Kolvoii 61-Piece Thread Restorer Kit, Metric & SAE Thread Chaser Set with Taps, Dies, Files & Pitch Gauges – UNC, UNF, Metric Rethread Damaged Threads on Bolts, Nuts & Holes

METRIC & SAE THREAD REPAIR KIT: 28 taps, 28 dies, 3 thread files, and 2 pitch gauges, Size covering UNC (5/8″–1/4″), UNF (5/8″–1/4″), and Metric (M6–M14) standards, Coverage for both common and edge-case sizes

REVIVE & PRESERVE THREADS: Restore worn, damaged, or corroded threads without compromising the integrity of your metalwork—get smooth, reliable fastening on spark plugs, engine blocks, pipe fittings, and more. Never wrestle with cross-threading again

ENGINEERED FOR ENDURANCE: Each piece is forged from heat-treated carbon steel and coated (zinc or black oxide) for superior hardness, rust resistance, and longevity—designed to withstand frequent use

FAST, FOOL-PROOF RETHREADING: Color-coded, hex-shaped taps and dies fit any standard wrench or socket. Use the included pitch gauges and three file profiles to align, clean, and cut in one swift process

WIDE APPLICATION: Ideal for mechanics, machinists, plumbers, and DIYers. Repair threads on cylinder heads, machinery parts, suspension bolts, household hardware, and specialized fittings—no specialist equipment needed

ORGANIZED FOR ON-THE-GO WORK: Rugged blow-molded case with silver (UNC), black (UNF), and gold (Metric) coding keeps every tap, die, file, and gauge neatly in place—grab what you need and get back to work