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China water well drilling rig

Pin-Pin Adapters

                                                                                                                                                      Pin-Pin Adapters

Connection Box up A API 2 3/8"Reg API 2 3/8"Reg API 2 3/8"Reg API 3 1/2"Reg API 3 1/2"Reg API 4 1/2"Reg
Box down B API 2 3/8"Reg API 2 7/8"Reg API 3 1/2"Reg API 3 1/2"Reg API 4 1/2"Reg API 4 1/2"Reg
Length C(mm) 70 152.40 96 177.8 92 203.2
Length Shoulder J(mm) 20 50.80 35 63.5 12.7 76.2
Width Spanner Flats E(mm) 50.8 50.8 50.8 50.8 69.85 50.8
Std bore d(mm) 24 25.40 24/26 44.45 38.1 58.7
Outer Dia. Top D1(mm) 78 88.90 114.3 114.3 114.3 146
Bottom D2(mm) 78 88.90 114.3 114.3 139.7 146
Across Flat F(mm) 65 69.85 98.4 98.4 120.65 120.65

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