The ST 400i cordless fence stapler gun has outstanding power to drive staples to your desired depth. The ST400i for fence posts, trellis, battens, farming, wineries & rural fencing.

ST400i Cordless Fence Post Staple Gun

  • Portable – no need for compressors or airlines
  • Efficient – fast, high output design drives up to 2 staples per second 
  • Reliable – Fuel Injection Technology delivers consistent power every time 
  • Fuel & Battery Indicator – never get caught short on the fence line
  • Adjustable depth of drive for greater flexibility with staple placement
  • V-Notch guide and wire guide to ensure correct staple placement and improved holding power


The ST400i cordless fence post staple gun drives 4mm diameter barbed post staples reliably and consistently, making fence and horticultural trellis construction and maintenance more efficient, 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 an accurate staple placement and improved operator safety so you can work with speed and confidence. ​

The ST400i 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). 


  • Rural livestock fencing
  • Horticultural Trellis
  • Predator control fencing
  • Highway boundary fencing
  • Fence construction and maintenance

ST400i Staples

  • Stockade staples are engineered for superior corrosion resistance and long lasting hold even in the world’s toughest environment​s
  • 90% Zinc, 10% Aluminium pre-galvanised 240gm heavy duty coat provides superior corrosion resistance
  • Specified wire tensile strength and divergent point design enhances holding power​
  • Waterproof collation tape for all weather performance​
  • 4mm wire diameter​

Alan Fenwick – With the ST400i cordless fencing stapler guns he uses to get fencing done quickly and with safety.


“I love that the ST400i stapler gun is completely cordless. You can go anywhere with them. You can go through swamp stapling up wire where you wouldn’t have been able to get with a vehicle” 

Alan Fenwick – AJ & DL Fenwick Agricultural Contractors, Victoria


Product CodeST4iAP2 (AUS/NZ), ST4IUK1 (UK)
Product Size (WxHxD)110mm x 370mm x 430mm
Packaged Size (WxHxD)160mm x 470mm x 510mm
Tool Weight4.2kg
Packaged Weight8.0kg
Quantity Per Pack1
Cycle Rate Per Second2 staples per second
Magazine Capacity53 staples (approx 2 strips)
Battery Capacity (Maximum)Up to 3,000 staples per battery
Fuel Cell CapacityUp to 500-750 staples per fuel cell between 4°C and 49°C
Staple Range Length40mm, 45mm and 50mm
Staple Diameter9 Gauge (4.0mm)
Staple TypeHot dipped pre-galvanised 90% Zn 10% AL 240gm
Battery3.7V DC Lithium-Ion
Battery Recharge2 hours
Fuel CellStockade Impulse Fuel Cell
PropellantLiquid Hydrocarbon
Fuel Cell & Battery Storage Temperature-15°C to 49°C
Rated Input Voltage Battery Charger100-240V 50/60Hz AC or 10-16V DC
Rated Output Voltage Battery Charger3.7V 2.1A

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

ST400i Cordless Fence Post Stapler Gun

The ST400i cordless fence stapler gun makes fencing faster, easier, and safer for farmers and fencing contractors. Drive staples to your desired depth – powered by fuel cells (included with staples) and Li-ion batteries (3000 staples per charge). You can also easily and efficiently install electric fence insulators with a range of attachments available to fit the ST400i tool.