RUKO MGB Set DIN 371/376 HSSCo M3-M12 Machine Tap Set

Precision machine tap set covering metric coarse threads M3 through M12, manufactured from HSSCo high-speed steel with cobalt for enhanced hardness and heat resistance.

Overview

The RUKO MGB Set combines taps conforming to DIN 371 (reinforced shank for through holes) and DIN 376 (reduced shank for blind holes) in one robust metal case. Seven taps cover the most common metric coarse thread sizes: M3, M4, M5, M6, M8, M10, and M12. Right-hand cutting with ISO 2 (6H) tolerance class ensures standard fit. Bright surface finish. Suitable for unalloyed and alloyed steels up to 800 N/mm², cast iron, and non-ferrous metals.

What stands out

• HSSCo material with cobalt for superior wear resistance
• Dual standard set: DIN 371 for through holes, DIN 376 for blind holes
• Complete range M3–M12 in one case
• Reinforced and reduced shank types included

Technical details

• Product type: Machine tap set
• Material: HSSCo (High-Speed Steel with Cobalt)
• Standards: DIN 371, DIN 376
• Thread type: Metric coarse (M)
• Thread sizes: M3, M4, M5, M6, M8, M10, M12
• Number of pieces: 7
• Application: Through holes and blind holes
• Cutting direction: Right-hand cut
• Tolerance class: ISO 2 (6H)
• Surface treatment: Bright
• Recommended material hardness: Up to 800 N/mm²
• Suitable materials: Unalloyed and alloyed steels, cast iron, non-ferrous metals
• Shank type (DIN 371): Reinforced
• Shank type (DIN 376): Reduced
• Packaging: Robust metal case

Our verdict

A professional set for workshops needing a reliable range of metric taps, with cobalt steel for demanding materials.