Vastar Step Drill Bit Set - 6 Pieces Titanium Step Drill Set with Automatic Center Punch in A Canvas Bag, High Speed Steel Step Drill Kit Total 50 Sizes

The Vastar compact set replaces 50 individual drill bits 5 pieces of Step Drill Bits which includes one 1/8"- 1/2"(13 Steps), one 3/16"- 1/2"(6 Steps), one 1/4"- 3/4"(9 Steps), one 1/4" to 1-3/8"(10 Steps), and one 3/16" to 7/8"(12 Steps). Two-fluted design can provide faster and smoother cutting, 3-sided shank design prevents slip in drill chuck.

Vastar Automatic Center Punch:

Before starting drilling and screwing, the Automatic Center Punch can be used to mark hole locations to avoid slipping while using the drill. It features a heat-treated alloy steel punch with a sharp precision tip and a corrosion-resistant brass body with non-slip knurled grip.

Note:

Cold water and coolant can increase the service life.

It is recommended to apply oil to the drill bit before each use.

The thickness of the sheet to be holed must be less than the height of the step drill.

Check the concentricity of the spindle and collet chuck and the clamping force of the collet chuck.

Do not use excessive drilling speeds to avoid damage to the cutting edge.

Package included:

5 x Vastar Step Drill Bit

1 x Vastar Automatic Center Punch

1 x Vastar Canvas Bag

Warranty:

18-month warranty. For any question, please feel free to contact us. We will get back to you within 24 hours.