Made of HSS 4241 with titanium coating, high hardness, and abrasion resistance.
Mainly used for processing wood, plastic, angle iron, aluminum alloy, and other thin soft metal materials. Not suitable for high-hardness materials, like glass, ceramic, or stainless steel.
Ideal for DIY projects and household maintenance and repair.
1mm and 1.5mm bits should be used with a pin vise to avoid drill bit break, 2mm to 3mm bits can be used with a rotary tool, and please use them with low speed and drilling pressure.