Allen Bolt Types: Versatility Across Various Industries The versatility of Allen Bolt Types makes them an essential component across a wide range of industries, from automotive manufacturing to furniture assembly. These bolts are widely preferred for their ease of use, as they can be tightened using a simple Allen wrench, making them ideal for both professionals and DIY enthusiasts. ... http://mayoworld.com/hexagonal-stainless-steel-allen-bolt-types-for-industrial-uses-606