Kolvoii

Kolvoii's 61-piece thread chaser set is a complete metric, UNC and UNF thread-restoring kit designed to quickly clean, repair and revive worn or corroded threads on automotive, plumbing and industrial parts. This compact, organized kit brings together 28 thread chaser taps, 28 matching dies,...

Kolvoii's Engine Cylinder Hone Tool Set is a four-piece automotive and small-engine honing kit that restores cylinder walls from 1" up to 7" using self-centering three-jaw hones, durable steel construction, and 12 extra 220-grit stones. This professional-grade honing set combines four differently sized hones...

The Kolvoii Engine Cylinder Hone Tool Set is a professional four-piece honing kit that deglazes, cleans and restores cylinder walls from 1" up to 7" using four hones and 12 replacement 220-grit stones. Whether you’re rebuilding small brake cylinders, routine-maintaining lawnmower engines, or refreshing...

Kolvoii's 320-piece Helicoil Thread Repair Kit is a full SAE and metric thread restoration system that repairs, reinforces, and replaces stripped or damaged threads in metals. This compact kit brings workshop-grade thread repair tools into one organized case. It contains everything needed to restore...

Kolvoii 156-piece Helicoil Thread Repair Kit is a full metric thread restoration set for M5–M12 that drills, taps, installs, and finishes durable stainless-steel inserts to repair or strengthen stripped threads. When a bolt hole is damaged, loose, or stripped—especially in softer metals like aluminum—the...

The Kolvoii M10 x 1.25 Helicoil Thread Repair Kit is a complete metric thread restoration set that restores and reinforces stripped M10x1.25 threads with stainless-steel inserts and hardened HSS tools. Whether you work on engines, machinery, or household equipment, stripped metric threads are a...

The Kolvoii M10 x 1.0 Helicoil Thread Repair Kit is a complete, portable solution for restoring stripped or worn M10x1.0 threads to durable, wear-resistant condition. This compact kit supplies everything needed to repair damaged metric threads quickly and consistently. Designed for use on aluminum,...