RUKO 28-Piece Metric Tap and Die Set M3-M12 HSS Thread Cutting Kit

This 28-piece tap and die set cuts internal and external metric threads from M3 to M12, making it a complete solution for thread cutting and repair. The set includes hand taps in three-piece sets per size (taper, plug, bottoming) and matching round dies, all made from high-speed steel for durability.

Advantages

High-speed steel tools stay sharp and resist wear, while the three-piece tap sets allow progressive thread cutting for accurate results. The included adjustable tap wrench and die stock provide a secure grip for both taps and dies, and the thread gauge helps verify pitch quickly.

Suitable for

• Cutting new internal threads in drilled holes
• Cutting new external threads on rods or bolts
• Repairing damaged or worn threads
• Workshop, maintenance, and hobby use

Key specifications

• 28 pieces: taps, dies, wrenches, thread gauge, screwdriver
• Metric thread sizes: M3, M4, M5, M6, M8, M10, M12
• Thread pitches: 0.5, 0.7, 0.8, 1.0, 1.25, 1.5, 1.75 mm
• Tap type: hand taps (taper, plug, bottoming per size)
• Die type: round dies
• Material: high-speed steel (HSS)
• Includes adjustable tap wrench and die stock
• Includes thread gauge and screwdriver
• Metal case for storage

Recommendations

Use cutting oil when tapping or threading to extend tool life and improve finish. For blind holes, start with the taper tap, then plug, then bottoming tap to achieve full threads to the bottom.