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3pcs Metric Straight Flute HSS Step Drill Bit sets
1. M2, M35 are available
2. 3PCS step drill set in wooden box
3. For all materials in sheet
4..Wall thickness up to 4mm
For drilling in sheet, pipes and workpieces
1. No Centering required, the drills do not run off center.
2. A variety of hole diameters can be drilled using only one tool, and the tool can display the dimensions.
3. The dimension of drilled hole is exact.
4. Holes are de-burred by the following level, and cylindrical bores are produced.
5. Even very thin-walled materials can be drilled.
3 PCS STEP DRILL SET in Wooden Box / 3pcs HSS step drill bit set
Size : 1. 4-30mm, 6-20, 4-12mm
2. 4-32mm, 4-20mm, 4-12mm
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