Insize Thread Plug Gage 1/4-28 UNF Class 2B Series 4643-1B2 E-Z Coil Kit Economy M5 X 0.8 X 1D Helicoil Thread Repair Why Choose the Somta Series Somta Series 107 – 1/16 - 1/2" X 1/64 Jobber Drill Set The optional setting ring 1103-200

Why Choose the Somta Series 555 UNF 5/8" Gun Nose Tap

Professional-Level Precision – Clean hole starts and stable performance throughout long bore depths

ensuring performance in high-heat environments such as automotive

Recommended drill bit size (for pilot hole) etched on each extractor

delivers advanced threading technology with unmatched quality and precision

Insize Thread Plug Gage 1 4 28 UNF Class 2B Series 4643 1B2 E Z Coil Kit Economy M5 X 0.8 X 1D Helicoil Thread Repair Why Choose the Somta Series Somta Series 107 – 1 16 1 2" X 1 64 Jobber Drill Set The optional setting ring 1103 200 Why Choose the Somta Series 555 UNF 5 8" Gun Nose Tap Professional Level Precision – Clean hole starts and stable performance throughout long bore depths