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  1. Unified Screw Threads (UNC/UNF/UNEF): Charts & Formulas

  2. Bolt Size Chart | Fastenere

  3. Fastener Size Tables - MechaniCalc

  4. Bolt And Nut Size Chart – SizeChartly

    Find the bolt diameter and other dimensions for various bolt and nut sizes in imperial and metric units. Compare the nominal, minimum and maximum values for different bolt lengths and head types.

  5. ANSI External Screw Threads Size Tolerances Chart

    95 rows · ANSI/ ASME EXTERNAL Screw Thread Size Chart. All units are in inches. Unified Screw Threads per. ANSI/ASME B1.1-1989 (R2001), R2001) Nomenclature, are used.

  6. Bolt Size Chart | UNF Bolts | UNC Bolts| Thread Standards

    Learn the difference between UNC and UNF bolts, two common designations for fastener threads based on threads per inch and thread pitch. Find out how to choose the right bolt threading machine and oil for your project.

  7. 5/16 - 18 UNCPossible Thread Classes - Machining Doctor

  8. Screw Size Charts - McMaster-Carr

  9. Bolt Head Size Chart | Fastener Resources | Mudge …

    Use this chart to determine the head size, and therefore the wrench or socket size required, for any hex bolt, heavy hex bolt, lag screw or square bolt you’re using.

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