Read more MIDO Professional Abrasive's titanium drill bits have a titanium coating that provides longer life when drilling in non-ferrous metals. These bits are also suitable for drilling in wood and plastic and are ideal for commercial and residential applications. The speed tip design reduces walking on start, and the no-spin keeps the bit secure in the drill. Includes 14 bits sized from 1/16 to 1/4-inch. WHY CHOOSE US 135°Split Point with straight shank prevents walking and makes drilling precise. No center punch is needed. Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness, chatter-free design . Fully Ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance This drill bit set comes with an organized holder for storage and organization . With a specific spot on each bit’s shank, it is easy to find what you need or see what you are missing in this drill bit set Read more Read more Read more READ WARM TIPS BEFORE USE Control Speed and Pressure When using bits with a power drill, it's recommended to use them with low speed and drilling pressure The thicker the bits is, the slower speed and pressure should be taken Stay Cool Friction will accumulate heat between bits and the work piece Pay attention to the heat, add water or coolant if necessary. Be Vertical Keep the drill bits vertica l to the object when drilling. Be sure to make both bit and work piece stable. Tilted bit is prone to break Right Drilling Device To avoid breaking, 1/16” and smaller bits are suggested to be used with a pin vise Thick metals are recommended to be drilled with drill press , which is more stable and adjustable To have the best performance, you shouldn't drill deeper than 1/2 of the drill bits' fluting length Read more MORE SPECIALIZED USING SUGGESTIONS