Somta Series 914 – Carbon Steel Die Nut (1/4" Bsf) Insize Thread GO Ring Gauge 5/8"-11 UNC Series 4121-5C1 - Trusted brand known for

- Trusted brand known for quality and performance

M Fine: M18

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Somta Series 914 – Carbon Steel Die Nut (1/4" Bsf) Insize Thread GO Ring Gauge 5/8"-11 UNC Series 4121-5C1 - Trusted brand known forSomta Series 914 Carbon Steel Die Nut (1 4" BSF) The SOMTA 9140640 Carbon Steel Die Nut is designed for restoring 1 4" British Standard Fine (BSF) threads. Built from high grade carbon steel, it provides excellent wear resistance, precision, and long service life. The hexagonal profile is compatible with standard spanners or sockets or sockets, making it ideal for both workshop and field repairs. Key Features & Benefits External Thread Repair Ideal