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Bostitch 438S4-1 Jam-Free Construction Stapler


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Retail Price: $499.99

Our Price: $394.99

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The Bostitch 438S4-1 Jam-Free Lathing Stapler comes equipped with Rubber Comfort Grips to ease usability and absorbs vibration. Aluminum Housing protects the tool against accidents, and flying debris at the job site. A sequential trigger comes standard; however, it includes an additional trigger that converts the tool into either a "Smart mode" or "contact trip mode." The exclusive Smart Trigger operates in contact (bump-fire) mode when the trigger is pulled before the nose is depressed; however, it drives nails individually if the nose is depressed before the trigger is pulled. Overall, this decreases the recoil effect that can cause double firing. Moreover, the Dial-A-Depth® technology for setting nails to precise depths without adjusting compressor settings. The ultra-quiet rear exhaust, located at the end of the handle, directs air away from the user. Clearing jams is done in a flash thanks to tool-free access to the drive channel. A visual reload indicator monitors the nail count at a glance without opening the magazine.


  • Jam-free magazine to minimize downtime
  • Power control valve adjusts power by 30%
  • High-capacity, top load magazine decreases reload time
  • Long-lasting molded rubber comfort grip maximizes comfort and minimizes fatigue
  • Reduced height for stapling in tight areas
  • Rear exhaust directs exhaust away from the user and work surface
  • Adjustable trip-positive staple depth control

What's in The Box

  • Jam-Free Construction Stapler
  • Owner’s Manual


  • 7-Year Limited Factory Warranty
  • 30 Day Satisfaction Guaranteed
Height 8.85" , 225 mm
Length 14" , 355 mm
Width 2.5" , 64 mm
Weight 4.5 lbs, 2.04 kilos
Driving Power 230" Lbs. @ 100 psi
Magazine Capacity 160 Staples
Operating Pressure 60.00 - 100.00 PSI
Fastener Crown Length 1/2"
Fastener Gauge 16
Fastener Range 1/2" to 1-1/2"
Thread Fitting Type 1/4" NPT
Vibration / Uncertainty less than 2.5 / N/A m/s²
Power type Pneumatic
Air Consumption per shot @ 81 PSI 0.6 Ltr.
Noise LPA 1sd 83.70 | LWA 1sd 93.00 | LPA 1s, 1m 80.00
S4 Series Fasteners Diameter 1.4 (min),1.6 (max), Crown (mm),12.45 (min),12.7 (max), Length (mm),19, (in) 40 (max)
Customer Reviews
  • Item Number: 438S4-1
  • Retail Price: $499.99

    Our Price: $394.99
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