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GB/ISO Standard General HSSE Straight Flute Tap - M3 to M6x0.75

GB/ISO Standard General HSSE Straight Flute Tap - M3 to M6x0.75

GB/ISO Standard General HSSE Straight Flute Tap

High-speed steel extra (HSS-E) straight flute taps manufactured to GB/ISO standards. Available in both TiCN-coated and uncoated versions.

Specifications:

  • Material: HSS-E (High-Speed Steel Extra)
  • Standard: GB/ISO (Chinese National Standard / International Organization for Standardization)
  • Type: Straight Flute (Machine Tap)
  • Coating Options: TiCN or No-coated
  • Thread Standard: Metric M (F)
  • Thread Type: GB/T
  • Point Angle: 60°
  • Shank Type: 6HX (Hexagonal)
  • Chamfer: 2.5P

Available Sizes:

M3, M4, M5, M6, M3×0.35, M4×0.5, M5×0.5, M6×0.5, M6×0.75

Size Chart:

Size Pitch O.A. Length (L) Thread Length (l₁) Working Length (l₂) Shank ø (d₁) Square Size (k×lk) Drill ø
M3 0.5 48 7.5 19 3.15 2.5×5 2.5
M4 0.7 53 10.5 21 4 3.15×6 3.3
M5 0.8 58 12 24 5 4×7 4.2
M6 1 66 15 29 6.3 5×8 5
M3×0.35 0.35 48 7.5 19 3.15 2.5×5 2.7
M4×0.5 0.5 53 10.5 21 4 3.15×6 3.5
M5×0.5 0.5 58 12 24 5 4×7 4.5
M6×0.5 0.5 66 15 29 6.3 5×8 5.5
M6×0.75 0.75 66 15 29 6.3 5×8 5.3

Technical Notes:

  • Straight flute design for general purpose threading
  • HSS-E construction provides heat resistance and durability
  • TiCN coating option reduces friction and extends tool life
  • 6HX hexagonal shank for machine tap holders
  • Conforms to GB/ISO dimensional standards
  • 2.5P chamfer for machine tapping applications

Applications:

Suitable for machine threading operations in steel, stainless steel, cast iron, and non-ferrous metals.

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