Makita AT1150A pneumatic 16 gauge 7/16 inch medium crown stapler kit resting next to its durable teal hard tool case for storage and transport.
Profile view of the Makita AT1150A air powered medium crown stapler showcasing the lightweight aluminum body, 140-staple capacity magazine, and 1/4 inch NPT air inlet.
Diagram of the Makita AT1150A pneumatic stapler highlighting key woodworking features including the quick-release cam-lock for clearing jams and the tool-less depth adjustment dial.
Close-up action shot of a hand operating the Makita AT1150A medium crown stapler, demonstrating the ergonomic rubberized handle and the single sequential firing mode.
Detailed view of the 360-degree multi-directional exhaust port on the Makita AT1150A pneumatic stapler, designed to direct air safely away from the operator.
Close-up of the quick-release cam-lock on the nose assembly of the Makita AT1150A 16 gauge stapler, engineered for fast and easy extraction of jammed fasteners.
Extreme close-up of the non-marring tip and safety contact arm of the Makita AT1150A pneumatic crown stapler to protect delicate wood surfaces from damage.
Action shot of a professional woodworker using the Makita AT1150A pneumatic medium crown stapler to securely fasten a large wooden panel during construction.
A woodworker loading a strip of 16 gauge 7/16 inch medium crown staples into the high-capacity top-loading aluminum magazine of the Makita AT1150A pneumatic stapler.
Action shot demonstrating the Makita AT1150A air powered stapler being used for vertical wall applications such as installing sheathing or insulation in finish carpentry.
Makita Celebrates 100 Years of Innovation promotional video
Makita AT1150A pneumatic 16 gauge 7/16 inch medium crown stapler kit resting next to its durable teal hard tool case for storage and transport.
Profile view of the Makita AT1150A air powered medium crown stapler showcasing the lightweight aluminum body, 140-staple capacity magazine, and 1/4 inch NPT air inlet.
Diagram of the Makita AT1150A pneumatic stapler highlighting key woodworking features including the quick-release cam-lock for clearing jams and the tool-less depth adjustment dial.
Close-up action shot of a hand operating the Makita AT1150A medium crown stapler, demonstrating the ergonomic rubberized handle and the single sequential firing mode.
Detailed view of the 360-degree multi-directional exhaust port on the Makita AT1150A pneumatic stapler, designed to direct air safely away from the operator.
Close-up of the quick-release cam-lock on the nose assembly of the Makita AT1150A 16 gauge stapler, engineered for fast and easy extraction of jammed fasteners.
Extreme close-up of the non-marring tip and safety contact arm of the Makita AT1150A pneumatic crown stapler to protect delicate wood surfaces from damage.
Action shot of a professional woodworker using the Makita AT1150A pneumatic medium crown stapler to securely fasten a large wooden panel during construction.
A woodworker loading a strip of 16 gauge 7/16 inch medium crown staples into the high-capacity top-loading aluminum magazine of the Makita AT1150A pneumatic stapler.
Action shot demonstrating the Makita AT1150A air powered stapler being used for vertical wall applications such as installing sheathing or insulation in finish carpentry.
Makita Celebrates 100 Years of Innovation promotional video
Makita

Makita Pneumatic Crown Stapler AT1150A 7/16 Inch Medium 16 Gauge Air Gun (120 PSI 3.7 SCFM Sheathing Subflooring Woodworking Framing Kit Case)

In stock
SKU: AT1150A
$329.00 USD

Description

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High Capacity Heavy Duty Fastening for Structural Sheathing and Subflooring

The Makita AT1150A 16-Gauge 7/16" Medium Crown Stapler is a pneumatic structural construction tool engineered to drive medium crown staples with leg lengths from 1 inch to 2 inches. Operating within a compressed air pressure range of 65 to 120 PSI, this air-powered hand tool provides consistent driving force for high-volume sheathing, framing, and pallet production environments. The lightweight 5.1-pound design integrates a top-loading aluminum magazine, a tool-less depth adjustment system, and a quick-release cam-lock nose to optimize mechanical output and maintain job-site efficiency.

Best Used For:

  • Structural Wall Sheathing: Fastening plywood or OSB panels directly to exterior framing members with code-compliant structural holding power.
  • Subflooring Installation: Securing subfloor panels rapidly to floor joists to eliminate floor squeaks and assure a stable underlying deck.
  • High-Volume Crating: Assembling heavy-duty commercial wooden shipping crates, pallets, and industrial storage packaging containers.

Key Performance & Safety Features

  • Top-Loading Aluminum Magazine: Holds up to 140 staples for minimal reloading downtime during long structural fastening runs.
  • Tool-Less Depth Control: Tactile micro-adjustment dial enables fast changes between perfectly flush seating and clean countersunk driving.
  • Cam-Lock Jam Clearance: Quick-release nose assembly pops open without extra tools to facilitate instant removal of jammed fasteners.
  • Inlet Filter Integration: Built-in internal air filter traps ambient dust and compressor moisture to extend inner cylinder motor life.
  • 360-Degree Multi Exhaust: Rotating exhaust deflector allows the operator to direct spent compressed air paths entirely away from their face.

What's Included

  • (1) 7/16" Medium Crown Stapler (AT1150A)
  • (1) Hex Wrench (A0913-0011)
  • (1) Reversible Hook (A0316-0311)
  • (1) Oil Supply (A09070001)
  • (1) Safety Goggles (A09080-171)
  • (1) Air Fitting (311006-A)

Technical Specifications

Power Type Pneumatic (Air Powered)
Fastening Category Medium Crown Stapler
Staple Gauge 16 Gauge
Crown Size 7/16 Inch
Leg Length Range 1 Inch to 2 Inches
Maximum Magazine Capacity 140 Staples
Operating Air Pressure 65 - 120 PSI
Air Consumption 3.7 SCFM @ 90 PSI
Dimensions (LxWxH) 14-1/2 x 3-7/16 x 11-3/8 Inches
Net Weight 5.1 lbs.
Inlet Size 1/4 Inch NPT
Shipping Weight 6.75 lbs.
Pro-Tip: Check your line pressure dynamically by firing a test staple into scrap workpiece material; if the crown sits proud, adjust your compressor regulator upward rather than just driving the tool harder, as this avoids uneven cylinder fatigue.