Material: High speed steel
Surface treatment: titanium coating.
Shank Size: 1/4" Hex shank
Includes 5 bit, 9 tier bit, and 10 bits
Quantity: 3 pcs
Three cutters are available in the following sizes: 4-12mm: 4mm, 6mm, 8mm, 10mm, 12mm
4-20mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm
3-12mm: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
Features: This is HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter made of high quality HSS steel and has a titanium coating to reduce friction and heat.
Very suitable for drilling holes in a variety of materials, such as steel, brass, wood, and plastic.
Package included: 1x Set (3 pieces) HSS Step Drill Bit