1/4" X 2-1/2" (100 Pack) Galvanized Carriage Bolt Kit Grade 307A Includes 1/4" 1/4 x 2-1/2 (100 pack) Carriage Bolts with Washers, Hot Dip Galvanized by Makers Bolt Product Features Diameter: 1/4" | Length: 2-1/2" | Head diameter: 0.578" | Nut diameter: 1/4" | Nut wrench size: 7/16" | Washer outside diameter: 47/64" Kit includes 100 Grade 307A carriage bolts, 100 USS thick washers, 100 Grade 2/A hex nuts Hot dip galvanized coating for superior corrosion resistance, Suitable for use in ACQ treaded lumber The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications Meets or Exceeds: ASME B18.5, ASTM A307, ASME B18.2.2, ASTM A563, ASME B18.21.1, ASTM F2329 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!