carbon steel front grader blade comes in a stunning number of configurations and spacing. Standard Highway Punch (3-3-12 spacing) is the most common, but even that has options. Plow blades come with countersunk holes for plow bolts, square punched holes for carriage bolts or round holes to accept hex bolts. 本产品网址：http://www.vooec.com/cpshow_158044437/ 手机版网址：http://m.vooec.com/product_158044437.html 产品名称：high carbon steel blade
