ST400i Cordless Fence Post Stapler


The ST400i cordless fencing post stapler gun drives 4mm diameter / 9 Gauge barbed post staples reliably and consistently, making fence construction and maintenance more efficient and delivering productivity gains for farmers and fencing contractors.

The advanced fuel injection system delivers optimal fuel dose every time delivering outstanding power to drive 2 staples per second. The Sequential trigger system provides accuracy of staple placement and improved operator safety so you can work with speed and confidence.

The ST400i cordless fencing post stapler gun driver blade is engineered to support the staple and reduce damage to the staple crown, and adjustable depth of drive provides ultimate flexibility to drive fence post staples to your desired depth. The ST400i is powered by fuel cells (included with staples) and Li-ion batteries (3000 fencing post staples per charge).


  • Portable - no need for compressors or airlines
  • Fast, high output design drives up to 2 staples per second
  • Ergonomic design for comfort in periods of high use
  • Hose free for work in remote situations
  • Adjustable depth of drive for greater flexibility with staple placement
  • Quick clear nose to reduce downtime
  • Top load magazine for easy and fast re-loading
  • Sequential trigger system which provides improved operator safety
  • V-Notch guide and wire guide to ensure correct staple placement and improved holding power
  • Fixes PEL/Speedrite/Stafix Power Staple Wood Post Claw Insulator (with Insulator Guide Attachment)
  • 2 Batteries provided per kit so you will never run out of power

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Specifications Details
Product Code ST4iAP2 (AU/NZ), ST4IUK1 (UK), ST4INA2 (CA/USA)
Product Size (WxHxD) 4.33" x 14.56" x 16.92" (110mm x 370mm x 430mm)
Packaged Size (WxHxD) 6.29" x 18.50" x  20.07" (160mm x 470mm x 510mm)
Tool Weight 9.25 lbs (4.2kg)
Packaged Weight 17.63 lbs (8.0kg)
Quantity Per Pack 1
Cycle Rate Per Second 2 staples per second
Magazine Capacity 50 staples (approx 2 strips)
Battery Capacity (Maximum) Up to 3,000 staples per battery
Fuel Cell Capacity Up to 500-750 staples per fuel cell between 4°C and 49°C (39°F and 120°F)
Staple Range Length 1 1/2", 1 3/4" and 2" (40mm, 45mm and 50mm)
Staple Diameter 9 Gauge (4.0mm)
Staple Type Hot dipped pre-galvanised 90% Zn 10% AL 240gm, (class 3 coating weight)
Battery 3.7V DC
Battery Recharge 2 hours
Fuel Cell Stockade Impulse Fuel Cell
Propellant Liquid Hydrocarbon
Fuel Cell & Battery Storage Temperature 5°F to 120.2°F (-15°C to 49°C)
Rated Input Voltage Battery Charger 100-240V 50/60Hz AC or 10-16V DC
Rated Output Voltage Battery Charger 3.7V 2.1A

 The information presented in this product information sheet is correct as at the date of publication. Stockade reserves the right to change performance, product or content information without notice. READ ALL SAFETY INSTRUCTIONS



  • Rural livestock fencing
  • Horticulture
  • Rural heavy mesh and heavy woven fencing
  • Predator control fencing
  • Highway boundary fencing
  • Rural utilities applications



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