120pcs Six Sizes HSS Drill Bits 1/1.5/2/2.5/3/3.5mm Drill Bit Set Metal Drilling

Label:Yes [Sharp & Self Centering Design] The twist design allows easy self centering and helps reduce walking during drilling. All bits have a smooth surface without burrs for clean cuts. [High Speed Steel with Ti Coating] Made of high speed steel with a titanium coating, these bits offer impressive hardness and consistent performance, easily penetrating metal, hardwood. [120 Piece Assorted Set] Includes 120 drill bits in 6 different lengths: 30 mm, 40 mm, 45 mm, 55 mm, 65 mm, and 70 mm, providing an ample quantity for regular replacement needs. [Wide Material Compatibility] Suitable for drilling cast iron, copper, aluminum and wood, delivering strong and reliable drilling power. [Versatile Applications] A practical choice for automobile spring steel, mold steel drilling, DIY projects, household tasks, and general construction or engineering work.

Item Type: Twist Drill Bits Specification: Material: High Speed Steel (HSS) Color: Multicolor Approx. 1 x 30mm / 0.04 x 1.18in(20pcs) 1.5 x 40mm / 0.06 x 1.57in(20pcs) 2 x 45mm / 0.08 x 1.77in(20pcs) 2.5 x 55mm / 0.1 x 2.17in(20pcs) 3 x 65mm / 0.12 x 2.56in(20pcs) 3.5 x 70mm / 0.14 x 2.76in(20pcs) Package List: 120 x Twist Drill Bits Note: Length dimension error ±2%.