This 40Cr steel sucker rod coupling, manufactured to API 11B standards, features a full-size 1" x 7/8" design with API threaded ends for secure, reliable connections in oilfield applications. Constructed from high-strength 40Cr alloy steel and finished with a non-metallic phosphate coating, it offers enhanced durability, corrosion resistance, and longevity under demanding operational conditions.
Product Name: 40Cr Steel Sucker Rod Coupling
Design Standard: API 11B
Material: 40Cr Steel
Size: 1 Inch * 7/8 Inch
Coating: Non-Metallic Phosphate Coating
Thread: 7/8 Inch API Box to 1 Inch API Box