The Tungsten carbide Hole Saw are made of alloy steel with a sharp drill,so the hole saw will opens more evenly and smoothly,improve the trepanning speed
These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp
These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp
Carbide Grit w/Backing Pad & Arbor Attachment. Use with a drill on backing pad for stripping, sanding and finishing of bare or painted wood, chipboard & construction material.