Hard-to-Find Fastener Grade 8 Fine Hex Cap Screws, Bulk Pack, Steel Hex Bolts for Construction, Home Improvement, 1/2-20 x 4, Pack of 10

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$22.12
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Product details

Management number 218173901 Release Date 2026/05/03 List Price $8.85 Model Number 218173901
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Ensure your projects are securely fastened with grade 8 fine thread hex cap bolts from Hard-To-Find Fastener. Manufactured from Grade 8 hardened steel for superior durability and high-torque applications, these large bolts feature a hex cap that allows for greater torque application than circular caps. The greater diameter of these steel hex bolts allows for stronger, more heavy-duty load bearing across the join. Designed with a fine thread for higher tensile strength, these hex head bolts are ideal for precision fastening in automotive, industrial, and heavy machinery projects.

  • Premium Strength: Manufactured from Grade 8 hardened steel for superior durability and high-torque applications
  • Fine Threading: Designed with a fine thread for higher tensile strength in fastenings and more precise applications
  • Hex Cap Construction: These large bolts feature a hex cap that allows for greater torque application than circular caps
  • Large Hex Bolts: The greater diameter allows for stronger, more heavy-duty load bearing across the join and reduced loosening under vibration
  • Versatile Use: Ideal for precision fastening in automotive, industrial, and heavy machinery projects. Excellent for high‑stress, high‑load applications.
  • Diameter: 1/2"
  • Length: 4 Inch
  • Material: Steel
  • Finish: Yellow Zinc
  • Head Style: Hex (3/4 Wrench)
UPC 738287008944 014973253912
Brand Hard-to-Find Fastener
Color Yellow
Model 014973253912
Set Name 10 pieces
Head Type Hexagonal
Size Name 1/2-20 x 4
Metal Type Alloy Steel
Unit Count 10.0 Count
Part Number HCS8-305-10
Thread Size 1/2"-20
Thread Type Unf
Drive System External Hex
Finish Types Yellow Zinc
Grade Rating Grade 8
Manufacturer Hard-to-Find Fastener
Thread Class 3A
Thread Style Right Hand
Fastener Size 4 inches
Fastener Type Hexagon Bolt
Item Diameter 0.5 Inches
Item Hardness Grade 8
Material Type Alloy Steel
Exterior Finish Yellow Zinc
Item Dimensions 4.5 x 3.25 x 2.13 inches
Number Of Items 10
Thread Coverage Partially Threaded
Number of Pieces 10
Screw Head Style Hex
Screw Point Style Hex Point
Manufacturer Grade Grade 8
Set Screw Thread Type Unified National Fine (UNF)
Maximum Shear Strength 150 ksi (1000 MPa)
Compatible Groove Diameter 0.5 Inches
Global Trade Identification Number 00738287008944

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