RUKO GBO-Set21tlg-TxHSS-Stahlbl. 21-Piece HSS Tap and Die Set M3-M12

Cutting or repairing internal and external threads by hand can be frustrating when you lack the right tools for multiple sizes. This 21-piece tap and die set solves that by providing a complete range of metric taps and dies from M3 to M12 in one durable metal case.

Who is it for

This set is for machinists, mechanics, and serious DIYers who need to create or restore threads in steel and other metals. It covers the most common metric sizes, making it suitable for automotive, maintenance, and general workshop tasks.

Main features

• 21 pieces: 7 taper taps, 7 dies, adjustable tap wrench, adjustable die stock, thread pitch gauge, and screwdriver.
• Made from high-speed steel (HSS) for durability and cutting performance.
• Metric threads from M3 x 0.5 to M12 x 1.75, right-hand direction.
• Taps conform to DIN 352; dies conform to DIN 223.
• Adjustable tap wrench (DIN 1814) and die stock (DIN 225) for secure tool holding.
• Supplied in a sturdy sheet metal storage case for organization and protection.

Specifications

• Product type: Tap and die set
• Number of pieces: 21
• Material: High-speed steel (HSS)
• Thread type: Metric (M)
• Thread direction: Right-hand
• Tap sizes: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75
• Die sizes: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5, M12x1.75
• Tap wrench: Adjustable (DIN 1814)
• Die stock: Adjustable (DIN 225)
• Included accessories: Thread pitch gauge, screwdriver
• Case material: Sheet metal
• Application: Cutting and repairing internal and external threads
• Standard (taps): DIN 352
• Standard (dies): DIN 223
• Packaging: Durable metal storage case

Tips

Use cutting oil when tapping or threading to extend tool life and achieve cleaner threads. Always start with the taper tap for through holes, and back off periodically to break chips.