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Model#: DEWND51850

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Dewalt D51850 20 Degree 3-1/2 in. Full Round Head Framing Nailer

  • Dewalt D51850 20 Degree 3-1/2 in. Full Round Head Framing Nailer
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  • Optimized power design generates power for the toughest applications and delivers less air consumption
  • Unique engine design generates power to bury nails in both standard framing lumber and engineered lumber with minimal recoil
  • Tool-free adjustable depth allows for quick and easy depth of drive setting
  • Dry fire lockout extends bumper life by preventing the tool from actuating when magazine is empty
  • Adjustable rafter hook allow users to hang the tool while its not in operation
  • Trigger lock-off allows trigger to be disabled when not in use
  • Wear guards provide protective to the tool and increase jobsite durability
  • Contact trip provides aggressive bite for easier toe-nailing applications
  • This item may ship in the original manufacturer's packaging.
  • 20 Degree 3-1/2 in. Full Round Head Framing Nailer - D51850
  • Safety Glasses
  • Replacement Bump Trigger


Length: 21.25 in.
Height: 14.25 in.
Weight: 8.2 lbs.
Air Inlet Size: 1/4 in.
Depth of Drive: Adjustable
Dry Fire Lockout: Yes
Fastener Capacity: 65
Fastener Collation: Plastic
Fastener Type: Full Round Head Framing Nails
Firing Modes: Contact / Sequential Actuation
Fitting Type: NPT
Jam Clearance: Latch
Lubrication: Oil-Lube
Magazine Angle: 20 Degrees
Magazine Type: Bottom Loading
Max. Fastener Length: 3-1/2 in.
Min. Fastener Length: 2 in.
Operating Pressure - PSI: 70 - 120
Tip Style: Aggressive


  • Framing
  • Sheathing
  • Decking
  • Fencing
  • Reviews

    Product Reviews

    Questions & Answers

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    Get answers from real customers and in-house experts with AnswerBox.

    2 Questions | 2 Answers
    Displaying questions 1-2
    • 20 Degree 3-1/2 in. Full Round Head Framing Nailer


      how do I clear a nail jam?
      Asked on 10/20/2015 by n/a from Los Angeles, CA

      1 answer

      • Staff Reviewer


        For technical assistance, please call Dewalt directly at 1-800-433-9258

        Answered on 10/27/2015 by Ray from Atlanta
    • 20 Degree 3-1/2 in. Full Round Head Framing Nailer


      How often and where to oil the nailer?
      Asked on 9/5/2014 by Exhuaker87 from California

      1 answer

      • Staff Reviewer


        The answer is based on the usage. Please refer to your manual for specific instructions.

        Answered on 3/13/2015 by Ray from Atlanta
    Displaying questions 1-2

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    Most DEWALT® Tools purchased on or after January 1, 2004 come with a warranty package that includes:

    Three-Year Limited Warranty. DEWALT will repair, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase. This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit or call 1-800-4-DEWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. This warranty gives you specific legal rights and you may have other rights which vary in certain states or provinces.

    One-Year Free Service Contract. DEWALT will maintain the tool and replace worn parts caused by normal use, for free, any time during the first year after purchase.

    90-Day Money Back Guarantee. If you are not completely satisfied with the performance of your DEWALT Power Tool, Laser, or Nailer for any reason, you can return it within 90 days from the date of purchase with a receipt for a full refund - no questions asked.