Extra Long 200mm High Speed Steel Drill Bits for Wood – Set of 8 Pieces with Diameters 4 to 10mm, 4mm Straight Shank

[8 Different Sizes]: The twist drill bits come in 8 diameters: 4, 4.2, 4.5, 5, 5.2, 6, 8, and 10 mm. Different hole sizes can meet your needs.
[High-Quality Materials]: Our twist drill bits are made of HSS 4241 high-speed steel, with complete milling technology, resulting in high hardness and durability.
[Extra-Long]: The extra-long cutting edge, with a total length of 200 mm, allows you to use these drill bits for drilling deep holes.
[Advantages]: Precise positioning, fast cutting speed, strong chip removal capacity, and good wear resistance make drilling easier and simpler.
[Wide Applications]: The drill bits HSS bits are suitable for drilling cast steel, spring steel, mild steel, carbon steel, angle iron, aluminum, copper, wood, stainless steel from 1 to 4 mm thick, and other castings, as well as various other materials.