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Nut and Bolt Size Conversions

Convert between metric (M-size) and imperial (SAE) bolt and nut sizes.
Includes thread pitch, head size, and wrench size equivalents.

Nut and Bolt Size Converter

Convert metric (M6-M24) to imperial bolt and nut sizes with wrench equivalents, thread pitch, and grade markings. Covers SAE J429, ISO 898, and ASTM grades.
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