Hex Bolt - Class 10.9 M12-1.50 X 40 Dorman offers a comprehensive line of Bolts for a range of automotive applications. All our Bolts are constructed of high-quality materials for long-lasting durability. Available in many different styles, including stove, carriage, and plow. A variety of thread sizes and lengths available. Conveniently packaged in diverse piece counts to assist with both small and large projects. Also suitable for a broad range of industrial and commercial uses.