Carbide Tipped Universal Drills are designed with a diamond ground special drill point for multi-purpose drilling. It is highly effective for drilling hard metals and alloys, reinforced concrete, stone, tile, ceramics, marble, granite, glass, hard and soft woods, plastics and many other difficult materials. Often used to drill out broken taps and hardened bolts. They are also known as Carbide Tipped Multi-Purpose Drills or Carbide Tipped Utility Drills.
Carbide Tipped page 136

HOW TO USE UNIVERSAL DRILLS
HARDENED STEEL & CAST IRON CONCRETE & GRANITE CERAMIC TILE & MARBLE PORCELAIN & BAKED CERAMIC GLASS, CRYSTAL & MIRROR WOODS & PLASTICS
Drilling Hardened Steel Drillinf Concrete and Granite Drilling Ceramic Tile and Marble Drilling Porcelain and Baked Ceramic Driling Glass, Crystal and Mirror Drilling Woods and Plastics
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