Shop the DEWALT CSI Spiral Drive Pins (8mm Head) - Standard, 1" (27mm) Knurled. CSI Spiral Drive Pins are designed for permanently fastening a fixture to concrete, concrete over steel deck, concrete masonry walls, and A36/A572/A992 structural steel. Manufactured with an 8mm head and a spiral knurled shank for consistent, optimized performance in steel base materials; available in single and collated strips. ICC-ES ESR-2024.
