ITEM NAME:50pc HSS Metric Drill Bit Set Titanium Coated Twist Drills Metal Wood LZY Description Description: Name: A variety of high-speed steel titanium-coated twist drill bit Straight shank drill hand drill 50PCS round handle Dimensions: 1mm, 1.5mm, 2mm, 2.5mm, 3mm Color: gold Material: HSS 1. The straight shank twist drill is mainly composed of a handle and a working part. The guiding portion of the working portion serves as a guiding and grinding action, and the chip pocket is spiraled to facilitate the guiding of the chips. 2. HSS, also known as high speed steel, is a commonly used material for tooling tools. 3. It is suitable for drilling holes in angle iron, wood, plastic, aluminum alloy and other materials. Home is more suitable. Product Includes: 50PCS (1.0mm*10, 1.5mm*10, 2.0mm*10, 2.5mm*10, 3.0mm*10) Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality store for you! Twist drill.Material: HSS. HSS, also known as high speed steel, is a commonly used material for tooling tools. The straight shank twist drill is mainly composed of a handle and a working part. Twist drill. We'd like to settle any problem in a friendly manner.