ITEM NAME:50X HSS Metric Drill Bit Set Titanium Coated Twist Drills Metal Wood 1-3mm New Descriptio n 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. Honesty is gold for all! 50pc HSS Metric Drill Bit Set Titanium Coated Twist Drills Metal Wood 1-3mm