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Carbide Core Bit, 4" Dia. X 22" L, SDS Max, Dry Application, 17" Drilling Depth

  • Item # 3AB28
  • My Part #
  • Mfr. Model # DW5925
  • Catalog Page # 714
  • UNSPSC # 20121607
Carbide Core Bit, 4" Dia. X 22" L, SDS Max, Dry Application, 17" Drilling Depth close

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  • Shipping Weight 5.3 lbs.
Country of Origin Germany Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • Item Core Bit
  • Core Bit Cutter Material Carbide
  • Bit Dia. 4"
  • Drilling Depth 17"
  • Overall Length 22"
  • Shank Shape SDS Max
  • Wet or Dry Application Dry
  • For Use With Hammer Drill
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Customer Reviews

4 In D x 22 In L SDS Max Hammer Drill Core Bit is rated 4.0 out of 5 by 1.
Rated 4 out of 5 by from This is a core bit designed for hammer drills with an SDS-Max chuck. It is intended for dry cutting concrete and concrete block, and worked quite well, cutting clean holes in a filled concrete block wall in our control room. Unlike some core bits (diamond tipped models, for instance), this is intended to be used in a rotary hammer mode -- fortunate, since our particular Dewalt drill can't shut off hammer mode and just rotate.The useful length of the bit is 17 inches (the overall length is 22 inches, part of which winds up in the chuck), more than enough to get through even a thick wall. On the down side, the depth of the cutter portion itself is only 3"; you will have to drill a couple inches, break out the core piece with a hammer and chisel, and repeat the process until you get all the way through the material. It's tedious, but the relatively shallow depth probably helps prevent having the bit bind in the hole.The pilot drill bit unscrews easily, and I imagine it is available as a replacement part.All in all, this bit works quite well, despite the somewhat inconvenient stop-and-go process.
Date published: 2015-01-22
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