Steel Hex Bolt, Grade 5, Zinc Plated Finish, Hex Head, External Hex Drive, Meets ASME B18.2.1/SAE J429, 5/8" Length, Fully Threaded, 5/16"-18 UNC Threads, Imported (Pack of 100)

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Management number 221110654 Release Date 2026/05/03 List Price US$10.02 Model Number 221110654
Category

The grade 5 steel hex bolt has a zinc plated finish and an external hex drive, and meets American Society of Mechanical Engineers ASME B18.2.1 and Society of Automotive Engineers SAE J429 specifications. Grade 5 steel, composed of quenched and tempered medium carbon steel, is often used in applications where strength is the primary concern. The material is magnetic. The zinc plating offers corrosion resistance and a reflective appearance. The external hex drive has six flat sides that a wrench can grip to turn the screw from the side, enabling use when there is no space above the head for a driver.Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.

  • Grade 5 steel is often used in applications where strength is the primary concern
  • Zinc plating resists corrosion and has a reflective appearance
  • External hex drive tightens from the side with a wrench, enabling use when there is no space above for a driver
  • Meets ASME B18.2.1 and SAE J429 specifications
UPC 082893405520
Brand Small Parts
Color zinc
Model 847072
Set Name 100
Head Type Hex
Size Name 5/16"-18
Unit Count 100.0 Count
Item Weight 2.1 Pounds
Part Number B005KN4G5W
Thread Size 5/16"-18
Thread Type Unc
Drive System External Hex
Finish Types Plated
Grade Rating Grade 5
Manufacturer Brighton Best
Thread Class 2A
Thread Style Right Hand
Fastener Size #10-12
Fastener Type Hexagon Bolt
Item Hardness Grade 5
Material Type Alloy Steel
Exterior Finish Zinc
Item Dimensions 0.63 inches
Number Of Items 100
Thread Coverage Fully Threaded
Number of Pieces 100
Screw Head Style Hex
Screw Point Style Hex
Manufacturer Grade Grade 5

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