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HSS Step Drill Bit with Spiral Flute

2025-04-13 introduction 4380
HSS-STEP DRILL
Non-Customized
DIN
Step Drill
High Speed Steel
Metal Drilling
Grind White or Coating
3 Flatten Shank or Hex Quick Change Shank
Spiral Flute
ACTOOL
Tube
4-12, 4-20, 4-30mm etc
China
8207509000
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