Torpedo Screw-Bolt

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  • Designed for standard ANSI tolerance drill bits
  • Patented thread design offers toughened threads for tapping high strength concrete
  • Low installation torque in concrete and masonry
  • Universal product for concrete and grouted/solid masonry
  • Ratchet teeth on underside of hex washer head lock against the fixture
  • Can be installed closer to a free edge than traditional expansion anchors
  • Fully removable and re-installable in same hole
  • Fast installation with powered impact wrench, but can also be installed manually
  • Diameter, length and identifying marking stamped on head of each anchor
  • One-piece, finished head design


  • Racking, shelving and material handling
  • Support ledgers and sill plate attachments
  • Barriers, guards and temporary supports
  • Glazing and window attachments
  • Retrofits, repairs and maintenance
  • Fencing and railing
  • Cracked and un-cracked concrete
  • Seismic and wind loading
Additional information

Additional Information

Dimensions N/A