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Square Head Bolts

2 results found that include 70 products

Find our line of machine bolts and fasten a wide range of machines. Also, called machine screws, these bolts can be used with appliances and electronics. Secure metal panels by fastening them with these bolts. Sift through a variety of our square head bolts. Mate them with nuts and preheated holes. They're also great for fastening metals with metals. Sort through a variety of strengths, sizes and hardness.Close

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  • Grade 5 Steel Square Head Bolts
    • TM

      Grainger Choice

    • Multiple product options available

      These bolts feature a square head design for use in heavy-duty applications. Grade 5 Steel construction is quenched and tempered to be hard and durable. However, the grade 5 bolts are more malleable than Grade 8, allowing them to better withstand shear force. Grade 5 Steel Square Head Bolts are the UNC equivalent of Metric Class 8.8 Steel Square Head Bolts.

      Multiple product options available

  • Class 8.8 Steel Square Head Bolts
    • TM

      Grainger Choice

    • Multiple product options available

      These bolts feature Class 8.8 construction. They are hard and durable, yet slightly more malleable than Class 10.9 steel bolts, allowing them to better withstand shear force. Class 8.8 Steel Square Head Bolts are the Metric equivalent of UNC Grade 5 Steel Square Head Bolts.

      Multiple product options available

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