New Arrivals/Restock

Grade 8 Hex Cap Screws Zinc Yellow Plated 5/8"-18 x 3-1/2", 25 -Pieces, Fine Thread Partially Threaded 1.5 inches of Thread by Newport Fasteners

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Used  US$32.80
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Product details

Management number 215641298 Release Date 2026/04/12 List Price US$32.80 Model Number 215641298
Category

A cap screw made from medium carbon alloy stel and heat treated. Deisgned for use in high stress applications.

  • A grade 8 bolt is stronger than the more commonly used grade 5.
  • Grade 8 Steel
  • Fine Thread / Partially Threaded 1.5 inches of Thread
  • Manufactured to ASME B18.2.1 & SAE J429 specifications
  • Tensile Strength: 150,000 psi. min, 1/4 – 1.5 inch diams)
Brand Newport Fasteners
Color yellow
Size Name 5/8-18 x 3 1/2 inch
Item Weight 9 Pounds
Part Number N455480-25
Thread Size 5/8-18
Thread Type Unf
Drive System External Hex
Grade Rating Grade 8
Manufacturer Newport Fasteners
Thread Style Right Hand
Fastener Type Hexagon Bolt
Item Hardness Grade 8
Material Type Alloy Steel
Exterior Finish Zinc
Thread Coverage Fine
Screw Head Style Hex
Manufacturer Grade Grade 8
Set Screw Thread Type Fine

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