1. Material: Made of high-speed steel, with high hardness and wear resistance, not easy to break, these drill bits cut faster, and last longer.2. Instructions: In the drilling process, the appropriate use of cutting fluid or oil for cooling and lubrication, to extend the service life of the drill.3. Features: Can take into account a variety of models, hand drill, percussion drill, lithium drill, and bench drill can be adapted4. Use: for cutting through hard materials such as stainless steel, suitable for wood, malleable iron, aluminum, plastic, etc.5. Note: Use proper speed, pressure, and heat control when using these drill bits to maintain efficiency.
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