High-strength forged alloy steel piston rod for extreme drilling conditions, precision-machined to 0.01mm tolerance for flawless pump sealing. Chrome-plated surface treatment enhances corrosion resistance in harsh mud environments while reducing friction wear by 40%. Interchangeable with Bomco F500-F1600 series pumps with standardized thread specifications (API 7K compliant). Ideal for oilfield drilling rigs, geothermal operations, and heavy-duty industrial fluid transfer systems where 500+ PSI pressure endurance is critical. OEM-quality construction at wholesale pricing with bulk order discounts available.