DEWALT CSI Spiral Drive Pins (Collated, 8mm Head Diameter) are the high-performance powder-actuated fasteners for contractors and pros who need fast, reliable anchoring into concrete, masonry, and steel. The spiral drive design provides superior holding power and pull-out resistance, while the collated strip format enables rapid, magazine-fed installation with compatible powder-actuated tools. The 8mm head diameter offers a wide bearing surface for secure fastening of wood, metal track, conduit straps, and electrical boxes. Premium steel construction with zinc plating resists corrosion. All available sizes include the light-duty 0.145" x 1/2" (13mm) tapered shank variant and standard 0.157" shank in various lengths (3/4", 1", 1-1/4", 1-1/2", 2", etc.)—your essential bulk pack for framing, electrical rough-ins, plumbing straps, and general concrete/steel anchoring that demands speed, strength, and durability on the jobsite.

• Spiral drive design – superior holding power & pull-out resistance in concrete & steel
• Collated strip format – fast, magazine-fed installation for high-volume work
• 8mm head diameter – wide bearing surface for secure fastening of wood & metal
• All sizes available – 0.145" x 1/2" (13mm) tapered shank + standard 0.157" shank in 3/4", 1", 1-1/4", 1-1/2", 2" & longer lengths
• Premium steel with zinc plating – corrosion-resistant for long-term durability
• Compatible with DEWALT & most powder-actuated tools – versatile use
• Optimized for concrete, masonry & steel applications
• Bulk packs (100 qty & more) – value for crews & large jobs
• DEWALT quality – reliable performance you trust