1Pcs Cobalt Step Drill Bits HSSCO M35 TiAIN Spiral Straight Grooved Hex Quick Change Shank Stainless Steel Hole Cutter(TiAIN Type 2,5-21mm(9 Steps))

EDWREGIGDrill Bits【See the second picture of the variant for detailed parameters】【See the second picture of the variant for detailed parameters】Cobalt Step Drill Bits HSSCO M35 TiAIN Spiral Straight Grooved Step Sizes:3-14mm: 12 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm)4-12mm: 5 steps (4mm, 6mm, 8mm, 10mm, 12mm)4-12mm: 9 steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)4-20mm: 9 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)4-22mm: 10 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm)5-21mm: 9 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm)5-27mm: 12 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, 27mm)Type 2(Shank: Straight-Round, Flute: Spiral)Step Sizes:4-12mm: 5 steps (4mm, 6mm, 8mm, 10mm, 12mm)4-12mm: 9 steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)4-20mm: 9 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)4-22mm: 10 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm)5-27mm: 12 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, 27mm)Type 3(Shank: Hex-Dual R, Flute: Spiral)Step Sizes:3-13mm: 11 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)6-25mm: 10 steps (6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm)6-35mm: 13 steps (6mm, 8mm, 10mm, 12mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 32mm, 35mm)Type 4(Shank: Straight-Round, Flute: Straight)Step Sizes:4-12mm: 5 steps (4mm, 6mm, 8mm, 10mm, 12mm)4-12mm: 9 steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)4-20mm: 9 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm)4-22mm: 10 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm)5-35mm: 13 steps (5mm, 7.5mm, 10mm, 13mm, 16mm, 19mm, 21mm, 23mm, 26mm, 29mm, 31mm, 33mm, 35mm)

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