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Calculadora de Torque de Parafuso — Ferramenta online grátis

Torque especificado para qualquer parafuso

Calcule especificação de torque por grau, diâmetro e lubrificação. Grau 5/8/SAE, métrico 8.8/10.9/12.9. Sem cadastro.

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Bolt torque calculator

Find torque spec for any bolt size, grade, lubrication.

How to use this tool

  1. 1

    Pick bolt size + grade

    Diameter + strength class determine proof load.

  2. 2

    Pick lubrication

    Dry, lubricated, or anti-seize (friction factor).

  3. 3

    See torque spec

    Recommended torque in ft·lb and N·m.

Frequently Asked Questions

Torque formula
T = K × D × F, where K = friction coeff (0.2 dry, 0.15 lube), D = bolt diameter, F = preload force (~75% of proof load).
Grade meanings
SAE Grade 5: medium strength. Grade 8: high strength. Metric 8.8: ~Grade 5. Metric 10.9/12.9: high strength.

Pontos-chave

  • Bolt Torque Calculadora is a free, browser-based calculator tool — torque spec for any bolt grade + size.
  • Não signup, no downloads, no file uploads. Ferramentas run in your browser; the few that need an outside service say so on the page.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Bolt Torque Calculadora

  1. Open the tool: Launch Bolt Torque Calculadora on Ferramentaolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Bolt Torque Calculadora — Quick Facts

Preço
Grátis — sem limites, sem marca d’água, sem paywall
Privacidade
Processado no seu navegador. Ferramentas que precisam de um serviço externo avisam isso na página. As visitas são contadas (Google Analytics).
Plataforma
Qualquer navegador moderno — desktop, tablet ou celular
Categoria
Calculadora Ferramentas on Ferramentaolis
Offline
Works offline after first visit (Progressive Web App)
RecursoDetalhes
FerramentaBolt Torque Calculadora
CategoriaCalculadora
Cadastro necessárioNão
Upload de arquivoNenhum — processado no navegador
Suporte mobileTotalmente responsivo
CustoGrátis para sempre

Why Use Bolt Torque Calculadora?

You should try Bolt Torque Calculadora for a quick, private way to torque spec for any bolt grade + size. Processing happens in your browser and files are never uploaded; the few tools that need an outside service say so on the page.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Privacidade. Esta ferramenta funciona inteiramente no seu navegador. Seus dados nunca são enviados a nenhum servidor.