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HSS-Co5 Spiral Flute Machine Tap and Drill Set M3-M12

HSS-Co5 Spiral Flute Machine Metric Coarse Tap and Drill Set

Best for tapping blind holes in low to medium hardness steels, stainless steels, aluminium, copper, titanium and nickel alloys.

Spiral Flute and Spiral Point machine taps are designed to evacuate chips from the hole and prevent the chip congestion that can occur with straight flute hand taps.

Spiral Flute taps are preferred for blind holes and work best on materials that generate long stringy chips allowing the flutes to pull the chips out the top of the hole.

They are less suitable when tapping materials that produce fragmented or powdery chips such as cast iron, brass, diecast aluminium, and may not properly eject the chips with the risk of flute packing and tap breakage.

  • 7 HSS-Co5 Spiral Flute Machine Taps: M3, M4, M5, M6, M8, M10 & M12
  • 7 HSS-Co5 Tapping Size Drills: 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, & 10.2mm (Split Point geometry from 3.3mm up)
  • HSS-Co5 (5% Cobalt)
  • 35° Helix Angle
  • Bright Finish
  • ISO529
  • 6H Tolerance
  • Rugged plastic storage case
Code Dia x Pitch Thread Length
Overall Length
Shank Dia.
060-082-00030 M3x0.5 11 48 3.15 2.5
060-082-00040 M4x0.7 13 53 4 3.15
060-082-00050 M5x0.8 16 58 5 4
060-082-00060 M6x1 19 66 6.3 5
060-082-00080 M8x1.25 22 72 6.3 6.3
060-082-00100 M10x1.5 24 80 8 8
060-082-00120 M12x1.75 29 89 9 7.1
Nominal Dimensions in mm

See also:

060-080-00006 HSS-Co5 Metric Spiral Flute Tap & Drill Set - 14pc - M3-M12 £44.40 Excl.VAT
£53.28 Inc.VAT