Somta Series 555 - HSSE-V Gun Nose Tap UNF 1/4" (Standard) Nylon Mechanical Pipe expanding Test plug bung with 13mm bypass 63mm to 76mm eg = STGCR2020K16 would refer

eg = STGCR2020K16 would refer to a TC insert style

Part no: 4706-1100

Part No : 4120-20

and general electrical systems

M10 x 20 x 1

Somta Series 555 - HSSE-V Gun Nose Tap UNF 1/4" (Standard) Nylon Mechanical Pipe expanding Test plug bung with 13mm bypass 63mm to 76mm eg = STGCR2020K16 would referOptimized for High Performance Through Hole Tapping The Somta Series 555 HSSE V Gun Nose Tap UNF 1 4" is a high performance machine tap specifically designed for through hole applications. Featuring a spiral point (gun nose) design, this tap efficiently directs swarf forward, ensuring clean and precise threading in CNC and conventional machines. Key Features & Benefits Ideal for Through Holes Gun nose spiral point design efficiently drives chips