• HSS spiral flute tap for blind hole threading in steel, stainless steel, aluminum, and copper materials

HSS Spiral Flute Tap HSSE Blind Hole Flute Tap for Steel Stainless Steel Aluminum

  • Brand: Bwin
  • Customized Support: OEM, ODM
  • Material: 6542(M2), M35, M42
  • Standard: ISO, DIN371, DIN376, JIS, UNC/UNF/UNEF/NTP
  • Color: Silver, black, yellow
  • Coated: TiN, Nitriding coating, uncoated
  • Shank Type: Round handle + Square handle
  • Package: ≤M12 10pcs/box, M14-M20 5 pcs/box, ≥M24 1 pcs/box
  • Applicable Materials: Steel, stainless steel, copper, aluminum, etc.
  • Country of Origin: China

The spiral flute tap delivers precise internal threading and stable cutting performance in blind hole applications. Its helical flute tap geometry pushes chips upward smoothly during machining, so operators can maintain cleaner holes and reduce chip accumulation inside the workpiece. In addition, the sharp cutting edge improves thread accuracy and supports efficient tapping at higher speeds.

This hss spiral flute tap uses high speed steel and HSSE materials to achieve strong wear resistance and long service life. Furthermore, the optimized flute angle improves chip evacuation and lowers cutting resistance during threading operations. Users can machine carbon steel, stainless steel, aluminum, copper, and alloy materials with consistent performance and clean thread finishes. The blind hole flute tap structure especially suits deep hole and enclosed hole machining where chip control plays an important role.

Moreover, manufacturers and CNC workshops can use these hsse spiral flute taps on machining centers, CNC lathes, drilling machines, and automatic tapping equipment. The tool supports stable cutting in batch production and precision machining environments. Operators can choose different sizes and thread standards according to various industrial threading requirements. This spiral flute tap helps increase machining efficiency, improve thread quality, and extend tool life in demanding metalworking applications.

Bwin Blind Hole Tap Specifications:

Model L L1 d a Bottom Hole
M2x0.4 45.0 7.0 3.0 2.5 1.6
M2.5×0.45 49.0 8.0 3.0 2.5 2.1
M3x0.5 49.0 9.0 4.0 3.2 2.5
M3.5×0.6 52.0 13.0 4.0 3.2 2.9
M4x0.7 56.0 11.0 5.0 4.0 3.3
M5x0.8 64.0 13.0 5.5 4.5 4.2
M6x1.0 66.0 15.0 6.0 4.5 5.0
M8x1.25 70.0 16.0 6.2 5.0 6.8
M10x1.5 75.0 20.0 7.0 5.5 8.5
M12x1.75 82.0 22.0 8.5 6.5 10.3
M14x2.0 88.0 30.0 10.5 8.0 12.0
M16x2.0 95.0 32.0 12.5 10.0 14.0
M18x2.5 100.0 37.0 14.0 11.0 15.5
M20x2.5 100.0 37.0 15.0 12.0 17.5
M22x2.5 115.0 38.0 17.0 13.0 19.5
M24x3.0 120.0 45.0 19.0 15.0 21.0
Note: All specs can be customized. For more information, please contact us at any time.
Bwin offers a wide variety of high-quality CNC spare parts, including carbide end mills, carbide inserts, turning bar tools, face milling tools, hole drilling tools, thread tapping tools, carbide burrs, tool holders, machine vises, live centers, chucks, CNC angle heads, carbide saw blades, clamping kits, as well as brand-name carbide inserts.
In addition, we provide the best parts support to keep your machines and business running smoothly.

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