The Bostitch 21680B-ALM is a high-capacity, auto-fire fine-wire pneumatic tacker built for upholstery, furniture manufacturing, and high-volume production settings. With its long magazine, ½″ crown compatibility and durable all-metal construction, it’s designed for fast, reliable stapling of fabrics, webbing, cardboard, and other materials to wood frames.
Key Features
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½″ crown fine-wire staples (80/380 series) compatible, with leg lengths from 5⁄32″ up to ⅝″
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Long-magazine design holds approximately 300 + staples (reduces reload frequency)
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Auto-fire (dual-mode trigger) capability for high throughput operations
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Rugged all-metal body with low air-consumption and quiet operation for production environments
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Bottom-loading magazine and one-hand latch for efficient staple reloads
Specifications
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Crown Width: ½″
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Staple Leg Length Range: 5⁄32″ – ⅝″
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Magazine Capacity: 300 + staples
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Operating Pressure: 70-100 psi
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Tool Weight: Approx. 2.8 lbs
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Power Type: Pneumatic (air)
Why Choose This Tool?
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Built for demanding production tasks where speed and capacity matter, such as upholstery, marine seating, large-volume furniture frames, and pre-cardboard/webbing applications
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The extra-long magazine and auto-fire capability reduce downtime and increase operator efficiency
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Strong construction and low air consumption make it a long-term investment for a high-use environment
Things to Know Before Buying
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Requires a clean, regulated air supply capable of sustaining ~70-100 psi for optimal performance
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Ensure your materials stack and fastener leg length match the 5⁄32″–⅝″ range for this tool; very thick materials might exceed the spec
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While the tool weighs ~2.8 lbs, in high-cycle or extended shift use, operator fatigue should still be considered
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For manual or low-volume applications a simpler model may suffice; this unit is optimized for higher throughput
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Proper maintenance (cleaning, lubrication, inspection) is important to preserve performance and tool life
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