SYGA 50Pcs Twist Drill Bit Set, Titanium Coated High Speed Steel, Mini Drill Bit, Micro Precision 1/1.5/2/2.5/3mm Drill Tool - Product Features
- High Speed Steel: high hardness, good wear resistance and durability.
- Surface Titanium Coated: Increase the HARDNESS of the drill bit, Strengthen heat dissipation, make bit more WEAR-RESISTING.
- Easy to Removal Chip: spiral grooves with an oxide coating for quick removal.
- High Quality: suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics.
- 50 Pcs & 5 Sizes: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, there are 10pcs of each size, total quantity is 50pcs.