Thread Gauges for Electrical Threads DIN 40400 | ULTRA Shop

Buy high-precision thread limit plug gauges and thread ring gauges from ULTRA for electrical threads according to DIN 40400 in nominal sizes E14 to E33 for reliable quality control online.

Thread gauges for electrical threads according to DIN 40400 are primarily used in the production and monitoring of classic Edison threads. Particularly in the electrical industry, lighting manufacturing, and the production of fuse elements and lamp bases, these inspection instruments ensure flawless assembly and the absolutely secure electrical contact of screw connections. You receive these wear-resistant measuring bodies as thread plug gauges and thread ring gauges manufactured from premium, hardened gauge steel for long-lasting workshop use. All gauges guarantee traceable calibration through optional factory or DAkkS certificates for your quality management.