Metabo HPT NR3675DDM 36-Volt MultiVolt 3-1/2 in. 21-Degree Cordless Duplex Framing Nailer Kit

Item No. 31961
excl. tax
Out of stock Low stock In Stock Inventory may differ at physical stores locations.
Please call ahead for in-store purchase.

Metabo HPT NR3675DDM 36-Volt MultiVolt 3-1/2 in. 21-Degree Cordless/Corded Duplex Framing Nailer Kit is here to revolutionize the concrete forming jobsite as it allows for a massive productivity boost vs. hand driving Duplex nails. Save money on the jobsite by saving valuable time! Move quickly while building concrete forms and scaffolding with the industry's first, battery only, cordless Duplex nailer solution. Metabo HPT's unique Air Spring Drive System produces a similar feel to using a pneumatic nailer, combined with the power of the MultiVolt battery, this cordless Duplex nailer works all day long, driving up to 16D Duplex nails. Drive up to 900 16D 3-1/2 in. Duplex nails per charge with the included 2.5 Ah MultiVolt battery. For bigger jobs, power up with a 4.0 Ah MultiVolt battery and drive up to 1,200 Duplex nails on a single charge!


  • Duplex Fasteners (16D / 8D / 6D) provide excellent grip force with easy & quick removal for temporary wood structures
  • Air Spring Drive System delivers similar feel to a pneumatic nailer
  • Ideal for building temporary wood structures like concrete forms and scaffolding
  • Drive up to 900 nails per charge with the included 2.5 Ah MultiVolt battery - model 371751M
  • Simplified control panel is easy to read and select between single fire or bump fire modes
  • Zero ramp-up time
  • Dry-fire Lockout System prevents nailer from driving when fasteners are low
  • Brushless Motor Technology for more run-time, increased power, and extended durability with essentially no maintenance
  • Tool-less depth of drive adjustment for precise fastener setting
  • Selective actuation allows the user to choose between bump and sequential modes
  • Side lock switch to prevent accidental firing
  • Pivoting belt hook
  • Also accepts MultiVolt AC Adapter with cord - model ET36A (sold separately) for the option to plug in for ultimate versatility
  • Also accepts MultiVolt 36V 4.0Ah battery - model 372121M (sold separately) for up to 1,200 nails on a single charge


  • (1) Metabo HPT 36-Volt MultiVolt 3-1/2 in. 21-Degree Cordless Duplex Framing Nailer (NR3675DD)
  • (1) 36V MultiVolt 2.5 Ah battery (371751M / BSL36A18)
  • (1) 36V/18V Charger (UC18YFSL)
  • (1) Carrying Bag (372294M)
  • (1) 3mm Hex Wrench (943277)
  • (1) 4mm Hex Wrench (944458)
  • (1) Safety Glasses (875769)


Fastener Head TypeDuplex
Fastener Head Diameter0.113 in. - 0.131 in.
Fastener Length2 in. - 3-1/2 in.
Driving Depth16D - 3 in., 8D - 2-1/4 in., 6D - 1-3/4 in.
Nail Capacity37
Nails Per Charge (w/ 36V 2.5Ah Battery)900
Magazine Angle21-Degree
Driving Speed2 nails per second
Magazine LoadingRear
Dry-fire LockoutYes
Depth AdjustmentTool-less
Jam ClearingOpen Nose
Battery Charge IndicatorOn-Battery
Dimensions (L x H x W)13-1/2 in. x 13 in. x 5-3/8 in.
Weight (w/ 36V 2.5Ah Battery)10.8 lb.