Bulk Expansion Shield Anchors – Single & Double – Zinc Alloy – 1/4" to 3/4" – Monster Bolts Length:500 Qty - 1/4" - Double Drive: Torx® T25 6-lobe recess—high

Drive: Torx® T25 6-lobe recess—high torque

Type F thread cutting provides high torque strength and excellent resistance to vibration loosening — ideal for long-lasting assemblies

The A2-70 stainless steel provides excellent corrosion resistance

Thermal Black Oxide: Low-gloss appearance with light oil for mild corrosion protection (RoHS compliant)

Manufactured from high-quality carbon steel with a zinc and bake finish

Bulk Expansion Shield Anchors – Single & Double – Zinc Alloy – 1/4" to 3/4" – Monster Bolts Length:500 Qty - 1/4" - Double Drive: Torx® T25 6-lobe recess—highMonster Overview: Expansion Shield Anchors Zinc Alloy from Monster Bolts are versatile, heavy duty fasteners designed for concrete, brick, block, and masonry. Available in both single and double expansion versions, these anchors are engineered to provide a secure hold where vibration or shifting loads are a concern. Available in sizes from 1 4" up to 3 4", these zinc alloy shields expand outward as the screw or bolt is tightened, gripping the base