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ISO 724 - Metric Threads

Socket Size Chart - Socket Sizes in Order from Smallest to Largest

Inch VS. Metric Tien-I supply both system impact and chrom sockets

Imperial to Metric Conversion Chart

The Classic Mechanic: MM, AF, BSW, BSF Spanner Conversion Chart

Wrench Sizes - ElectronicsHub USA

Inch VS. Metric Tien-I supply both system impact and chrom sockets

SAE To Metric Conversion Chart – Teng Tools USA

Socket Size Chart Socket set, Sockets, Metric socket set

Metric to SAE Calculator