Quick-Release (Q-R) fasteners enable rapid connection and disconnection of components without tools, using mechanisms like quarter-turns, push-buttons, or cams. Quick-Release fasteners are innovative joint solutions for today's modern industry. Their uses span from machine tools and mechanical, medical, electrical, and solar applications to those in aerospace and automotive industries, rail cars, construction machinery, electronics, and others. For example, they are ideal for frequently serviced panels in aerospace, automotive, and electronics, providing required clamping force. Different types of these fasteners include:
Quarter-Turn Fasteners: secure with a 90-degree twist, commonly used in automotive and aerospace for securing panels.
Push-Button/Pip Pins: a pin inserted into a hole, held in place by spring-loaded balls that release with a button press.
Captive Fasteners: remain attached to the panel when loosened to prevent loss, ideal for electronic enclosures.
One-Touch/Push-Turn Fasteners: allow immediate, tool-less engagement and disengagement.
Clevis Pins: Non-threaded pins secured by cotter pins, used in machinery. 

They are offered in different brands by their respective manufacturers such as Camloc®  by Howmet® Aerospace Inc. (Howmet® Fastening Systems, HFS), Dzus®  by Southco, Inc., Quickloc® by Böllhoff Group, and others. They are separately listed in our Web Platform for Supplies. A brief presentation of their product lines is provided below.

HFS Camloc® Quick Release Fasteners

Howmet® Aerospace Inc. (Howmet® Fastening Systems, HFS), formerly Arconic Inc., develops & manufactures high performance, engineered products & solutions for the aerospace, industrial gas turbine, commercial transportation and oil and gas markets. HFS product range under different brands offers the greatest breadth and depth of fastening solutions available including self-locking nuts, quick-release fasteners, draw latches, threaded inserts, lock-bolts, and structural blind fasteners.

Camloc®, an HFS  brand, is widely known for their Quick Release Fasteners, offering one of the most comprehensive range of fastener styles and sizes in the market. Camloc® 1/4-turn, push-turn & push-push Quick Release Fasteners are safe and easy to use providing a vibration resistant joining solution for quick and repetitive attachment and removal of panels with minimum effort, saving time and reducing costs. They come in different series outlined below.
2600/2700 Series - General purpose small fasteners with widest selection of hand and tool-operated studs and receptacles. Those of 2600 Series fasteners feature a max. tensile strength of 1.330 N, & a working load of 900 N, flush head styles and solid compared to the split retaining rings of their 2700 Series counterparts.
5F Series - Low-cost, high-speed installation fasteners with tool-operated snap-in studs and spring-loaded receptacles. Plastic washer stud assemblies protect decorative surfaces.
15F Series - They can be installed to provide either push button or push panel operation. Easy installation of externally threaded nut-retained receptacle. Push-to-open, push-to-close operation.
50F Series - Mid-size fasteners with snap-in stud & clip-on or snap-in receptacles. Stud assemblies incorporate plastic washers to protect decorative surfaces. Offered in a wide variety of head styles  and tool- and hand-operated studs. Available for general purpose (50F 900N) or extra heavy-duty (50F 3700N) uses.
D4002 Series - Heavy-duty fasteners with a wide choice of receptacles and studs as well as fixed and floating receptacle options. These fasteners use a variety of grommets designed to reinforce the panel for added strength.
99F Series - Fasteners with an increased grip range of 1.5mm, encapsulated  splash resistant design, and externally threaded receptacles for use in castings or on panels with a retaining nut.
715F/716F Series - These fasteners are suitable for automatic installation with an easy and economic clip-on installation for studs & receptacles. They open and close by 1/4-turn push of the finger. Due to their small size, they are suited for use in electrical engineering and electronics. 715F Series comes with a tensile capability of 700 N max & 600 N working load. 716F Series has tensile capability of 1,400 N max and a 1,200 N working load.
717F Series - High strength push turn fasteners featuring a robust design, max tensile strength 3,000 N, and a working load of 2,500 N. The spring receptacles can either be rivet or screw mounted for easily installation.
PT-10 Series - Fasteners with increased grip range of 3.0mm, fast and easy installation of stud & washer and snap-in spring receptacle. They open and close by 1/4-turn push of the finger.

Southco® Dzus® Quick Release Fasteners

Southco® Dzus® fasteners are versatile space-saving fasteners providing flexibility for accommodating many specific mounting requirements. Their product range includes a wide range of quarter-turn studs in different head styles and lengths, retainers, receptables in different styles, and accessories, designed to secure panels quickly and easily with a simple quarter-turn action. They provide a precise fit for accurate positioning of panels and sheet metal applications where dimensions are constant. 

Dzus® Lion Quarter-Turn Fasteners

Dzus® Lion Quarter-Turn studs form part of the Dzus® Lion family of fasteners, which are known for their quick and easy panel securing and used in Aerospace, Automotive, Computer and many other industries. Dzus®Lion Quarter-Turn Studs are offered in different sizes, Dzus®  81 (small) Dzus® 82 (medium) & Dzus® (large) series in 0.5 mm (.02") stud length increments. Available in steel, zinc plated (all series) or stainless steel materials (Dzus® 82 & 85 series only). They are corrosion resistant with available RFI-EMI shielding. Also offered in kits for popular aircraft models. Matching receptables for these studs can be supplied. These come in different styles including:
Floating for riveting without Base - space saving stainless steel receptacle offering optimum weight savings by eliminating base.
Floating for Riveting with Base - Compact full-floating dacrotized steel receptacle mounted to inside panel with two 3/32" rivets.
Clip-On Receptacles - Fit material thickness from .020 to .190 by simply slipping over the hole and clipping in place. Easily removed not requiring welding and riveting.
Rubber Vibration Isolation Receptacles- for use when necessary to isolate vibration between panels.

Dzus® Lion Quarter-Turn Fasteners' Features
Integrate three separate component choices – stud, retainer, and receptacle – to suit application requirements. (Choose receptacle first to determine length of stud shaft.)
Built-in retention features keep fastener hardware with panel and frame, eliminate dropped or lost components
A variety of head styles provides choices for convenient manual use or tool-restricted access
Each fastener component provides a degree of spring action for a snug fit
Numerous corrosion-resistant components
Also available in stainless steel
Stainless, nylon, and snap-in stud retainers
Shielded press-in receptacles provide RFI-EMI shielding
Numerous accessories and installation tools enhance the benefits of quick access fastening

Standards and Specifications
Specific hardware components and sizes determine maximum working loads

Applications
Aerospace, Automotive - Trucks, Computers, Construction Equipment & Off-Highway Vehicles (Farm Equipment), Electronic Enclosures, Exhibits/Signs, Food Equipment, Furniture, HVAC, Industrial Enclosures, Lawn/Garden Equipment, Medical.

Dzus® D5 Panel Line Quarter Turn Fasteners

The Southco® Dzus® aerospace grade D5 Panel Line Quarter-Turn fasteners provide accurate, secure engagement and vibration resistance for demanding applications across industries.They meet aerospace certification requirements and include stud assemblies and receptables briefly described below that provide enhanced functionality. Offered in different sizes.
D5-PFSC35 DZUS® quarter-turn flare-in stud assemblies, designed for quick-access, eliminate the possibility of dropped or lost hardware components. Manufactured from steel and zinc plated, bright chromate.
D5-PR35 Quarter-Turn Receptables made from aluminum alloy and stainless steel.
D5-PB35 Quarter-Turn Single Hole Wire Form Receptables made from steel and zinc plated, bright chromate.

Dzus® AJ Type Quarter Turn Fasteners

Southco® Dzus® AJ Type oval head long undercut studs are made from steel, zinc electroplated or stainless steel, indicated by the letters "SS" after the part number.The dash number represents the length ("L" dimension) of the stud. Cadmium plated fasteners indicated by an asterisk (*) are no longer available due to enviromental reasons. Only offered till suppliers' current stock is depleted. Please order next longer size.

Aluminum full  grommets are also available for Southco® Dzus® standard studs. GA type grommets can be used with Dzus® “A” and “AJ” protruding head studs while GF type grommets with “F” and “FJ” flush head studs. A full grommet is used when protection of the hole is a definite consideration. They protect panel finish and reduce stud play. The dash number represents the length ("L" dimension) of the grommet. A tool is required for their installation.

Southco® Dzus® retainers and accessories for use with company fasteners can also be supplied. Southco® Dzus® standard line quarter-turn retaining springs are made of steel, zinc plated or stainless steel. The dash number represents the height ("H" dimension) of the spring. 

For cross reference between DZUS® old part numbers and respective SOUTHCO® part numbers please consult the supplied table.