Unified Drill Size & Decimals Chart
Interactive index of fractional, metric, letter, and number drills with 75% tap drill mappings. Filter and search in real-time below.
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Showing 291 of 291 sizes
| Drill Size | Decimal Inch | Decimal mm | 75% Tap Size Suggestions |
|---|---|---|---|
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Printable Wall Posters
High-resolution, shop-ready PDF files formatted for professional printing and posting on your workshop wall.
13" x 19" Small Format
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Full Size Chart (to 1-1/2")
Print-Ready PDF • 13x19 Poster
Limited Chart (to 3/4")
Print-Ready PDF • 13x19 Poster
💡 Tip: These PDFs use vector shapes and custom fonts (Chemvre) so they can scale up to any print size without loss of detail.