John Deere 03H1539 Round Head Square Neck Bolt is a John Deere equipment manufacturer (OEM) part, designed to meet the highest standards of quality and durability. Measuring 5/16 inch by 5/8 inch, this bolt is i for ensuring a secure fit in various applications. Whether you need assistance finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, from 8:00 AM to 5:00 PM EST, ready to help by phone or email. Hartville Hardware strives to provide accurate part recommendations sourced from reliable systems, though compatibility may change without notice. If you are uncertain about the part you require, their Customer Support Team is available to guide you. Model Number: 03H1539