HSS Straight Groove Step Drill Bit Set Titanium Coated Wood Metal Hole Cutter

Specifications:

This compact set Step Drill Bits which includes one 4-12mm, one 4-20mm, and one 3-12mm. Two-fluted design can provide faster, smoother cutting.

Note: Before starting drilling and screwing, the Automatic Center Punch can be used to mark hole ions. It delivers an automatic, high-impact, spring-loaded strike when preed against wood, metal, and plastic surfaces. An adjustable cap regulates striking force. It features a heat-treated alloy steel punch with a sharp precision t and a corrosion-resistant bra body with non-sl knurled gr.

3 cutters come in the following sizes: 5 step drill bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm) 9 step drill bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 10 step drill bit: 3-12mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)

10 step drill bit: 4-22mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm)

11 step drill bit: 3-13mm (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm)

15 step drill bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

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Package:

1 cutters come in the following sizes:

1 x 3 PC HSS step drill or 1 x 1 PC HSS step drill

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