Our company offers a drilling pipe, manufacture of the USA, the following diameters:

1) 5" Drill Pipe as per API 5DP Friction welded tool joints as per API Spec 7-1 & API RP-7G. Pipe O.D. 5.00" 19.50 PPF (127.00 mm x 9.19mm) 95% RBW G 105, S 135 Range 2/3 (lengths as per customer requirements) with NC 50 IF (ID=85.70 mm x OD = 165.10 mm) 10" Pin x 12" Box tong lengths, 18 Degree Box Taper x 35 Degree Pin Taper with Heavy Duty plastic Thread protectors.

2) 5 1/2" Drill Pipe as per API 5DP Friction welded tool joints as per API Spec 7-1 & API RP-7G. Pipe O.D. 5.50" 24.70 PPF (139.70 mm x 10.54mm) 95% RBW G 105, S 135 Range 2/3 (lengths as per customer requirements) with 5 1/2" FH (ID=101.60 mm x OD = 177.80 mm) 10" Pin x 12" Box tong lengths, 18 Degree Box Taper x 35 Degree Pin Taper with Heavy Duty plastic Thread protectors.

3) 4" Drill Pipe as per API 5DP Friction welded tool joints as per API Spec 7-1 & API RP-7G. Pipe O.D. 4.00" 14.00 PPF (101.60 mm x 8.38mm) 95% RBW G 105, S 135 Range 2/3 (lengths as per customer requirements) with NC 40 FH (ID=71.40 mm x OD = 133.30 mm) 10" Pin x 12" Box tong lengths, 18 Degree Box Taper x 35 Degree Pin Taper with Heavy Duty plastic Thread protectors.

4) 4 1/2" Drill Pipe as per API 5DP Friction welded tool joints as per API Spec 7-1 & API RP-7G. Pipe O.D. 4 1/2" 16.60 PPF (114.30 mm x 8.56mm) 95% RBW G 105, S 135 Range 2/3 (lengths as per customer requirements) with NC 46 IF (ID=76.20 mm x OD = 158.80 mm) 10" Pin x 12" Box tong lengths, 18 Degree Box Taper x 35 Degree Pin Taper with Heavy Duty plastic Thread protectors.