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3/4" x 4" Plain Lag Screw

Mfg#: 277LBB344
Product#: 277LBB344
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Carriage and Lag bolts are typically and specifically used with timber or “Wood to Wood” applications. Each design requires a pre-drilled hole while they are very different serving a variety of uses. Lag Bolts are basically large wood screws to “Lag” together lumber


  • Type: Fully Threaded
  • Material: Carbon Steel
  • Length Under Head: 4 in
  • Screw Size: 0.75-4.5 in
  • Thread Length: 4 in
  • Shoulder Length: 0.375 in
  • Material Specification: Grade A
  • Tolerance: +/-0.25 in
  • Standards: ASME B18.2.1-1996
  • Head Style: Hexagonal
  • Finish: Plain
  • Point Type: Gimlet
  • Shoulder Diameter: 0.729 - 0.768 in
  • Usage: Used with Timber or Wood to Wood Applications