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DEWALT DCN660N 2nd Fix Nailer: Reliable 18V Brushless Performance

Dewalt DCN660N 18V XR Brushless 2nd Fix Nailer 16Ga (Body Only)
4.8
[Brushless Power]  Brushless motor fires 63mm nails into soft and 50mm into hard wood.
[Quick Ready and Low Recoil]  Faster readiness, longer runtime and reduced recoil for efficient, comfortable use.
[Tool-Free Jam Clearance]  Tool-free stall and jam clearance minimizes downtime on the job.
[Weatherproof Mechanical Operation]  Mechanical non-gas design saves costs, works -20°C to 50°C with minimal servicing.
[Versatile Nail Magazine]  Durable magazine accepts 32–63mm 16Ga nails; mode selector for bump or sequential nailing.
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Power tools for second-fix carpentry, built to drive nails quickly and consistently. Contractors gain less recoil and faster readiness, making long site days easier. Could the DEWALT DCN660N 2nd Fix Nailer be the reliable 18V option your kit is missing?

⚡ At a Glance
  • Driving Power: Brushless motor fires 63mm into soft wood and 50mm into hard wood
  • Best for: Professional carpenters and tradespeople needing fast, reliable second-fix nailing
  • Not ideal for: DIY users who need a complete kit with battery and charger included

Brushless 18V XR second-fix nailer engineered for consistent long-nail driving. Mechanical operation reduces running costs and maintains performance across a wide temperature range.


High-impact driving power - thanks to brushless motor technology

Brushless motor technology produces greater torque and reduced recoil, enabling 63mm nails to be driven into soft wood and 50mm nails into hard wood. The motor design also improves runtime and readiness to fire compared with brushed equivalents.

Confidently seat long 16Ga nails in dense joinery and timber framing, with less user fatigue and fewer misfires. Faster single-handed driving helps keep pace on busy second-fix schedules.

Lower running costs and dependable cold-weather operation - with mechanical rather than gas operation

Mechanical operation replaces gas cartridges with a purely mechanical firing system, which requires minimal cleaning and servicing. Performance remains consistent at temperatures from -20 to 50 degrees Celsius.

Avoid ongoing expense and supply issues of gas cartridges while maintaining steady performance on cold or hot sites. Suitable for projects in varied climates without extra winter prep.

Faster workflow and less downtime - thanks to tool-free stall clearance and mode selector

Tool-free stall and jam clearance allows quick removal of blockages without additional tools, while the mode selector switches between bump and sequential nailing. A durable magazine accepts 32 to 63mm 16Ga nails and LED lights indicate errors.

Clear jams on the move and swap nailing styles to suit the task, keeping crew productivity high. LED error notification reduces guesswork when diagnosing misfeeds.

✨ The 4 Key Reasons for DEWALT DCN660N 2nd Fix Nailer
  1. Brushless motor - Drives long nails into dense timber with less recoil
  2. Mechanical operation - Eliminates gas cartridges for lower ongoing cost
  3. Tool-free jam clearance - Clears stalls quickly to reduce downtime on site
  4. Accepts 32–63mm 16Ga nails - Handles wide nail range for varied second-fix tasks
📋 Technical Details at a Glance
  • Category: 2nd Fix Nailer
  • Power Platform: 18V XR, body only
  • Motor Type: Brushless motor
  • Nail Gauge: 16Ga
  • Accepts Nail Lengths: 32mm to 63mm
❓ Frequently Asked Questions

Q: Is a battery or charger included?

A: No, the listing is body only, so batteries and charger are not included and must be purchased separately.

Q: What nail sizes are compatible?

A: Compatible with 16 gauge nails from 32mm up to 63mm in length, suitable for common second-fix applications.

Q: Can it be used in cold weather or outdoor conditions?

A: Yes, mechanical operation maintains consistent performance between -20 and 50 degrees Celsius, avoiding gas-related cold-weather issues.

🏆 Our Verdict

The DEWALT DCN660N 2nd Fix Nailer suits professional carpenters and tradespeople who need dependable, high-power nailing for second-fix work. Brushless motor performance and mechanical, non-gas operation deliver strong driving capability and lower ongoing costs. While sold as a body-only unit, the robust feature set offers long-term value for regular site use.