Specifications: 100pcs/set (50pcs silver HSS drills + 50pcs titanium-coated gold drills), diameter range 0.3-3.0mm, ideal for precision drilling, Choose the right bit size for your hole and material; It is recommended to use titanium-coated drill bits for metal processing, and silver-colored drill bits for wood or plastic processing.
Material: High-Speed Steel (HSS), titanium-coated version for enhanced wear resistance and longer service life
Applications: Fine drilling for jewelry, pearls, wood, plastic, thin metal, and other craft materials