[1]: APPLY TO - Jobber twist drill bits are essential tools for household DIY projects because of their simple design and user-friendly operation, making them suitable for non-professional users to get started quickly. They are suitable for drilling various metals, including stainless steel, iron, aluminum, and copper, and are also effective for drilling wood and plastic materials. [2]: SPECIFICATION - The drill bit has a cutting diameter of #55 (1.321mm), a shank diameter of #55, a flute length of 22mm/0.87 inch, an overall length of 48mm/1.89 inch, and a 135° point tip. [3]: INSTRUCTION - Set the suitable speed according to the material's hardness and the drill bit diameter. Higher speeds can be used for softer materials, while lower speeds should be applied for harder materials. Please refer to the details provided on the product page. [4]: ADVANTAGE - The M2 High-Speed Steel (HSS) drill bit is suitable for drilling a variety of metals, including stainless steel, iron, aluminum, and copper. Its high hardness and wear resistance enable outstanding performance when machining harder materials. Gold Finish can further enhance the drill bit's wear and corrosion resistance, thereby extending drill bit's service life. [5]: QUANTITY INCLUDED - Set contains 12pcs x #55 twist drill bits, perfect for home use, repairs, and small manufacturing projects. (Notice: The use of coolant during the drilling process effectively reduces temperatures, extends tool life, and improves machining results.) APPLY TO - Jobber Twist Drill Bits have become essential tools for household DIY projects due to their simple structure and user-friendly operation, making them suitable for non-professional users to get started quickly. Applications include furniture assembly and modification, wall-mounted decorations, metal/plastic parts processing, and gardening and repairs.

SPECIFICATION:
-Cutting Edge Diameter: #55 (1.321mm)
-Cutting Edge Length: 22mm/0.87 inch
-Total Length:48mm/1.89 inch
-Point Tip: 135°;

QUANTITY INCLUDED - Set contains 12pcs x drill bits

ADVANTAGE
- The M2 High-Speed Steel (HSS) drill bit is suitable for drilling a variety of metals, including stainless steel, iron, aluminum, and copper. Its high hardness and wear resistance enable outstanding performance when machining harder materials.. Gold Finish can further enhance the drill bit's wear and corrosion resistance, thereby extending drill bits' service life.

EXPLAIN - The use of coolant during the drilling process effectively reduces temperatures, extends tool life, and improves machining results.