DuraDrive 3/16 in. x 4 in. Mushroom Head Hammer Strike Nail Anchor (100-Pack)

Item No. 31740
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DuraDrive 3/16in. x 4 in. Mushroom Head Hammer Strike Anchor (100-Pack)

DuraDrive 3/16in. x 4 in. Carbon Steel Mushroom Head Hammer Strike Nail Anchor is good for general purpose anchoring in concrete, block, brick or stone. It can be used light-duty, tamperproof applications. The anchor has a pre-expanded bend at the bottom of the anchor which straightens out to conform to the walls of the hole when hammered into the proper size pre-drilled hole. The anchor will always try to regain its pre-expanded bend which causes constant expansion pressure within the hole. This eliminates the need for any additional tightening or secondary setting operation. The anchor is not recommended for overhead, life-safety or sustained tensile loading applications.


  • General purpose anchoring
  • Zamac Alloy body with carbon steel drive nail
  • General applications include roof flashing, furring strips, mechanical attachments, electrical fixtures, maintenance, brick ties, and masonry anchorage


ApplicationMedium Duty
Diameter (in.)3/16in.
FinishCarbon Steel
Length (in.)4in.
Maximum Weight CapacitySee Technical Data Sheet
Measure TypeImperial
Technical Data SheetDuraDrive Strike Anchor TDS
Used For:Concrete & Masonry