Wear Parts and G. From a Heavy Equipment parts dealer/distributor. Bolt On, Reversible, Heat Treated, Double Bevel Cutting Edge. 1 – KV17819 Cutting Edge, Heat Treated(for Max Wear Life). 6 – 5/8″ x 2 1/4″ Grade 8 Plow Bolts. 6 – 5/8 N.