Kolvoii 52-Piece Large Metric Tap and Die Set, M6 to M24 Coarse and Fine Threads, Heavy-Duty GCr15 Steel Thread Repair & Rethreading Tool Kit for Internal & External Threads

Large-Size Metric Thread Coverage: 52-piece metric tap and die set covering M6×0.75 to M24×3.0 in coarse and fine threads. Designed for cutting new threads, repairing stripped holes, and restoring large bolts in engines and machinery Industrial-Grade GCr15 Bearing Steel (60 HRC): Heat-treated GCr15 steel delivers high wear resistance and torque strength. Maintains cutting accuracy under load without deformation, even during repeated rethreading tasks Precision CNC-Machined Cutting Teeth: CNC-machined taps and dies produce clean, accurate internal and external threads on steel, stainless steel, aluminum, brass, copper, and cast iron while reducing friction and cross-threading Metric Thread Pitch Gauge & Spiral Extractors: Includes a metric pitch gauge for fast and accurate thread identification. Spiral flute extractors help remove broken bolts or studs without damaging surrounding threads Adjustable Tap & Die Wrenches for Control: Adjustable tap and die wrenches provide secure locking, precise alignment, and steady pressure across multiple sizes. Supports straight starts, stable engagement, and consistent threading under heavy load Complete Accessory Kit: Includes 20 taps, 20 dies, a tap wrench, die wrench with adapter, T-handle wrench, adjustable tap wrench, spring-flute extractors (3–18 mm), a flat screwdriver, center punch, and a metric pitch gauge—all neatly stored in a durable blow-molded case Built for Heavy Equipment & Industrial Repairs: Designed to restore large stripped threads on trucks, farm equipment, engines, structural hardware, and heavy machinery—trusted by mechanics, technicians, and serious DIY users ✔ Kolvoii 52-Piece Large Metric Tap and Die Set — Heavy-Duty GCr15 Steel Thread Repair Kit (M6–M24)
Tackle demanding threading and rethreading jobs with the Kolvoii Large Metric Tap and Die Set, engineered for mechanics, fabricators, and professionals who require accuracy and durability. Covering a wide metric range from M6 to M24, this complete 52-piece kit restores internal and external threads on engines, machinery, automotive components, metalworking projects, and equipment maintenance tasks.

Specifications:
Thread Sizes: M6×0.75 to M24×3.0 (coarse & fine)
Material: GCr15 Bearing Steel (heat-treated to ~60 HRC)
Precision: CNC-machined cutting teeth
Application: Thread repair, rethreading, metal fabrication, heavy-duty machinery maintenance

Package Includes:
20 × Metric Taps
20 × Metric Dies
1 × Die Wrench with Adapter
1 × Tap Wrench
1 × Adjustable Tap Wrench
1 × T-Handle Tap Wrench
Spiral-Flute Extractors (3–18 mm)
1 × Flat Screwdriver
1 × Center Punch
1 × Metric Thread Pitch Gauge
Durable Blow-Molded Storage Case

✔ Why Choose the Kolvoii Large Metric Tap & Die Set?
Built for professionals and serious DIY users, this heavy-duty metric tap and die set provides industrial-grade strength, superior precision, and a complete accessory system for accurate threading every time. Whether repairing damaged bolts, restoring worn threads, or fabricating new components, Kolvoii delivers the performance and reliability your projects demand.