1/2 In. X 8 In. Carriage Bolt Kit Includes 12 Bolts, 12 Washers, And 12, Inch Product Details Carriage Bolt Kit: Includes 12 carriage bolts, 12 USS thick washers, 12 hex nuts. And 1/2" Diameter X 12" Long Auger Drill Bit with a 3/8" Hex Shank Made of high-quality materials, durable and corrosion resistant. Carriage bolts kit are designed to fasten a wood member to either wood and metal. Carriage Bolt Kit perfect for decks, pergolas, gazebos and heavy duty applications. 1/2"-13 diameter. Auger Drill Bit is Perfect for drilling into soft and hardwood, Lumber, Railroad Ties, Landscape Timber, Invisible Floating Shelf Bracket Installation, for up to 10? deep hole. If our Carriage Bolt Kit has any quality issues, please do not hesitate to contact us. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.