Surface treatment: Titanium

Material: High speed steel 4241

Packing: plastic bag

Usage: can be used for wood, plastic, aluminum, iron and other sheet drilling.

Specifications Size:

1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm,

4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm .