challenge course construction
- January 04, 2022
Machine bolts are a type of fastener that is used to join together two or more components like wood beams to utility poles, or metal brackets to steel columns, etc. They are available in a variety of types, sizes, materials, chemical treatments, and can be used in a wide range of applications on a ropes course or zipline structure.
One of the most important factors to consider when choosing a machine bolt is the grade. The grade of a machine bolt indicates its strength and performance and a specific grade may be called out by standards, regulations or engineering criteria. The higher the grade, the stronger the bolt.
Some of the most common grades of machine bolts include:
- A307: This is a general-purpose grade that is suitable for most applications.
- A325: This is a high-strength grade that is used in applications where high strength is required.
- Grade 8: This is a very strong grade that is used in applications where extreme strength is