STUD 1/2" x 6.62 LG (SKU A5009), forged from API 7K-certified SCr440 alloy steel with quenching+tempering (HRC28-32), tensile strength ≥125ksi, compatible with D65 series mud pump power ends, ANSI B1.1 thread standard, recommended installation torque 80-100ft-lb.
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