PennEngineering® Datasheets for Captive Fasteners

Captive fasteners are designed for permanent retention within their target assembly or housing, often even upon servicing, providing a secure joint and avoiding loss or damage that might be caused by a loose part.
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Product Name Notes
Specifications - Thread Size - - .112-40 (#4-40) Type1 - - PR10 Thread Code - - 440 A (Shank) Max. - - .125 in Min. Sheet for Self-Clinching -...
Specifications - Thread Size x Pitch - - M3 x 0.5 Type - - PFK Thread Code - - M3 Screw Length Code - - 84 A (Shank) Max. -...
Specifications - Thread Size x Pitch - - M4 x 0.7 Type - - Jacking - SCBJ Thread Code - - M4 Screw Length Code - - 10 Min. Sheet...
New Type SMTPFLSM™ surface mount spring-loaded panel fastener provides ease of installation and high precision positioning without loose hardware. It mounts on P.C. boards in the same manner and at...
Appropriate for close centerline-to-edge applications. Does not require high installation force. Installs into any panel hardness. Installs flush on back side of panel.
Appropriate for close centerline-to-edge applications. Doesn’t require high installation force. Installs into any panel hardness. Installs flush on back side of panel.
Available in steel or stainless steel. Meets “operator access area” requirements similar to UL 508. Tool or finger operation. Most sizes available in three screw lengths.
Colored access panel screws.
Compensates for mating hole misalignment. Installs into any panel hardness.
Fully concealed-head for tool only access. UL approved. Assorted screw lengths for most applications.
Installs into stainless steel sheets HRB 88 or less. Fully concealed-head for tool only access. UL approved. Assorted screw lengths for most applications.
Low cost design. Small, compact and low profile design for limited access areas. Two screw lengths. Universal slot/Phillips recess standard.
Low-profile design satisfies many functional and cosmetic requirements. Convenient, large, slotted head for tool or finger operation.
Low-profile design satisfies many functional and cosmetic requirements. Type PF50 with convenient large head and Phillips recess for tool or finger operation. Available with six-lobe recess.
Shoulder on retainer provides positive stop during installation. Available in self-clinching, flaring, or floating mounting styles. Available with knurled or un-knurled metal cap, black metal cap, or a custom color...
Simply snap screw into retainer to complete assembly, spring action of plastic “fingers” holds screw in retracted position Lobed Black ABS Cap standard Other molded-thru colors available on special order...

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