5/8"‑11 × 1‑3/4" Grade 8 Dome Head Plow Bolt No. 3 – 150,000 PSI, Plain Finish

The 5/8"‑11 × 1‑3/4" Grade 8 dome head plow bolt (No. 3) is engineered for severe‑duty applications requiring maximum strength and a flush, low‑profile head. Manufactured to Grade 8 specifications with a minimum tensile strength of 150,000 PSI, this bolt features a smooth dome head and square neck to prevent rotation during tightening. Supplied with a plain (uncoated) finish, it is well suited for plow blades, graders, heavy equipment, and wear‑surface installations where durability, secure fastening, and resistance to shear and impact loads are critical.