Jul 16, 2021 · Metric Bolt Thread Size: Thread sizes for coarse and fine pitch thread were created using the standard sizes from ASME B1.13M. Coarse pitch threads are preferred and should be used …

Apr 13, 2026 · View a complete bolt size chart for inch and metric fasteners. Includes thread pitch, conversions, and sizing information.

This page provides tables listing sizes of inch and metric bolts, nuts, and washers.

Dimensions of hex bolts, heavy hex bolts, square bolts, hex caps screws and heavy hex structural bolts.

Aug 26, 2025 · In this guide, we’ll break down everything you need to know about bolt sizes, including diameter, length, thread pitch, head types, and how to read charts correctly.

Unified Screw Threads per. ANSI/ASME B1.1-1989 (R2001), R2001) Nomenclature, are used. Acceptability criteria are described in ANSI/ASME B1.3M-1992 (R2001). Note: This screw chart is …

A bolt size chart is a comprehensive reference that outlines the critical dimensions and specifications of bolts, including diameter, thread pitch, length, and sometimes strength grade and material type.

Most industrial fasteners are covered by two basic standards: one for materials and properties; the other, for dimensions and tolerances.

Complete US screw size chart with decimal, fractional, and metric equivalents. Includes machine screw thread chart, bolt diameter conversions, FAQs, and shop links.

Mar 14, 2025 · Check out our bolt size chart featuring standard US bolt sizes in inches. Measured according to ASME B18.2.1. standards. Learn more.