The Bosch EXNH18V-90MRB14 21 Degree Framing Nailer Kit is displayed as a complete set against a white background. This cordless structural wood fastening tool layout includes the 18V air-spring framing nailer, an EXPERT 18V 4.0 Ah high-power lithium-ion battery pack, and a multi-voltage fast battery charger base station.
An infographic diagram showcasing the primary technical features of the Bosch cordless framing nailer over a dark blue backdrop. Connected indicator lines call out key components, including an accessible air tank with a Schrader valve, a high-grip nosepiece for secure toenailing, intuitive single-shot and bump-fire modes, dry-fire lockout, an engineering pneumatic-like 18V air-spring system, and an integrated belt clip and utility hook.
A construction contractor wearing protective work gloves operates the Bosch 18V cordless framing nailer to fasten structural wood timber joists on a house framing layout. Informational text highlights the pneumatic-like performance delivered by the integrated 18V air-spring system without requiring external compressors or gas fuel cartridges.
A close-up action view of a worker connecting a small high-pressure air pump nozzle onto the jobsite-accessible air tank Schrader valve positioned on the rear handle frame of the Bosch framing nailer. The overlay graphic text explains that this asset supports faster setup and minimizes structural fastening downtime with quick on-site refills.
A close-up view of a builder's hands adjusting settings on the electronic control interface panel located on the base handle platform of the Bosch compressorless framing tool. Text outlines show an intuitive user interface designed for easy operation and smooth switching between single-shot and high-velocity bump-fire modes.
A promotional factory warranty infographic banner for the Bosch 18V cordless tool charger and battery kit line. The clean layout features the company branding logo alongside bold text block outlines specifying a 5-year tool and charger limited warranty structure next to an official 3-year limited warranty policy for the battery cells.
New Bosch 18V Brushless Nailers & Staplers: Power Meets Precision | Bosch USA promotional video
The Bosch EXNH18V-90MRB14 21 Degree Framing Nailer Kit is displayed as a complete set against a white background. This cordless structural wood fastening tool layout includes the 18V air-spring framing nailer, an EXPERT 18V 4.0 Ah high-power lithium-ion battery pack, and a multi-voltage fast battery charger base station.
An infographic diagram showcasing the primary technical features of the Bosch cordless framing nailer over a dark blue backdrop. Connected indicator lines call out key components, including an accessible air tank with a Schrader valve, a high-grip nosepiece for secure toenailing, intuitive single-shot and bump-fire modes, dry-fire lockout, an engineering pneumatic-like 18V air-spring system, and an integrated belt clip and utility hook.
A construction contractor wearing protective work gloves operates the Bosch 18V cordless framing nailer to fasten structural wood timber joists on a house framing layout. Informational text highlights the pneumatic-like performance delivered by the integrated 18V air-spring system without requiring external compressors or gas fuel cartridges.
A close-up action view of a worker connecting a small high-pressure air pump nozzle onto the jobsite-accessible air tank Schrader valve positioned on the rear handle frame of the Bosch framing nailer. The overlay graphic text explains that this asset supports faster setup and minimizes structural fastening downtime with quick on-site refills.
A close-up view of a builder's hands adjusting settings on the electronic control interface panel located on the base handle platform of the Bosch compressorless framing tool. Text outlines show an intuitive user interface designed for easy operation and smooth switching between single-shot and high-velocity bump-fire modes.
A promotional factory warranty infographic banner for the Bosch 18V cordless tool charger and battery kit line. The clean layout features the company branding logo alongside bold text block outlines specifying a 5-year tool and charger limited warranty structure next to an official 3-year limited warranty policy for the battery cells.
New Bosch 18V Brushless Nailers & Staplers: Power Meets Precision | Bosch USA promotional video
BOSCH

Bosch EXNH18V-90MRB14 21 Degree Framing Nailer Kit (18V Air Spring System 4.0 Ah Battery Compressorless Structural Wood Fastening Construction)

Only 2 left
SKU: EXNH18V-90MRB14X
$629.00 USD

Description

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Pneumatic Performance and Cordless Convenience for Heavy Structural Wood Framing

The Bosch EXNH18V-90MRB14 18V EXPERT 21-Degree Framing Nailer Kit drives full round head framing nails from 2.0 inches to 3-1/2 inches in length directly into engineered lumber. Powered by an internal, permanent high-performance air-spring pressure system, this cordless construction tool delivers the consistent speed and countersinking depth of traditional air tools without the recurring costs of gas fuel cartridges, hoses, or loud portable compressors. It features a job-site-accessible Schrader valve that allows rapid tank pressure normalization up to 117 PSI, maintaining peak driving force over extended structural timber installations while minimizing maintenance downtime.

Best Used For:

  • Structural House Framing: Fastening heavy dimensional lumber studs, floor joists, roof rafters, and laminated veneer lumber (LVL) beams.
  • Sheathing and Decking Work: High-speed surface driving for exterior wall plywood sheathing, roof decking panels, and subflooring layers.
  • Toenailing and Angled Fastening: Executing stable, non-slip angled toe-nail connections in tight wood-to-wood structural framing joints.

Key Performance & Safety Features

  • High-Performance Air-Spring System: Specialized sealed air cylinder delivers pneumatic-like driving speed and continuous depth consistency without hoses or fuel cells.
  • Schrader-Valve Air Chamber: Built-in commercial valve allows for easy, on-site tank pressure top-offs up to 117 PSI to instantly refresh mechanical drive energy.
  • High-Grip Aggressive Nosepiece: Toothed metal nose configuration bites deeply into wood fibers to prevent slipping during difficult structural toenailing applications.
  • Stepless Thumbwheel Depth Adjustment: Ergonomic, tool-free dial permits rapid, microscopic depth-of-drive modifications across varying material densities.
  • Onboard Digital User Interface: Integrated electronics permit immediate tool activation and single-button switching between sequential single-fire and high-speed bump-fire modes.
  • Intelligent Dry-Fire Lockout: Automated safety mechanism mechanically locks the firing pin when five nails remain, defending internal components and workpieces from blank impacts.

What's Included

  • (1) EXNH18V-90MR EXPERT 18V 21-Degree Cordless Framing Nailer
  • (1) EXBA18V-40 EXPERT 18V 4.0 Ah High-Power Tabless Lithium-Ion Battery
  • (1) GAL12V/18V-80 Multi-Voltage Dual-Bay Fast Battery Charger
  • (1) Heavy-Duty Removable Structural Steel Belt Clip
  • (1) Removable Protective Polymer No-Mar Tip Pad

Technical Specifications

Technical Parameter Factual Specifications
Brand Manufacturer Bosch
Model Number (Kit) EXNH18V-90MRB14
System Voltage 18.0 V
Battery Platform Technology EXPERT Lithium-Ion (AMPShare System Compatible)
Battery Capacity Included 4.0 Ah
Collation Angle Spectrum 21 Degree (Supports 20 to 22 Degree Sticks)
Fastener Length Range 2.0 in to 3-1/2 in
Fastener Head Profile Full Round Head Nails
Magazine Storage Capacity 37 Fasteners
Maximum Core Tank Pressure 117 PSI
Nailer Net Weight 10.1 lbs
Product Height 14.4 in
Product Length 14.7 in
Product Width 6.7 in


Pro-Tip: If you notice your nails sitting slightly proud after framing inside sub-freezing exterior conditions or transitioning between hard engineered LVL beams, don't just max out your thumbwheel depth control. Check the internal tank air equalization via the built-in Schrader valve; maintaining the compression chamber tightly around its optimal 117 PSI benchmark balances the cordless air-spring cycle and guarantees effortless, completely flush counter-sinking across any wood fiber hardness.