triple thread

triple thread

[′trip·əl ′thred]
(design engineering)
A multiple screw thread having three threads or starts equally spaced around the periphery; the lead is three times the pitch.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
To ensure long-term tissue sample preservation and storage, the triple thread of the tissue tubes gives an excellent closure and horizontal placement of the cap.
Dismas House resident and Triple Thread Apparel employee Dwain Adkins cleans a silk screen to prepare for a custom print job at the shop where he works in Nashville, Tenn., May 1.
Much like Dorothy Brock (Marti Webb), her character in the show may not have had the triple thread, but her voice was outstanding.
Produced by the company's affiliate, Crown Beverage Closures, AquaGuard combines the economy of 26.7mm sizing with tamper-proof technology and a triple thread bottle finish for easier, one-twist opening for the consumer.