Bolt Machine Hex Head Steel Black Oxide

Bolt Machine Hex Head Steel Black Oxide

from A$2.85

In the 1830s, square-headed bolts were superseded by the hex head bolt. The widespread use of hex nuts and bolts came about due to innovation in engineering and metallurgy. Hex head nuts and bolts and the tools to use them require close tolerances, whilst their square head predecessors required less accurate tolerances.

As machinery became smaller and more compact, the hex head evolved to meet the need for more compact bolt heads.

These hex head bolts are suited for fastening metal to metal and metal to timber and are most commonly used to secure two objects where there is access to the backside to install a nut.

Compatible with our range of black oxide hex nuts.

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Specifications

  • M10 Bolt Grade: PC 4.6

  • M12 Bolt Grade: PC 8.8

  • Black Oxide finish - not suitable for outdoor use

Additional Information

We currently carry a limited range of sizes and a small amount of stock. We will continue to increase our range and stock levels over time. Contact us if you require a specific size not on the list or a larger quantity.

If our shipping quote seems incorrect, please contact us so we can try to accurately give you a figure based on your order quantity and location. If you are an international purchaser and your country is not specified, please contact us and we will do our best to get you a quote. International buyers: please be aware that you may be subject to import duties/taxes in your country.

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