4-Flute Blade Serrated Eccentric Drill Bit Set – Titanium-Coated High-Hardness Four Edge Masonry & Metal Drill Bits for Stone, Glass, Concrete, Wood & Brick (3+4+5+6+7+8+10+12+14+16)
All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
High-Hardness Titanium-Coated Alloy: Crafted from premium tungsten-alloy steel with a titanium film finish, these 4-flute eccentric drill bits deliver exceptional wear resistance and heat dissipation for extended life in heavy-duty masonry, metal, and wood drilling.
4-Edge Serrated Eccentric Design: Innovative four-flute serrated edge combined with eccentric threading cuts clean, precise holes and threads in one pass—no reaming or tapping required and minimal chipping on hard surfaces like glass and tile.
Rapid Chip Removal & Cool-Down: Deep spiral grooves and serrated flutes efficiently evacuate debris and allow coolant flow, preventing clogging and overheating during high-speed drilling in concrete, brick, and stone.
Universal Compatibility & Secure Hex Shank: Standard hex shank fits most electric drills, impact drivers, and manual tools. Anti-slip design ensures stable torque transfer and precise positioning across a variety of materials.
Kit of 10 Sizes + Safety Gloves: Includes six high-performance drill bits (3mm. 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 14mm, 16mm) plus a pair of protective gloves—ideal starter set for professional contractors and DIY enthusiasts tackling diverse projects.
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