quick-access fasteners (qafs) are mechanical fastening devices designed to provide rapid and easy installation or removal. unlike traditional fasteners like screws or bolts, qafs feature built-in release mechanisms that allow effortless engagement or disengagement through simple actions like a quarter-turn rotation, push-in motion, or snap-in operation. this makes them highly efficient in applications requiring frequent access, maintenance, or inspection.

these fasteners deliver secure and reliable retention while enabling quick, convenient panel access. qafs come in various configurations, including quarter-turn fasteners, captive screws, and snap-in latches, and are made from materials like stainless steel or plastic. vibration-resistant designs ensure they stay firmly in place even in harsh environments, and all qafs remain captive in the panel after removal to prevent hardware loss. this feature also helps comply with machinery directives.

key benefits:

ease of operation: manual or tool-operated options simplify access, speeding up installation/removal.

time efficiency: qafs significantly save time in applications requiring regular access.

vibration resistance: ensures fasteners stay secure under constant vibrational loads.

tactile feedback: most options provide a “click” sensation when locked, confirming secure engagement.

customizable sizes/materials: qafs are tailored to diverse applications, with multiple surface finishes for steel components.

jufu’s range and applications

jufu offers a wide variety of quick-access fasteners to meet specific needs across industries. solutions include:

standard line (d4):

original dzus®-style systems with diameters, head styles, and steel/stainless-steel receptacles.

high cycle life for durability in heavy-use applications.

head orientation indicates secure locking status.

panel series (d5):

high strength and vibration resistance for demanding environments.

captive assembly prevents hardware loss.

visual locking indicators and restricted tool access.

aerospace-grade finishes available.

internal spiral fasteners:

rapier (d2): low installation cost, corrosion-resistant, optional large heads for misalignment tolerance.

panex: 4mm/6mm/9mm studs, stainless-steel options for outdoor use, clear locking indicators.

tech series (d9): tool-free operation, anti-over-tightening clamps, captive studs for electronics.

external spiral fasteners:

lion (81/82/85): high cycle life, steel/stainless-steel options, corrosion-resistant variants.

dart (d1): lightweight thermoplastics, ergonomic grip, thousands of operational cycles.

dart quarter-turn: easy quarter-turn release, tool-driven head styles for controlled access.

push-to-close & quarter-turn-open:

pilot (d7): tool-free installation, unique cam design for three locking points.

arrow (d7): top-panel mounting, repositionable panels without receptacle removal.

performance factors:

key considerations for qaf suitability include cycle life, tensile load, vibration resistance, corrosion/chemical resistance, and total material thickness (tmt) tolerance. these vary by cam type:

external spiral cams

internal spiral cams

shovel cams

push-to-close/quarter-turn-open

dzus® quarter-turn fasteners – specification sheet

overall, qafs’ speed, convenience, security, versatility, and aesthetic appeal make them ideal for applications requiring frequent access or heightened safety.

choosing jufu quick-access fasteners means prioritizing reliability, innovation, and adaptability. features like vibration resistance, tool-free operation, and corrosion-proof coatings suit both indoor and outdoor environments. with a commitment to excellence and proven success, jufu remains a trusted partner for businesses seeking premium fastening solutions.

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