New Arrivals/Restock

1/2 x 4" Square Head Machine Bolt Plain Steel (Quantity: 25) Coarse Thread, Partially Threaded, 1/2-13 x 4"

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Product details

Management number 211257034 Release Date 2026/04/04 List Price US$32.00 Model Number 211257034
Category

Square heads are best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind. It is simple to fit a tool over the square shape even when there are no visual markers available.

  • Diameter-Threads Per Inch: 1/2-13
  • Length: 4 inch
  • A307 is the specification for carbon steel bolting, studs, and threaded rod with 60,000PSI tensile strength. Standard Hex Head
  • Head Width Across Flats: 0.75-0.725 inches / Head Width Across Corners: 1.061-0.995 inches
  • Head Height: 0.348-0.308 inches
UPC 696297854008
Brand Newport Fasteners
Item Weight 7 Pounds
Part Number 211598-25
Drive System Square
Manufacturer Newport Fasteners
Thread Style Right Hand
Fastener Type Hexagon Bolt
Material Type Alloy Steel
Exterior Finish Plain
Screw Head Style Square
Manufacturer Grade Grade 2

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