New Four-Flute Sawtooth Eccentric Drill Bit, High-Strength Four-Edged Serrated Eccentric Twist Drill Bit, Multifunction Drill Bit Set for Concrete Tile Ceramic Wood (5*2/6*4/8*2/10/12,Silver)

New Four-Flute Sawtooth Eccentric Drill Bit Specifications: Material: High-Speed Steel With Titanium Coating Size: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Color: Silver, Brass Recommended Speed: 800-1000rmp This drill features a four-flute eccentric bit design that provides better stability during use, significantly reduces drag and provides superior rhinestone effects for improved accuracy and processing efficiency Recommended Usage Use the drill at a low speed, first press lightly to locate the drilling position, slowly-accelerate the drilling speed of the electric drill to start drilling, and when drilling 1/2 of the object, lift the electric drill and continue drilling deeper, which is conducive to heat dissipation and chip removal, and improves the service life of the drill bit. NOTES: When processing high-hardness materials, we recommend adding water cooling to increase the service life of the drill bit. It is not recommended to use lithium electric drills below 24V

• Four-edge Serrated Eccentric Drill: The four-edge serrated eccentric drill is designed to have more stable positioning and less resistance. The hexagonal handle design ensures tighter drilling and safer use. It can achieve seamless drilling and tapping, significantly improving project efficiency.
• High-Strength Structure: New four-slot serrated eccentric drill bits are made of high-quality alloy steel, with excellent durability and sharpness, ensuring a long service life for all your drilling needs
• Unique Thread Cutting Capability: With a unique thread cutting design, this set allows for precise positioning, providing clean, smooth threads, reducing the need for additional tools or steps
• Wide Compatibility: Versatile and practical, this eccentric drill bit set is compatible with a variety of materials including metal, wood, and plastic, providing you with versatility for different applications
• Multiple Size Options: This set is available in a variety of sizes and colors to provide the perfect drill bit for any job, you can use the right drill bit to handle any task, big or small