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Prime-Line 9055517 Hex Lag Screws, 5/16 In. X 1-1/2 In., A307 Grade A Zinc Plated Steel (100 Pack)

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Product details

Management number 208197482 Release Date 2026/03/22 List Price $8.32 Model Number 208197482
Category

Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load. The hex head allows for lag screws to be tightened with more torque than can be used on Phillips head screws, though a pilot hole is still required prior to installation. Note that lag screws do not accept nuts as they are technically thick heavy duty wood screws with threads designed to cut into wood. They are ideal for use on decks since installation can be accomplished without having access to both ends of the fastener, as opposed to standard hex bolts that require a nut on the opposite end.

  • Size: 5/16 inch X 1-1/2 inch
  • Heavy duty wood screw with 6 sided hex bolt head
  • Features deep wood screw threads and does not accept a nut
  • Used in applications where standard wood screws cannot support the load (deck building, etc.)
  • Requires pilot hole to be drilled and installs using wrench or socket tool
UPC 049793112354
Size 5/16 in. -18
Brand PRIME-LINE
Color Zinc
Shape Bear
Usage Wood
Finish Zinc Plated
Material Steel
Head Type Hex
Head Style Hex
Metal Type Alloy Steel, Zinc
Item Weight 2.95 pounds
Part Number 9055517
Thread Size 5/16"
Thread Type Unc
Manufacturer Prime-Line
Thread Class Others
Thread Style Right Hand
Certification Asme B18.2.1; Astm A307a
Fastener Size 5/16"
Fastener Type Hex
Item Diameter 0.31 Inches
Exterior Finish Zinc
Thread Coverage Partially Threaded
Cutting Diameter 0.31 Inches
Number of Pieces 100
Item model number 9055517
Batteries Required No
Measurement System Imperial
Included Components Lag Screw Bolt
Tool Tip Description Hex
Item Package Quantity 1
Maximum Shear Strength [EST] 79,200 psi
Global Trade Identification Number 00049793112354

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