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Tabella Punte per Maschiatura — Strumento online gratis

Diametro foro pilota per qualsiasi maschio

Trova la punta corretta per qualsiasi maschio. Metrico e imperiale. Impegno filetto 75% e 50%. Senza registrazione.

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Tap drill size calculator

Find the correct drill bit for any tap. UNC, UNF, metric.

How to use this tool

  1. 1

    Pick tap size

    Select from standard UNC/UNF/metric.

  2. 2

    Pick thread engagement %

    75% standard; 50% for hard materials.

  3. 3

    See drill size

    Exact + closest standard bit.

Frequently Asked Questions

Why 75% thread engagement?
Standard engagement. Gives 95% of thread strength but 66% of the drilling effort vs 100%. Industry default for most jobs.
When to use 50%?
Hardened steels, stainless, or when breaking taps is a concern. Weaker threads but much easier tapping.

Punti chiave

  • Tap Drill Size Chart is a free, browser-based calculator tool — pilot hole size for any tap thread.
  • No signup, no downloads, no file uploads. Strumentos 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 Tap Drill Size Chart

  1. Open the tool: Launch Tap Drill Size Chart on Strumentoolis — 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.

Tap Drill Size Chart — Quick Facts

Prezzo
Gratis — senza limiti, senza filigrana, senza paywall
Privacy
Elaborato nel tuo browser. Gli strumenti che richiedono un servizio esterno lo indicano nella pagina. Le visite vengono conteggiate (Google Analytics).
Piattaforma
Qualsiasi browser moderno — desktop, tablet o mobile
Categoria
Calcolatore Strumentos on Strumentoolis
Offline
Works offline after first visit (Progressive Web App)
CaratteristicaDettagli
StrumentoTap Drill Size Chart
CategoriaCalcolatore
Registrazione richiestaNo
Caricamento fileNessuno — elaborato nel browser
Supporto mobileCompletamente adattivo
CostoGratis per sempre

Why Use Tap Drill Size Chart?

You should try Tap Drill Size Chart for a quick, private way to pilot hole size for any tap thread. 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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