The JK777-12 plier staples are industrial-grade fasteners designed for heavy carton sealing, box closing, crate building, and packaging tasks. With a 1/2" (12 mm) leg length and a 1/2" crown, these staples provide enough depth and hold strength to secure medium- to heavy-duty corrugated cartons, shipping boxes, and packaging material.
These staples are built to deliver consistent, reliable fastening when used with compatible plier-style carton staplers. Their sturdy construction ensures secure clinch and strong hold, suitable for warehouse, mailing, distribution, or packaging environments where dependable carton closing is required.
Key Features
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Leg Length: 1/2" (12 mm) — sufficient for corrugated cartons, mailer boxes, and standard packaging jobs
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Crown Width: 1/2" — offers stable and reliable clinch for box flaps and seams
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Staple Type: Heavy-duty plier staples — suited for packaging, shipping, and carton closing operations
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Best For: Corrugated cartons, mailer boxes, shipping packaging, crate sealing, warehouse or mailroom use
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Quantity: 2,400 staples per box
Why Choose JK777-12 Staples?
If you need a dependable staple for carton sealing and box closing work, JK777-12 delivers strong penetration and a solid clinch — keeping flaps tightly secured and packaging intact. Their durable design and compatibility with plier staplers make them a practical choice for shipping, packaging, and bulk mailroom work.
