When.com Web Search

  1. Ads

    related to: core drills for concrete

Search results

  1. Results From The WOW.Com Content Network
  2. Core drill - Wikipedia

    en.wikipedia.org/wiki/Core_drill

    Truck-mounted core drill. A modern core drill is a drill specifically designed to remove a cylinder of material, much like a hole saw. The material left inside the drill bit is referred to as the core. Core drills used in metal are called annular cutters. Core drills used for concrete and hard rock generally use industrial diamond grit as the ...

  3. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal. An annular cutter, named after the annulus shape , cuts only a groove at the periphery of the hole and leaves a solid core or slug at the center.

  4. Core sample - Wikipedia

    en.wikipedia.org/wiki/Core_sample

    Rock core samples, the product of a diamond rig. A pied butcherbird perches nearby. A core sample is a cylindrical section of (usually) a naturally-occurring substance. Most core samples are obtained by drilling with special drills into the substance, such as sediment or rock, with a hollow steel tube, called a core drill. The hole made for the ...

  5. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    This core drill bit is solid. These core drill bits are similar in appearance to reamers as they have no cutting point or means of starting a hole. They have 3 or 4 flutes which enhances the finish of the hole and ensures the bit cuts evenly. Core drill bits differ from reamers in the amount of material they are intended to remove.

  6. Bore Holes in Concrete, Wood, and Plastic With the Best ...

    www.aol.com/lifestyle/best-cordless-drills...

    For premium support please call: 800-290-4726 more ways to reach us

  7. Hole saw - Wikipedia

    en.wikipedia.org/wiki/Hole_saw

    By breaking the core off from time to time and using a shank extension, a diamond core drill can drill to depths many times its length. [4] Saw teeth are used for most materials, such as wood, plastic, soft plaster, and metal. Diamond hole saws are used to bore holes in brick, concrete, glass, and stone.

  1. Ads

    related to: core drills for concrete