Precision Clean Drilling  7Pcs Tungsten Steel Serrated Drill Bit Set

Tackle tough masonry, glass, and tile projects with absolute speed and zero cracking using our 7-Piece Four-Blade Serrated Eccentric Drill Bit Set! Engineered for tradesmen and DIY home renovation projects, these heavy-duty drill bits eliminate slipping and wandering when starting holes in delicate materials like porcelain, ceramic, mirror glass, and marble.

As shown in image_2ef29b.jpg, each bit features a tungsten carbide four-blade serrated tip designed for rapid chip clearance and fast dry drilling without requiring continuous water cooling. The standard 1/4-inch hex shank locks securely into impact drivers, quick-change chucks, and hand drills for maximum power transfer.

Key Performance Features

• Four-Blade Serrated Eccentric Tip: Spearhead cross-tip blade design locates starting points instantly without wandering or cracking surrounding tiles.

• Industrial Tungsten Steel Alloy: Ultra-hardened tungsten carbide head provides exceptional wear resistance, heat tolerance, and impact durability.

• Dry Drilling Capability: Advanced heat dissipation spiraling allows efficient dry drilling through tiles, marble, and brick without requiring constant water lubrication.

• Universal 1/4" Hex Shank: Fast, non-slip locking shank fits all standard cordless drills, impact drivers, and quick-release bit chucks.

• Multi-Material Versatility: Smoothly penetrates ceramic tiles, porcelain, glass, mirrors, plastic, wood, marble, and soft brick walls.

 Complete Item Specifics Table

eBay Item Specific	Field Value
Type	Drill Bit / Masonry Bit / Tile & Glass Drill Bit Set
Drill Bit Type	Four-Blade Serrated Eccentric Cross Bit
Material	Tungsten Carbide / Alloy Steel
Shank Type	1/4 in Hex Shank
Application	Ceramic Tile, Glass, Mirror, Plastic, Wood, Brick, Marble
Suitable For	Cordless Drill, Impact Driver, Hand Rotary Tool
Number of Pieces	7 Pcs Bit Set
Features	Serrated Edge, Fast Positioning, Dry Drilling, Chip Removal Flutes
Colour	Silver / Chrome (As shown in image_2ef29b.jpg)
Department	DIY, Hardware, Tools, Construction
Manufacturer Warranty	1 MONTH
Items Included	7x Tungsten Steel Serrated Drill Bits (Assorted Sizes)
Country/Region of Manufacture	China