NEW HYDE PARK, N.Y.—A new series of Ultra-Low Profile, Surface Mountable Threaded Inserts from Keystone Electronics is said to offer a simplified method of adding threads to printed circuit boards (PCBs). Manufactured from steel with a tin plate, the inserts are specifically designed and packaged for use on PCBs  in the same manner as other SMT components, the company said in a press release.

The inserts allow users to add threads to a PCB while using the same equipment as with other SMT components. The result is a reduction of handling time or damage that may occur while using traditional threading methods for a PCB, the company said.

The new threaded SMT inserts are available in 2-56, 4-40, and 6-32 threads, with low-profile height above the board of only 0.012 inch. Supplied on tape and reel, with Kapton tape on the top surface for easy pickup, they are said to be well-suited for use with most vacuum and mechanical pick-and-place assembly systems.

Keystone has also introduced new “Auto-In” 12mm Coin Cell Holders that are said to provide secured retention of the 1220 and 1225, 12mm diameter Lithium Coin Cells. The coin cell holders are reported to be extremely rugged and able to retain cells securely under shock and vibration in high-density PCB applications. They provide design versatility for surface mount applications using 12mm coin cell batteries in applications where the battery must be automatically inserted via vacuum or mechanical pick-and-place device, Keystone said.

Keystone Electronics (, an ISO-9001:2015 certified and RoHS compliant manufacturer of interconnect components and electronic hardware, offers application assistance for product modifications and special designs. The company’s capabilities include stamping, machining, and assembly services.

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