RUKO HGB-II DIN 352 HSS 60° M14 x 2.00 mm Left-Hand Hand Tap Set

For machinists and maintenance technicians who need to cut left-hand internal threads in steel, cast iron, or non-ferrous metals, this RUKO hand tap set provides a precise M14 x 2.00 mm thread to DIN 352 standards. The set includes a rougher and a finisher, both made from bright HSS for durability and clean cutting.

Key specifications

• Thread type: Metric, left-hand
• Nominal diameter: M14
• Pitch: 2.00 mm
• Standard: DIN 352
• Material: HSS (High-Speed Steel)
• Thread angle: 60°
• Tolerance class: ISO 2 (6H)
• Number of pieces: 2 (rougher and finisher)
• Total length: 95 mm
• Thread length: 30 mm
• Shank diameter: 11.0 mm
• Square drive: 9.0 mm
• Recommended core hole diameter: 12.0 mm

Why choose it

The set offers the convenience of having both a rougher and finisher tap for a complete threading operation. The HSS material ensures long tool life and resistance to wear, while the bright finish reduces friction during cutting. Suitable for through and blind holes in materials up to 800 N/mm² tensile strength.

Ideal use cases

• Creating left-hand threads in repair and maintenance work
• Threading components for reverse-rotation applications
• Workshop use on unalloyed and alloyed steels, malleable cast iron, and non-ferrous metals

Good to know

Left-hand threads are used when a fastener must tighten counterclockwise, such as on rotating shafts or safety devices. Always use cutting oil and ensure the core hole is drilled to the recommended diameter for optimal thread quality.