RockStar® HDC - Kit. RockStar® HDC - Kits are heavy-duty connectors, kit, HE, size: 6, poles: 16, screw connection, 500 V, 16 A, metric. HDC - Kits are standardized kits for assembling a complete connector. The HDC - Kits typically consist of pin insert, socket insert, plug housing, mounting housing, and cable gland. Weidmüller offers a range of common connector combinations with metric or PG cable entry threads. The conductor connection level is designed as a screw element. All screw connection elements are equipped with a wire protection spring. Screw connection.