HSS-TiN STEP DRILL BIT SET 3pcs 4-39mm/ WOODEN CASE

Made of HSS high speed steel, coated with titanium nitride (TiN).
Offer low friction and minimal wear.
Laser-engraved size marks allow to control the size of the hole during drilling.
Suitable for drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal.
All in a wooden case.

Technical data:
Diameter 1: 4-12 mm
Diameter 2: 4-20 mm
Diameter 3: 4-39 mm
Quantity: 3pcs
Shank: 8 mm
Weight: 0.475 kg