Maykestag HSSE-V3 Speedtap-Inox Machine Tap M14 x 2 Spiral Fluted DIN 376 6H VAPO

Maykestag HSSE-V3 Speedtap-Inox Machine Tap M14 x 2 VAPO

Professional M14 x 2 Speedtap-Inox machine tap manufactured from HSSE-V3, featuring 40° spiral-fluted geometry, ISO2 (6H) thread tolerance, short C chamfer and VAPO surface treatment for precision tapping of metric ISO threads in blind holes.

The Maykestag Code 4657 Speedtap-Inox is a precision spiral-fluted machine tap developed for producing metric ISO internal threads, with particularly strong suitability for stainless steels and a broad range of conventional steels. The 40° spiral flute geometry directs chips back towards the entrance of the hole, making the tap especially suitable for blind-hole applications where controlled chip evacuation is essential. This M14 version produces an M14 x 2 thread to ISO2 (6H) tolerance and is manufactured to DIN 376.

What is a spiral-fluted machine tap? A spiral-fluted tap has helical flutes that lift chips upward and out of the hole as the thread is formed. This makes the geometry particularly useful for blind holes, where chips cannot simply continue through the bottom of the workpiece. The 40° spiral angle of the Maykestag Speedtap-Inox Code 4657 promotes efficient chip evacuation and helps reduce chip packing during machine tapping. Product highlights

• Speedtap-Inox design: Professional machine tap geometry developed for reliable thread production, with excellent catalogue suitability ratings for stainless steels.
• M14 x 2 metric thread: Produces standard metric ISO M14 threads with a 2mm pitch.
• HSSE-V3 cutting material: High-performance high-speed steel grade selected for demanding professional tapping applications.
• 40° spiral flutes: Helical flute geometry draws chips back towards the hole entrance, making the tap particularly suitable for blind holes.
• VAPO surface treatment: Vapour-treated surface helps retain cutting lubricant and reduces the tendency for workpiece material to adhere to the cutting surfaces.
• ISO2 (6H) tolerance: Produces standard 6H tolerance internal metric threads.
• C chamfer: Short 2–3 pitch chamfer geometry suited to blind-hole tapping applications.
• DIN 376: Manufactured to the specified dimensional standard for machine taps.
• Four-flute design: The M14 tap uses four flutes for cutting and chip evacuation.
• Blind-hole capability: Maykestag specifies the Code 4657 series for thread depths up to ≤2.5 x d1.

Why Choose Maykestag?

Maykestag is an Austrian cutting-tool brand specialising in precision tools for professional machining and thread production. With taps, accurate geometry, controlled tolerances, flute design and cutting material all have a direct influence on thread quality, chip evacuation and tool life.

The Code 4657 Speedtap-Inox series combines HSSE-V3 cutting material, a 40° spiral flute, C chamfer and VAPO surface treatment. This combination is designed for dependable blind-hole tapping while providing particularly strong performance across stainless steels and a wide range of general steels.

Designed for Controlled Blind-Hole Tapping

Blind-hole tapping places particular importance on chip control because the chips cannot pass through the opposite side of the workpiece. The 40° spiral flutes of the Speedtap-Inox direct chips back towards the entry of the hole, helping keep the cutting zone clear. Combined with the short C chamfer and VAPO-treated surface, this geometry supports controlled cutting, reliable thread formation and efficient lubrication when the correct cutting speed, tapping lubricant and machine conditions are used.