99PCS Drill Bit Sets

🔫【Premium HSS Titanium Coating】 This drill bit set is made of High-Speed Steel, surface of drill tools is titanium coated. it contains 𝟗𝟗𝐏𝐂𝐒 total quantity and 𝟏𝟒 𝐒𝐢𝐳𝐞𝐬: 𝟏.𝟓/𝟐.𝟎/𝟐.𝟓/𝟑.𝟎/𝟑.𝟐/𝟑.𝟓/𝟒.𝟎/𝟒.𝟓/𝟓.𝟎/𝟓.𝟓/𝟔.𝟎/𝟔.𝟓/𝟖.𝟎/𝟏𝟎𝐦𝐦. Enough quanty drills meet your need and regular replacement. Applicable equipment: drilling machine, bench drill, electric drill, not for impact drilling. (⚠️Because the speed of the hand drill is too fast, please adjust the speed to 100-1000r/min when drilling.), 🔫【Specialty】The 𝟏𝟑𝟓° 𝐟𝐚𝐬𝐭 𝐜𝐮𝐭𝐭𝐢𝐧𝐠 𝐩𝐨𝐢𝐧𝐭 is automatically centered and penetrates quickly with less pressure,Extremely high hardness, in the drilling work has excellent processing performance, All grinding sharp ligament sticky milling work hole smooth no burr. Come in a plastic case, easy to store and carry., 🔫【Professional & DIY Use】Good choice For DIY, Home, and General Building / Engineering Using. With good toughness of materials, wear-resistance, drilling ability, this drill bit set apply for wood, plastic, thin iron plates, aluminum alloy, copper and other soft metals within 10mm thickness. ❎ NOT for High Hardness Metal, Stainless Steel, Glass, Ceramic, Concrete or Masonry drilling., 🔫【Durable Material】The function of Titanium is to enhance the surface hardness of the drill to improve machining accuracy and improve the quality of the surface of the drill to reduce the friction coefficient with the workpiece processing, titanium and improve temperature resistance and wear resistance, thereby increasing the processing speed for high-speed processing.(⚠️When using high hardness materials,Need to add water to cool.), 🔫【100% Reliable After-Sales Service】Please pay attention to the operation and usage. The drill bit is heavy, and the plastic box is easily damaged during transportation. If you have any questions, please feel free to contact us, and we will try our best to solve it for you.