The HRC 670 Series T-Head is a heavy-duty concrete forming component designed to provide a secure connection and dependable support in professional concrete construction applications. Engineered for use with compatible forming and reinforcing systems, the T-Head helps contractors create stable, accurately positioned connections during concrete placement.
Manufactured for demanding jobsite conditions, the HRC 670 Series T-Head offers durable performance and reliable fitment. Its robust construction makes it suitable for commercial, industrial, infrastructure, and foundation projects where dependable concrete forming hardware is essential.
HRC® 670: The HRC® 670 HeadLockTM Series are Class HA heads complying with the requirements of ASTM A970 Annex 1A. The HRC® 670 HeadLockTM Series. The HRC® 670 HeadLockTM Series are field-installed T-Heads used mainly for retrofits and field repairs. The HRC® 670 HeadLockTM Series, when connected to the specified reinforcing bars, comply as Class HA in accordance with ASTM A970. HRC® 670 uses a wedged grip system with a spring and tension bolt that is installed on the end of a torch-cut, sheared, or saw-cut reinforcing bar. The product is available in sizes for use with No. 5 (16 mm) through No. 18 (57 mm) reinforcing bars.