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Powers Fasteners 3/8" x 4" Mushroom Spike (Must Order in Quantities of 25)

Brand: Powers Fasteners Mfg#: 05552
Product#: 21105552
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SPECIAL ORDER ONLY – Call your local branch (see Location link above). The SPIKE® anchor is a patented, one-piece, tamper-proof vibration resistant anchor for use in concrete, block, brick or stone. Several head styles and anchor materials are available. The SPIKE® anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism. Since the anchor is pre-expanded, there is no secondary tightening operation required which greatly reduces the overall cost of an anchor installation.


  • Pipe and tie wire spike is an easy to install alternative to direct fastening
  • Pre-Expanded Anchor design allows for easy installation
  • Forming Spike, which is removable can be used for temporary installations
  • Mushroom and flat head spike anchors are tamper-proof


  • Brand: Powers Fasteners
  • Material: Carbon Steel/AISI 1038
  • Anchor Length: 4 in
  • Finish: ASTM B633 Zinc Plated
  • Type: 1-Piece
  • Ultimate Tension: 2875 lb
  • Anchor Diameter: .375 in
  • Ultimate Shear: 5075 lb
  • Drill Bit Size: .375 in
  • Head Style: Mushroom
  • Minimum Embedment Depth: 1.75 in
  • Usage: For Tamperproof Applications, Cable Trays and Strut, Pipe Hanging, Metal Track Attachments