4pcs HSS Spiral Grooved Step Drill Bit 3-12/4-12/4-20/4-32mm Step Drill

Material: HSS High Speed Steel

Pattern: Gold
Shank: 1/4" Hex
 

The Cutters Come in The Sizes: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm)

Length approx: 10.3cm/ 4.02"
 

The Cutters Come in The Sizes: 4-12mm ( 4mm, 6mm, 8mm, 10mm, 12mm )

Length approx:  7.7mm / 2.64"
 

The Cutters Come in The Sizes: 4-20mm ( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm ,16mm, 18mm, 20mm)

Length approx:  7.7cm / 2.95"
 

The Cutters Come in The Sizes: 3-12mm (3mm, 4mm, 5mm, 6mm,7mm, 8mm, 9mm, 10mm, 11mm, 12mm)

Length approx:  6.8cm / 3.07"

 

It is a great helper for carpenter.

Ideal for use in 25 ° below the workpiece, such as carbon steel, iron, steel.

Made of steel material and with the titanium coated to reduce friction and heat.

Automatically deburrs holes as you drill. Two-flute design gives you faster, smoother cutting.

Suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.

Unique step structure, a drill can open a variety of specifications size aperture, a ladder drill can replace a box of drill.

 

 

Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.

Please understand that colors may exist chromatic aberration as the different placement of pictures.