Thread Reference Chart

Complete reference for metric, imperial, and pipe threads. Major diameter, pitch, and tap drill sizes at a glance.

Size	Pitch (mm)	Major D (mm)	Pitch D (mm)	Minor D (mm)	Tap Drill (mm)

Note: Tap drill sizes are approximate (±0.1mm). For critical applications, verify with engineering standards (ISO 965, ASME B1.1, ISO 228).

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