1-1/4-7 X 4in UNC Grade 8 #3 Dome Head Scraper Blade Plow Bolt Plain Finish

This Grade 8 plow bolt is commonly referred to as a scraper blade bolt, having a square neck and dome-style head. Popular use is with bulldozer and snowplow blades. Made from AISI 4037 and 4042 steel, these bolts shall be heat treated, oil quenched and tempered at a minimum tempering temperature of 800 degrees (F). Proof Load is 120,000 PSI with a minimum Yield Strength of 130,000 PSI and Tensile Strength of 170,000 PSI. PB1144#3