Somta Series 917 – Carbon Steel Die Nut (1/2" Bspf) Insize Welding Gauge Series 4851-1 Max hole size for hollow

Max hole size for hollow doors: 603 x 203mm

Engineered to handle tapping tasks efficiently

Designed for Large-Diameter Drilling – Trusted for structural and industrial-grade fabrication work

Internal Thread Turning Insert – V-0

Somta Series 917 – Carbon Steel Die Nut (1/2" Bspf) Insize Welding Gauge Series 4851-1 Max hole size for hollowSomta Series 917 Carbon Steel Die Nut (1 2" BSPF) The SOMTA 9171270 Carbon Steel Die Nut restores 1 2" BSP parallel (BSPF) threads with precision. Its tough carbon steel body and hexagonal profile ensure reliable performance and easy use with standard spanners or sockets, whether in the workshop or on site. Key Features & Benefits External Thread Repair Ideal for chasing and cleaning BSPP threads. Carbon Steel Construction Strong, wear resistant, and