Unleash the full potential of your Ariens equipment with the Ariens 05901638 25-20 x 2. 25 Grade 8 ZCC Hex Head Bolt. This reliable and durable bolt is designed to withstand heavy-duty use and provide a secure fit for your equipment. Made with high-quality materials, the Ariens 05901638 is the perfect replacement part for your Ariens machine. Upgrade your equipment today and experience improved performance with the Ariens 05901638 25-20 x 2. 25 Grade 8 ZCC Hex Head Bolt. Don't settle for anything less than the best for your Ariens equipment. Trust in the Ariens brand and part number 05901638 for all your equipment needs.