How To Recognize Hex Bolts
Hex bolts can be used either in pre-tapped holes or with nuts, depending on the application. They can then be tightened using a range of tools including a hex bolt wrench, socket sets, spanners, hex keys, and ratchet spanners.
The hexagon-shaped head ensures that it is easy to grip hex bolts from multiple angles, using different types of tools. This makes their installation and removal a straightforward process, plus ensuring it is also easy to loosen or tighten hex bolts once they are in situ.
Fully-threaded hex bolts
Fully-threaded hex bolts are threaded from the end of the bolt right up to the head. They are ideal for use in heavy-duty fastening applications and are best suited to installation in pre-threaded holes. Properly installed fully-threaded hex bolts are designed to spread the pressure across the full length of the bolt, providing a greater level of strength than partially-threaded alternatives.
Partially-threaded hex bolts
Partially-threaded hex bolts are only threaded from partway down the bolt’s length to the end. An unthreaded shank (also known as grip length) joins the threaded shank and the head. Partially-threaded bolts provide strong levels of resistance. 5train on the unthreaded part of the shank is prevented by the design which ensures that section has no weak spots.
Steel hex bolts
Steel is available in varying strengths and
grades – typical standards for steel hex bolts include EN8 steel and EN16 steel. As a guideline, the higher the number, the stronger the steel.
Stainless steel hex bolts
Stainless steel is another popular choice for hex bolts thanks to its strong corrosion-resistant properties. Hex bolts made from stainless steel can be used in either internal or external applications, but zinc-plated steel is another common alternative well-suited to indoor uses.
Brass hex bolts
You may also find hex bolts made from other materials like brass, but this is less common. Although brass provides a high level of resistance against corrosion, it is usually more expensive so is often overlooked in favour of steel.
