Kolvoii 81-Piece Tap and Die Set, SAE & Metric #4–1/2" &

Kolvoii 81-Piece Tap and Die Set, SAE & Metric #4–1/2" & M3–M12, Heavy-Duty GCr15 Steel Rethreading Tool Kit with Coarse and Fine Threads for Internal and External Threads
- All-in-One SAE & Metric Threading Kit：Kolvoii 81-piece tap and die set includes both SAE (#4–1/2") and Metric (M3–M12) coarse and fine threads. Designed for cutting, repairing, or rethreading threads—versatile for fastener or hole repair task
- Industrial-Grade GCr15 Bearing Steel (60 HRC): Crafted from heat-treated GCr15 bearing steel with Rockwell hardness up to 60 HRC, delivering excellent wear resistance and torque strength. Maintains cutting accuracy under load without deformation, even during repeated rethreading tasks
- Precision CNC-Machined Cutting Teeth: CNC-ground taps and dies produce clean, accurate internal and external threads on steel, aluminum, brass, copper, and cast iron. Optimized tooth geometry reduces friction and cross-threading for smoother, more controlled threading
- Dual Thread Pitch Gauges & Spiral Extractors: Includes both SAE and metric thread pitch gauges for fast, accurate thread identification. Spiral flute bolt extractors (EZ-Out style) help remove broken bolts and studs without damaging surrounding threads—saving time on repairs
- Adjustable Tap & Die Wrenches for Control: Adjustable tap and die wrenches provide secure locking, precise alignment, and steady pressure across multiple sizes. Supports straight, consistent threading
- Complete Accessory Kit: 68 Taps and dies, long handle tap wrench, T-handle tap wrench, adjustable die wrench, screwdriver, metric and SAE thread pitch gauges, centre punch, 5 spiral flute extractors—all neatly stored in a rugged blow-molded case
- Ideal for Automotive, Machinery & DIY Repairs: Well-suited for restoring stripped threads on bolts, rods, and threaded holes in automotive repair, machinery maintenance, home workshops, and general metalworking projects
Country USA
Brand Kolvoii
Manufacturer Kolvoii
Binding Misc.
Model US-K109
Size 81-Piece Metric & SAE
ReleaseDate 0000-00-00

Country	USA
Brand	Kolvoii
Manufacturer	Kolvoii
Binding	Misc.
Model	US-K109
Size	81-Piece Metric & SAE
ReleaseDate	0000-00-00

Kolvoii 81-Piece Tap and Die Set, SAE & Metric #4–1/2" & M3–M12, Heavy-Duty GCr15 Steel Rethreading Tool Kit with Coarse and Fine Threads for Internal and External Threads

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