7Pcs Ultimate Drill bits£¬Carbide Drill bit Set, Masonry bit bit with Tungsten Carbide Drill bit, Drilling and Punching Work kit for Ceramic Tile, Concrete, Brick, Glass, Plastic and Wood Winbomgo No chemical coating

No chemical coating

Static Elongation: 9%

【Superior Adhesion

Brand: Soda Sense

Backed by a lifetime guarantee

7Pcs Ultimate Drill bits£¬Carbide Drill bit Set, Masonry bit bit with Tungsten Carbide Drill bit, Drilling and Punching Work kit for Ceramic Tile, Concrete, Brick, Glass, Plastic and Wood Winbomgo No chemical coatingAbout this item HIGH QUALITY MATERIAL: 6542 HSS hard alloy and durable alloy can prevent the drill bit from cracking, and has The fixed head can prevent the drill bit from cracking and extend its service life. WIDE RANGE OF USES: solid carbide tip, with spear tip design, can easily drill through various materials, Such as tiles, concrete, bricks, glass, plastic, wood, etc. EASILY REMOVE CHIPS: U shaped groove design provides low resistance for faster