ST400 Pneumatic Fence Post Stapler


The Pneumatic ST400 fencing stapler was built to solve the problem of using a hammer to drive staples into wooden posts.

We used our engineering expertise to bring this product to market after recognising a need for it after discussions with our customers. It is compatible with 4mm diameter / 9 Gauge (40mm, 45mm or 50mm / 1 1/2", 1 3/4" and 2" long) staples. The pneumatic ST400 fencing stapler's aluminium alloy housing means that it is lightweight and corrosion resistant for extreme durability.

This tool is also compatible with the Power Staple Insulator Guide Attachment allowing you to easily erect an electric fence using the PEL/Speedrite/Stafix Wood Post Claw Insulator.


  • Adjustable power for high density timber
  • Reliability for high volume fence construction
  • Engineered specifically for driving heavy-duty fencing staples
  • Manufactured from high impact resistant steel for long life
  • Ideal for heavy duty rural fencing applications
  • Custom nose locates the wire for speed and reliability
  • Adjustable Depth of Drive
  • Top Load Magazine for fast reloading to minimize down-time
  • Adjustable Air Deflector - deflects discharged air away from operator for improved comfort
  • Sequential Trigger System for superior operator safety
  • Swivel coupling for greater flexibility and added convenience

Where to Buy

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Specifications Details
Product Code A12605
Product Size (WxHxD) 4.72" x 14.17" x 15.35" (120mm x 360mm x 390mm)
Packaged Size (WxHxD) 5.31" x 17.32" x 20.86" (135mm x 440mm x 530mm)
Tool Weight 8.15 lbs (3.7kg)
Packaged Weight 14.55 lbs (6.6kg)
Quantity Per Pack 1
Cycle Rate Per Second 3 staples per second
Magazine Capacity 50 staples (2 strips)
Staple Range Length 1 1/2", 1 3/4" and 2" (40mm, 45mm and 50mm)
Staple Diameter 9 Gauge (4mm)
Staple Type Hot dipped pre-galvanised 90% Zn 10% AL 240gm change heavy coat to (class 3 coating weight)
Collation Type Paper collated
Operating Pressure 6.2 to 8.3bar (90 to 120psi)
Optimum Operating Pressure 6.75 to 7.24bar (98 to 105psi Hard Timber 110 to 120)
Noise Level 89 to 94dB
Air Consumption at 7bar (100psi) 2.2 Litres / cycle
Recommended Air Hose Fitting Diameter 3/8" to 1/2"  (10mm)

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



  pdfST400 user manual345.92 KB



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