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SG Spiral Taps Burrless / SG Spiral Taps Burrless Left Hand Helix

Zero burr with cutting the internal diameter area on internal thread

S-edge (Shaving edge)

  • No gap between thread root area of tap and pre-hole design acheves Zero burr!
  • G-chamfer (Guide chamfer)

  • Chamfered rake face reduce the chipping of cutting edge by chip biting