Drill Bit 3D Carbide Bits 3-12mm Internal Cooling Drill Spiral Twist Drill Bit Blue Coating Hole Drill for Metal 1Pcs (Color : 4.7x6x26x66L)

Gun Drill BitsDrill Bit 3D Carbide Bits 3-12mm Internal Cooling Drill Spiral Twist Drill Bit Blue Coating Hole Drill For Metal 1PcsSpecification:Type: 3xD Tungsten Steel Drill BitMaterial: Tungsten SteelCoating: Blue CoatingCutting Diameter:3.3-12.0mmPackage Including:1pc 3xD Tungsten Steel Drill Bit

• Gun Drill Bits
• Feature:
• 1.Using tungsten steel base material, it has higher wear resistance and red hardness
• Strong high-speed drilling performance, high temperature resistance and anti-burning drill
• 2. High-strength and large-capacity spiral chip flutes, one-piece forming spiral, good general-purpose, durable
• 3. The large blade diameter design can greatly increase the stability and anti-vibration of the tool
• 4. coated cutting edge, effectively reducing the number of tool changes, saving time, effort and more efficient
• 5. Standard straight shank design, strong compatibility, tight occlusion, high bearing capacity and not easy to break