(125 pcs) 5/8" X 2-1/2", Hex Head Lag Screw Bolts, AISI 304 Stainless Steel (18-8)


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  • Also known as a coach screws or heavy wood screws.
  • Interchangeably referred to as lag screws or lag bolts.
  • Used in heavy lumber applications, or in masonry when used with lag shields.
  • Type 304 stainless steel is defined as a Chromium-Nickel austenitic alloy.
  • Stainless steel significantly improves resistance to tarnishing or corrosion.


  • Diameter (Nominal): 5/8"
  • Diameter (Dimension): 0.625"
  • Thread Pitch: 5
  • Length (Nominal): 2-1/2"
  • Thread Length (Minimum): 1.75"
  • Across Flats (Basic): 15/16"
  • Head Height: 0.422"
  • Shoulder Diameter (Minimum): 0.605"
  • Shoulder Diameter (Maximum): 0.642"
  • Shoulder Length: 0.312"
  • Product Class: Externally Threaded Fasteners
  • Order: Thread Cutting Fasteners
  • Category: Lag Screws
  • System of Measurement: US Units
  • Brand: Aspen Fasteners®
  • Head Style: Hex Head
  • Drive Style: External Hex Drive
  • Thread Direction: Right-Hand Thread
  • Material: Stainless Steel
  • Material Grade: AISI 304 Stainless Steel (18-8)
  • Coating: Uncoated
  • Standards and Specifications: ASME B18.2.1 and SAE J429

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UPC: 692559438924

EAN: 692559438924