Unique Bargains 13 Pcs HSS Hex Shank Twist Drill Bit Set, Quick Change Titanium Coated 1/4 Inch Hex Shank 1.5mm-6.5mm Drilling Dia a21012700

Package Content: 1 Set x HSS Hex Shank Twist Drill Bits(1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm, total of 13pcs) Material: Twist Drill Bit Set made of High Speed Steel, high hardness, good wear resistance and durability Surface Treatment: This HSS Drill Bits surface Titanium coated, which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life Application: Suitable for drilling holes in alloy steel, wood, nonfe