API standard 3 1/2'' alloy steel Non magnetic Drill Collar
Basic Info
Model No.: Drill collar
Product Description
1.Product Description of non-magnetic drill collar non-magnetic drill collar are manufactured from integral non magnetic alloy steel accroding to API spec7 and SY/T5144. All thread can be phosphated, copperised or cold worked. All thread are machined with CNC Lathes-double-shouldered and special thread. Product: | oilfield API non-magnetic drill collar |
Size: | 3 1/8"-11" |
Delivery time: | 30 days after receive the deposit. |
Standard | API Spec 7-1 |
Payment Term: | 30% advance by T\T; Balance pay against shipping documents or irrevocable LC at sight |
2.Product Specification: OD | ID | Length mm | Bevel Diamater | Bend strength | |||
mm | in | mm | in | ||||
79.4 | 3 1/8 | 31.8 | 1 1/4 | 9150 | 76.2 | 2.57:1 | |
88.9 | 3 1/2 | 38.1 | 1 1/2 | 9150 | 82.9 | 2.42:1 | |
104.8 | 4 1/8 | 50.8 | 2 | 9150 / 9450 | 100.4 | 2.43:1 | |
120.7 | 4 3/4 | 50.8 | 2 | 9150 / 9450 | 114.7 | 2.58:1 | |
127 | 5 | 57.2 | 2 1/4 | 9150 / 9450 | 121 | 2.38:1 | |
152.4 | 6 | 57.2 | 2 1/4 | 9150 / 9450 | 144.5 | 2.49:1 | |
152.4 | 6 | 71.4 | 2 13/16 | 9150 / 9450 | 145.5 | 2.84:1 | |
158.8 | 6 1/4 | 57.2 | 2 1/4 | 9150 / 9450 | 149.2 | 2.91:1 | |
158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 150 | 2.63:1 | |
165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150 / 9450 | 154.8 | 2.76:1 | |
165.1 | 6 1/2 | 71.4 | 2 13/16 | 9150 / 9450 | 154.8 | 3.05:1 | |
171.4 | 6 3/4 | 57.2 | 2 1/4 | 9150 / 9450 | 159.5 | 3.18:1 | |
171.4 | 6 3/4 | 71.4 | 2 13/16 | 9150 / 9450 | 159.5 | 2.37:1 | |
177.8 | 7 | 57.2 | 2 1/4 | 9150 / 9450 | 164.7 | 2.54:1 | |
177.8 | 7 | 71.4 | 2 13/16 | 9150 / 9450 | 164.7 | 2.73:1 | |
184.2 | 7 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 169.5 | 3.12:1 | |
196.8 | 7 3/4 | 71.4 | 2 13/16 | 9150 / 9450 | 185.3 | 2.70:1 | |
203.2 | 8 | 71.4 | 2 13/16 | 9150 / 9450 | 190.1 | 3.02:1 | |
209.6 | 8 1/4 | 71.4 | 2 13/16 | 9150 / 9450 | 195.7 | 2.93:1 | |
228.6 | 9 | 71.4 | 2 13/16 | 9150 / 9450 | 212.7 | 3.17:1 | |
241.3 | 9 1/2 | 76.2 | 3 | 9150 / 9450 | 223.8 | 2.81:1 | |
247.6 | 9 3/4 | 76.2 | 3 | 9150 / 9450 | 232.6 | 2.57:1 | |
254 | 10 | 76.2 | 3 | 9150 / 9450 | 237.3 | 2.81:1 | |
279.4 | 11 | 76.2 | 3 | 9150 / 9450 | 266.7 | 2.84:1 | |
Size OD | Depth of Cut | Spirals | Direction | Pitch | Type |
3 1/8" - 5" | 7/32 ± 1/32 | 3 | R.H. | 38±1 | A |
6" - 6 1/4" | 9/32 ± 1/18 | 3 | R.H. | 42±1 | A |
6 1/2" - 6 3/4" | 5/18 ± 1/18 | 3 | R.H. | 46±1 | A |
7" | 5/18 ± 1/18 | 3 | R.H. | 64±1 | A |
7 1/4" - 7 3/4" | 11/32 ± 1/18 | 3 | R.H. | 64±1 | B |
8" - 8 1/4" | 3/8 ± 1/18 | 3 | R.H. | 68±1 | B |
9" - 9 3/4" | 13/32 ± 3/32 | 3 | R.H. | 72±1 | B |
10" | 7/18 ± 3/32 | 3 | R.H. | 76±1 | B |
11" | 15/32 ± 3/32 | 3 | R.H. | 80±1 | B |
4.Our factory 
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Contact information 
If you want to know more information here welcome you in any time. Contact us if you need more details on Non Magnetic Drill Collar. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Drill Collar Weights、Heavy Weight Drill Collar. If these products fail to match your need, please contact us and we would like to provide relevant information. Product Categories : Drilling Equipments > Drilling Tools
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