Captive Screw enables tool-free access via wing knob design.

Press Release Summary:

Able to be used to designate access through standard and custom color options, 4C Wing Knob Captive Screw features over-molded, contoured, wing-style head design that simplifies positioning of sliding components, installation, and quick-release for facilitated removal. Press-in, flare-in, and SMT options provide versatility for fastening and unfastening by hand when mounting doors, panels, and other hardware components in applications where tool-free access is desired.

Original Press Release:

Southco Expands Captive Hardware Line with Distinctive Wing-Style Knob Design for Tool-Free Access

CONCORDVILLE, Pa. — Southco, Inc., has recently expanded its captive hardware line with the addition of a captive screw that offers tool-free access. The new 4C Wing Knob Captive Screw enables quick-access fastening, and features an over-molded, distinctively contoured wing-style head design that can be used to designate access through an array of standard and custom color options.

The 4C Wing Knob offers simplified positioning of sliding components, simple installation and quick-release for easy removal. Press-in, flare-in and Surface Mount Technology (SMT) options provide versatility for fastening and unfastening by hand when mounting doors, panels and other hardware components in applications where tool-free access is desired.

Southco is the leading supplier of front panel hardware meeting xTCA requirements, with expertise in the functionality, flexibility, ergonomics and technicalities of PCI Industrial Computer Manufacturers Group (PICMG) standards affecting AdvancedTCA® (ATCA), AdvancedMC™ (AMC), and MicroTCA®. As a member of PICMG, Southco has developed a full range of products including ejector handles, alignment/keying blocks and captive retention screws in accordance with their standards.

Global Product Manager Jim Grady adds, “Southco’s newest 4C Captive Screw features a distinctive and attractive wing-style head design, and provides for easy hands-on/hands-off access and color options that allow engineers to easily designate access points based on the unique requirements of the application.”

For more information about Southco’s captive hardware line, please visit, email the 24/7 customer service department at, call 610-459-4000 or fax your inquiry to 610-459-4012.

Southco is the leading and trusted global source for engineered access hardware solutions, including a variety of latches, locks, captive fasteners, quick access fasteners, hinges, handles, inserts, electronic access solutions, and other accessories for applications in the networking, telecommunications, computer, automotive, aerospace, mass transit, off-highway/construction, RV/caravan, industrial machinery, marine and HVAC industries.

Southco is passionately focused on delivering customized engineering solutions and global support for its customers. The company aspires to be a virtual engineering center for its customers’ engineered access solutions and is committed to providing outstanding quality and overall satisfaction. Southco’s promise to its customers is to connect, create and innovate to provide the best solution for every access engineering problem.

Southco, Inc.

P.O. Box 0116  210 N. Brinton Lake Road  Concordville, PA 19331-0116  USA

Phone: +1 610 459 4000    Fax:  +1 610 459 4012

Media Contact

Ginny McCreary


Southco Contact

Rachel Pilgren


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