?p=1865\" data-pin-media=\"https:\/\/toolsblaster.com\/wp-content\/uploads\/2025\/05\/Bolt-Torque-Calculator.webp\" data-pin-description=\"Professional Bolt Torque Calculator\"\/>","protected":false},"excerpt":{"rendered":"<p>Professional Bolt Torque Calculator | EngineeringTools Bolt Torque Calculator Precision torque calculations for engineers and mechanics Advertisement Your AdSense ad will appear here Torque Calculation Parameters Bolt Size (Diameter) Select…<\/p>\n<img src=\"https:\/\/toolsblaster.com\/wp-content\/uploads\/2025\/05\/Bolt-Torque-Calculator.webp\" class=\"ss-hidden-pin-image\" alt=\"\" data-pin-url=\"https:\/\/toolsblaster.com\/?p=1865\" data-pin-media=\"https:\/\/toolsblaster.com\/wp-content\/uploads\/2025\/05\/Bolt-Torque-Calculator.webp\" data-pin-description=\"Professional Bolt Torque Calculator\"\/>","protected":false},"author":1,"featured_media":1866,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"googlesitekit_rrm_CAowgIyDCw:productID":"","_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[12,10],"tags":[],"class_list":["post-1865","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-tools","category-top-tools"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/posts\/1865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1865"}],"version-history":[{"count":8,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/posts\/1865\/revisions"}],"predecessor-version":[{"id":1875,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/posts\/1865\/revisions\/1875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=\/wp\/v2\/media\/1866"}],"wp:attachment":[{"href":"https:\/\/toolsblaster.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/toolsblaster.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":1865,"date":"2025-05-14T06:49:01","date_gmt":"2025-05-14T06:49:01","guid":{"rendered":"https:\/\/toolsblaster.com\/?p=1865"},"modified":"2025-05-14T07:21:19","modified_gmt":"2025-05-14T07:21:19","slug":"professional-bolt-torque-calculator","status":"publish","type":"post","link":"https:\/\/toolsblaster.com\/?p=1865","title":{"rendered":"Professional Bolt Torque Calculator"},"content":{"rendered":"\n