The Coupling OD 2-7/8" 6.5# Grade L80 EU for OCTG seam is a high-quality connector designed for oil country tubular goods. Made from Grade L80 material, notable for its strength and corrosion resistance, it ensures optimal performance in challenging environments. Its external upset (EU) design and 6.5-pound weight contribute to its robust and reliable structure. This coupling is precision-engineered, making it an essential component for professionals in the industry seeking efficiency and durability.
Coupling OD 2-7/8" 6.5# Grade L80 EU for OCTG seamless steel pipe

Products information
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Product Name: Coupling OD 2-7/8" 6.5# Grade L80 EU for OCTG seamless steel pipe
Size: 2-7/8"
Thread: EU(UPSET, UPTBG)
Grade: L80
Used for: As the adaptor of OCTG Seamless steel tubing pipe



Label 1 | Size a | Outside Diameter | Minimum Length NL mm | Diameter Of recess Q mm | Width of bearing face regular B mm | Maximum bearing face diameter B f | Mass kg | |||||||||
Outside Diameter D mm | EU Regular W bmm | EU Special Clearance W c cmm | NU | EU | NU | EU | NU | EU | NU | EU | NU | EU | NU | |||
Regular with special bevel mm | Special clearance mm | Regular with special bevel mm | Special clearance mm | |||||||||||||
1 | 2 | 3 | 4 | 6 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
1.050 | 26.67 | 42.16 | --- | 33.35 | 82.55 | 80.96 | 35.00 | 28.27 | 2.38 | 1.59 | 37.80 | --- | 30.00 | 0.38 | --- | 0.23 |
1.315 | 33.40 | 48.26 | --- | 42.16 | 88.90 | 82.55 | 38.89 | 35.00 | 2.38 | 2.38 | 42.77 | --- | 37.80 | 0.57 | --- | 0.38 |
1.660 | 42.16 | 55.88 | --- | 52.17 | 95.25 | 88.90 | 47.63 | 43.76 | 3.18 | 3.18 | 50.95 | --- | 47.17 | 0.68 | --- | 0.59 |
1.900 | 48.26 | 63.50 | --- | 55.88 | 98.42 | 95.25 | 54.76 | 49.86 | 3.18 | 1.59 | 58.34 | --- | 52.07 | 0.84 | --- | 0.56 |
2 3/8 | 60.32 | 77.80 | 73.91 | 73.02 | 123.82 | 107.95 | 67.46 | 61.93 | 3.97 | 4.76 | 71.83 | 69.90 | 66.68 | 1.55 | 1.07 | 1.28 |
2 7/8 | 73.02 | 93.17 | 87.88 | 88.90 | 133.35 | 130.18 | 80.16 | 74.63 | 5.56 | 4.76 | 85.88 | 83.24 | 80.98 | 2.40 | 1.55 | 2.34 |
3 1/2 | 88.90 | 114.30 | 106.17 | 107.95 | 146.05 | 142.88 | 96.85 | 90.50 | 6.35 | 4.76 | 104.78 | 100.71 | 98.42 | 4.10 | 2.38 | 3.71 |
4 | 101.60 | 127.00 | --- | 120.65 | 152.40 | 146.05 | 109.55 | 103.20 | 6.35 | 4.76 | 117.48 | --- | 111.12 | 4.82 | --- | 4.35 |
4 1/2 | 114.30 | 141.30 | --- | 132.08 | 158.75 | 155.58 | 122.25 | 115.90 | 6.35 | 4.76 | 130.96 | --- | 123.19 | 6.05 | --- | 4.89 |