1. Metal knob

The commonly used materials for metal knobs include aluminum, copper, iron, stainless steel, etc. Knobs made of metal materials have a solid texture, rich texture, and high durability, and are usually used in fields such as mechanical equipment and electronic instruments. Different metal materials have different characteristics, such as aluminum being lightweight and easy to process, while stainless steel has advantages such as oxidation resistance and corrosion resistance.

2. Plastic knob

Knobs made of plastic materials are lightweight, easy to carry, and cost-effective, making them suitable for many fields. According to the type and formula of plastic, knobs can have different characteristics such as strength, hardness, wear resistance, and flame retardancy. Usually used in fields such as home appliances, toys, sports equipment, etc.

3. Rubber knob

Knobs made of rubber material are elastic, durable, and not easily deformed. It has anti slip and sound insulation properties, which are common in certain fields such as automobiles, motorcycles, household appliances, etc.