UCAN Fastening Products' 1/4 in. Zinc-Plated Drop-In Concrete Anchors are ideal for applications that require secure anchoring without deep embedment. Whether youre working on structural installations, HVAC systems, or electrical fixtures, these anchors deliver dependable performance. The internal expansion plug ensures that once installed, the anchor stays firmly in place, even under pressure. With their ease of installation and reliable hold, these anchors are an essential fastening solution for concrete-based applications.