A na-eji MEEL K500 Bolts na akụ n'ọtụtụ ụlọ ọrụ n'ihi nguzogide elu ha, nguzogide nke corrosion na ịdịte aka. Ọ bụ Nickel Allow na ihe mejupụtara nke 63% nickel na ọla kọpa nke 27%, n'etiti ihe ndị ọzọ. Nke ọkpọkọ bụ onye na-emepụta nke monel k500 bolts na mkpụrụ nke ụdị na nha niile. Ngwa Facener gụnyere ụlọ ọrụ na-ahụ maka mmanụ, ngwa ike, putrochemicals, kemịkalụ, na-aga, na-enye, na ụlọ ọrụ pulp na akwụkwọ.