1. Product material: HSS + titanium plating.
2.60pcs twist drill size: 1.0mm x10pcs/1.5mm x 10pcs/2.0mm x10pcs/2.5mm x 10pcs/3.0mm x 10pcs/3.5mm x10pcs.
3. Product use: Can be used for carpentry, home standing, electronic product repair, can be drilled wood products, iron products, plastic products, circuit boards and so on.
4. Product features: This type of twist drill titanium plating style, size 1.0mm-3.5mm range, the product material is high speed steel, drill wear, strong drilling ability. Widely used in industrial electronics and homes, a wide range of uses.