DEWALT, 1/4 in Dia, 1 in Overall Lg, Hammer Drive Pin Anchor - 453H43|02858-PWR - Grainger
1/4 inch x 3/4 inch Hammer Drive Anchor Zinc- 1000 pcs
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Mardatt 100 Pcs M6 Heavy Duty Hammer Drive Pin Anchors Assortment Set M6*40/50/60mm Metal Mushroom Head Anchor Drive Expansion Nail Fastener Rivet for Concrete Drywall: Amazon.com: Industrial & Scientific
Hillman 1/4 In. x 1-3/4 In. Strike Hammer Drive Anchor (50 Ct.) - Town Hardware & General Store
Amazon.com: 1/4" X 4" Zinc Plated Hammer Drive Anchors (Box of 100) : Industrial & Scientific
3/8 in Dia, 3 1/2 in Overall Lg, Hammer Drive Pin Anchor - 11K329|U70651.037.0350 - Grainger