Kolvoii

Kolvoii 61-Piece Thread Chaser Set is a complete metric, UNC and UNF thread-restoration kit designed to quickly re-cut and clean damaged or corroded internal and external threads without welding or helicoils. Whether you service engines, plumbing, or machinery, this organized kit gives you the...

Kolvoii Engine Cylinder Hone Tool Set is a four-piece professional honing kit with interchangeable hones from 1-1/8" to 4", a 3-jaw self-centering design, and 12 extra 220-grit stones to restore cylinder walls and create proper cross-hatch patterns. Whether you rebuild small brake cylinders, tune...

Kolvoii Engine Cylinder Hone Tool Set is a complete, heavy-duty honing kit that restores cylinder walls from 1" to 7" with four hones, a flexible shaft, and 12 extra 220-grit stones for long-lasting use. Whether you’re rebuilding small brake cylinders or resurfacing large marine...

Kolvoii's 320-piece helicoil thread repair kit is a complete metric and SAE solution that restores, reinforces, and replaces stripped or damaged threads in metals. This professional-grade kit gathers taps, drill bits, installation tools, break-off tools and 280 corrosion-resistant wire inserts in a single, organized...

Kolvoii M10 x 1.0 Helicoil Thread Repair Kit is a complete metric thread-restoration set that repairs and reinforces stripped M10x1.0 threads using stainless steel inserts, HSS drill bits, taps, and installation/break-off tools. This compact kit supplies everything needed to restore damaged M10x1.0 threads to...

Kolvoii M10 x 1.25 Helicoil Thread Repair Kit is a complete metric thread restoration set that replaces stripped M10x1.25 threads with durable stainless-steel inserts for long-lasting repairs. If a bolt hole has been rounded, stripped, or worn, this kit gives you the tools to...

Kolvoii’s 156-piece metric Helicoil kit provides everything needed to repair and reinforce stripped metric threads from M5 to M12 in a compact, organized case. This complete metric thread repair system bundles drill bits, taps, stainless steel wire inserts, installation and break-off tools to restore...