# WhatSizeBolt

> Free, OEM-accurate bolt sizes, torque specs, and fastener data for vehicles, small engines, and heavy equipment. Identify any bolt by photo or by hand; look up wrench/socket sizes, torque values, thread pitch, grade markings, and lug-nut specs.

## Key tools & references
- [AI Bolt Identifier](/ai-bolt-identifier): Identify a bolt from a photo — wrench size, thread pitch, head type, and torque.
- [Vehicle Fastener Search](/): OEM bolt sizes and torque specs by year, make, and model — search on the homepage.
- [Bolt Size Chart](/bolt-size-chart): Metric (M3-M24) and SAE bolt sizes, head/wrench sizes, and thread pitch.
- [Standard Torque Specs](/standard-torque-specs): Torque by grade and size, dry vs lubricated.
- [Bolt Head Markings Guide](/head-markings): SAE grade lines and metric property classes (8.8/10.9/12.9).
- [Metric / SAE Converter](/tools/metric-sae-converter): Convert wrench, socket, and bolt sizes.
- [Resources & embeddable charts](/resources): Free reference charts, a bolt-finder widget, printable PDFs, and a fastener FAQ.

## All pages
- [$ Lug Nut Torque & Bolt Specs by Year | WhatSizeBolt`}](/vehiclemodel): No description available
- [Admin Tools | WhatSizeBolt](/admintools): No description available
- [Affiliate Settings | Fastener Database](/affiliatesettings): Configure Amazon Affiliate settings for monetization.
- [Contact WhatSizeBolt - Get Support](/contact): Contact WhatSizeBolt. Have questions? Get in touch with our team for support and inquiries.
- [Fastener Knowledge Hub | Automotive Repair Guides, Bolt Specs & Mechanic Tips](/blog): Explore expert automotive repair guides, bolt specification tutorials, and mechanic tips. Your ultimate resource for understanding fasteners, torque, and tools.
- [International Scout Fastener Specs | WhatSizeBolt](/scoutfasteners): Specialized fastener database for International Harvester Scout II, 80, and 800. Authentic torque specs and bolt sizes for restoration.
- [Lug Nut Torque & Bolt Specs by Model | WhatSizeBolt`}](/vehiclemake): No description available
- [My Garage | Saved Vehicles | WhatSizeBolt](/mygarage): View your saved vehicles and quickly access fastener specifications, bolt sizes, and torque settings.
- [My Garage | Saved Vehicles | WhatSizeBolt](/savedvehicles): View your saved vehicles and quickly access fastener specifications, bolt sizes, and torque settings.
- [Oil Drain Plug Sizes by Make - Complete Guide | WhatSizeBolt](/oildrainplugsizeguide): Complete oil drain plug size guide for Honda, Toyota, Ford, GM, Nissan. Torque specs, socket sizes & emergency solutions. Bookmark this →
- [Order Confirmed — WhatSizeBolt](/cardordersuccess): No description available
- [Page Not Found | WhatSizeBolt](/notfound): No description available
- [Spark Plug Socket Sizes by Vehicle - Complete Guide | WhatSizeBolt](/sparkplugsocketsizeguide): Complete spark plug socket size guide. Avoid stripped threads and engine damage. Torque specs and socket charts for all makes. Save now →
- [Terms of Service - WhatSizeBolt](/termsofservice): WhatSizeBolt terms of service. Read our terms and conditions for using our website and tools.
- [Untitled Page](/aiboltidentifier): No description available
- [Untitled Page](/commonfastener): No description available
- [Untitled Page](/home): No description available
- [Untitled Page](/knowledgehub): No description available
- [Vehicle Coverage: Every Supported Car, Truck & SUV | WhatSizeBolt](/vehiclecoverage): Check our massive database of supported vehicles. We provide detailed fastener specs for thousands of makes and models from 1990 to 2025. See if your car is listed.
- [Your Garage Is Ready | WhatSizeBolt](/garagewelcome): Your vehicle has been saved to your WhatSizeBolt garage. Access torque specs, bolt sizes, and fastener references anytime.