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A490 Type 1 Structural Bolts Plain - Domestic USA

A490 Type 1 Structural Bolts Plain - Domestic USA


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A490 Hex Bolt
  
  
 
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A490 Type 1 Structural Bolts Plain - Domestic USA

These A490 Type 1 (medium carbon and alloy steel) structural bolts are designed for use in structural connections and subsequently have shorter thread lengths than standard hex bolts. A490 bolts are similar to A325 heavy hex structural bolts but are manufactured from an alloy steel instead of medium carbon steel, making them a higher strength fastener.

A490 Type 1 Structural Bolts Plain - Domestic USA
 
 A490 Type 1 Structural Bolts
Nominal
Size
or Basic
Product
Diameter
Body
Diameter
Width Across
Flats
Width Across
Corners
Head
Height
Thread
Length
Max.Min.BasicMax.Min.Max.Min.BasicMax.Min.Ref.
1/20.50000.5150.4827/80.8750.8501.0100.9695/160.3230.3021.00
5/80.62500.6420.6051- 1/161.0621.0311.2271.17525/640.4030.3781.25
3/40.75000.7680.7291- 1/41.2501.2121.4431.38315/320.4830.4551.38
7/80.87500.8950.8521- 7/161.4381.3941.6601.58935/640.5630.5311.50
11.00001.0220.9761- 5/81.6251.5751.8761.79639/640.6270.5911.75
1 1/81.12501.1491.0981- 13/161.8121.7562.0932.00211/160.7180.6582.00
1 1/41.25001.2771.22322.0001.9382.3092.20925/320.8130.7492.00
1 3/81.37501.4041.3452- 3/162.1882.1192.5262.41627/320.8780.8102.25
1 1/21.50001.5311.4702- 3/82.3752.3002.7422.62215/160.9740.9022.25

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