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Grade 8 Hex Cap Screws Yellow Zinc

Grade 8 Hex Cap Screws Yellow Zinc


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Grade 8 Hex Bolt
  
  
  
 
List

Grade 8 Hex Cap Screws Yellow Zinc

Grade 8 Hex Cap Screws are manufactured from medium carbon alloy steel. In diameters 1/4 to 1 1/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1/2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1/4 to 2 1/2 inches is HRC 33-39. On diameters over 2 1/2 inches, hardness will range from HRC 31-39. Tensile strength on diameters 1/4 to 2 1/2 inches is a minimum of 150,000 psi. Diameters over 2 1/2 inches have a meet a minimum of 140,000 psi.

 
Grade 8 Hex Cap Screws
Nominal or
Basic
Diameter
Body DiameterWidth Across FlatsWidth Across
Corners
Head HeightThread Length
For Bolt Lengths
For
Screw
Lengths
≤ 6 in.
For
Screw
Lengths
> 6 in.
 Max.Min.BasicMax.MinMaxMinBasic.MaxMin.Ref.Ref
1/40.25000.25000.24507/160.4380.4280.5050.4885/320.1630.1500.7501.000
5/160.31250.31250.30651/20.5000.4890.5770.55713/640.2110.1950.8751.125
3/80.37500.37500.36909/160.5620.5510.6500.62815/640.2430.2261.0001.250
7/160.43750.43750.43055/80.6250.6120.7220.6989/320.2910.2721.1251.375
1/20.50000.50000.49303/40.7500.7360.8660.8405/160.3230.3021.2501.500
9/160.56250.56250.554513/160.8120.7980.9380.91023/640.3710.3481.3751.625
5/80.62500.62500.617015/160.9380.9221.0831.05125/640.4030.3781.5001.750
3/40.75000.75000.74101-1/81.1251.1001.2991.25415/320.4830.4551.7502.000
7/80.87500.87500.86601-5/161.3121.2851.5161.46535/640.5630.5312.0002.250
11.00001.00000.99001-1/21.5001.4691.7321.67539/640.6270.5912.2502.500
1-1/81.12501.12501.11401-11/161.6881.6311.9491.85911/160.7180.6582.5002.750
1-1/41.25001.25001.23901-7/81.8751.8122.1652.06625/320.8130.7492.7503.000
1-1/21.50001.50001.48802-1/42.2502.1752.5982.4801-5/160.9740.9023.2503.500

  • Finished Hex Nut
      
      
     

    Grade 8 Finished Hex Nuts Yellow Zinc

    SAE J995 Grade 8 
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    Used for fastening to a bolt when mechanically joining materials together. This type is also known as finished full. Made from tempered medium carbon alloy steel and zinc plated. Best for applications where high strength and hardness is required.
  • SAE Flat Washer
      
      
     

    Grade 8 SAE Flat Washers

     
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    SAE Washers are produced to comply with Society of Automotive Engineers specifications. They are of smaller O.D. and thinner gauges than their counterpart bolt sizes of U.S. Standard Washers. These are hardened and plated yellow zinc. For use with high carbon steel bolts and nuts.
  • Flat Washer
      
      
     

    Grade 8 USS Flat Washers

     
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    USS pattern flat washers are manufactured hardened and tempered. Zinc gold chromate plated. For use with Grade 8 hex head cap screws.
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