When.com Web Search

  1. Ads

    related to: bit extension for cordless drill battery charger 12v heavy duty deep cycle marine battery
    • Special Sale

      Hot selling items

      Limited time offer

    • Best Seller

      Countless Choices For Low Prices

      Up To 90% Off For Everything

Search results

  1. Results From The WOW.Com Content Network
  2. This Compact DeWalt 12V Cordless Drill and Bit Set Is ... - AOL

    www.aol.com/lifestyle/compact-dewalt-12v...

    A cordless drill is an essential tool to have on-hand for DIY projects and home maintenance. This Compact DeWalt 12V Cordless Drill and Bit Set Is Perfect for Conquering DIY Projects—and It's 31 ...

  3. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    Twist drill bits are available in standard lengths, referred to as Stub-length or Screw-Machine-length (short), the extremely common Jobber-length (medium), and Taper-length or Long-Series (long). Most drill bits for consumer use have straight shanks. For heavy duty drilling in industry, bits with tapered shanks are sometimes used. Other types ...

  4. Drill - Wikipedia

    en.wikipedia.org/wiki/Drill

    High-Speed Drill Bits – these are drill bits made to be very strong and therefore are often used to cut metals; Spade drill Bits – spade-shaped drill bits used primarily to bore holes in softwoods; Hole Saw – a large drill bit with a jagged edge, ideal for cutting larger holes (mostly in wood).

  5. Bottom hole assembly - Wikipedia

    en.wikipedia.org/wiki/Bottom_hole_assembly

    Rotary assemblies [2] are commonly used where formations are predictable and the rig economics are an issue. In such an assembly the weight of the drill collars gives the BHA the tendency to sag or flex to the low side of the hole, collar stiffness length and stabiliser diameter and placement are engineered as a means of controlling the flex of the BHA.

  6. Hammer drill - Wikipedia

    en.wikipedia.org/wiki/Hammer_drill

    A corded hammer drill next to a drill bit and a chuck key A hammer drill , also known as a percussion drill or impact drill , is a power tool used chiefly for drilling in hard materials. [ 1 ] [ 2 ] It is a type of rotary drill with an impact mechanism that generates a hammering motion.

  7. Drill cuttings - Wikipedia

    en.wikipedia.org/wiki/Drill_cuttings

    Drill cuttings [1] are broken bits of solid material removed from a borehole drilled by rotary, percussion, or auger methods and brought to the surface in the drilling mud. Boreholes drilled in this way include oil or gas wells , water wells , and holes drilled for geotechnical investigations or mineral exploration.