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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 — your data stays on your device.
  • 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
100% no navegador — nenhum dado é enviado a servidores
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. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

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.