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Steel Hex Bolt, Grade 8, Zinc Yellow-Chromate Plated Finish, Hex Head, External Hex Drive, Meets IFI 111/SAE J429/ASTM B633, 2" Length, Partially Threaded, 1/4"-20 UNC Threads (Pack of 50)

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ASIN B006HYBRZ0

Product Specifications
Brand Name
Small Parts
Part Number
B006HYBRZ0
Head Diameter
3/8  inches
Head Height
9/32  inches
Length
2  inches
Fastener Size
1/4"-20
Thread Size
1/4"-20
Thread Coverage
Partially Threaded
Flange Diameter
9/16  inches
Pkg Qty
50
Thread Class
2A
Thread Style
UNC
Specification for this product family (See all  products)
Drive Style
External Hex
Exterior Finish
Zinc Yellow-Chromate Plated
Specification Met
IFI 111 , SAE J429 , ASTM B633
Manufacturer Grade
Grade 8
Material Type
Steel
Head Style
Hex
UNSPSC Code
31161501
Thread Style
Right Hand
System of Measurement
Inch

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Key Features

  • Grade 8 steel is often used in applications where strength is the primary concern
  • Zinc yellow-chromate plating offers good corrosion resistance
  • External hex drive tightens from the side with a wrench, enabling use when there is no space above for a driver
  • Meets IFI 111, SAE J429, and ASTM B633 specifications

Package Details

Shipping Weight: 1.65 pounds
Package Size: 5.2 x 4.1 x 1.1 inches

Product Description

The grade 8 steel hex bolt has a zinc yellow-chromate plated finish and an external hex drive, and meets Industrial Fasteners Institute IFI 111, Society of Automotive Engineers SAE J429, and American Society for Testing and Materials ASTM B633 specifications. Grade 8 steel, composed of quenched and tempered medium carbon alloy steel, is stronger than grade 5 steel and is often used in applications where strength is the primary concern. The material is magnetic. The zinc yellow-chromate plating offers good corrosion resistance. 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.

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