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API Drill collar as per API 7-1, 1.OD:4"-11", 2.Material:AISI4145H, 3.Length:30ft,31ft, 4.MOQ: 25 Tons - details see: https://www.machineto.com/spiral-drill-collar-api-7-1-spiral-drill-collar-10317701

Drill collar

1.OD:4"-11"
2.Material:AISI4145H
3.Length:30ft,31ft
4.MOQ: 25 Tons

We are Petrochina subcompany !

DZ50 2 3/8"Drill Pipe For Water Well/Oilfield Drilling/Geological Mining:
Grade:DZ50
OD:2 3/8"(60mm)
WT:7.11mm
Length:R1,R2.R3

Detaild Product Description:

2 3/8" Water Well Drill Pipe For Sale :

Grade:DZ50

OD of pipe body: 2 3/8" (60mm)

OD of joint: 85.7mm .

Wall Thickness:.7.11mm

Length:R1,R2,R3

Steel Gade	E75, G105, S135,X95
Specification OD	2 3/8" (60mm)
Internal Coating	TC2000,TC3000,TK34,TK34p
Hardbanding	ARNCO 100XT,200XT,300XT,BOTN3000,ARMACORM
Length	R1:5.49-6.71m R2:8.23-9.14 R3:11.58-13.72m
product	API oil drill pipes, Water well drill pipes, Flat drill pipes, Non-dig drill pipes,Geographical drill pipes and various tool jonts.

All the specification of drill pipes:

OD(mm)	Ø50	Ø60	Ø73	Ø89	Ø102	Ø114	Ø127
OD TOOL JIONTS (mm)	Ø65	Ø75	Ø105	Ø127	Ø133.4	Ø158.8	Ø168
WALL THICKNESS(mm)	6.5	7.1	9.19	9.5	8.38	8.56	9.19
LENGTH(mm)	1000~4500	1000~4500	1500~9500	1500~9500	3000~9500	1500~9500	5000-9600
mine blasting, water well drilling, geothermal wells drilling, Forepoling, coal and nonferrous metal mining projects

Drill Pipe (E.X.G.S)
Size	Weight Designation	Calculated Plain-End weight		Outside Diam.		Wall Thickness
(inch)		Lb/ft	kg/m	Inch	mm	Inch	mm
2-3/8	6.65	6.26	9.32	2.375	60.3 mm	0.280	7.11 mm
2-7/8	10.40	9.72	14.48	2.875	73.0 mm	0.362	9.19 mm
3-1/2	9.50	8.81	13.12	3.500	88.9 mm	0.254	6.45 mm
3-1/2	13.30	12.31	18.34	3.500	88.9 mm	0.368	9.35 mm
3-1/2	15.50	14.63	21.79	3.500	88.9 mm	0.449	11.40 mm
4	14.00	12.93	19.26	4.000	101.6 mm	0.330	8.38 mm
4-1/2	13.75	12.24	18.23	4.500	114.3 mm	0.271	6.88 mm
4-1/2	16.60	14.98	22.31	4.500	114.3 mm	0.337	8.56 mm
4-1/2	20.00	18.69	27.84	4.500	114.3 mm	0.430	10.92 mm
5	16.25	14.87	22.15	5.000	127.0 mm	0.296	7.52 mm
5	19.50	17.93	26.71	5.000	127.0 mm	0.362	9.19 mm
5	25.60	24.03	35.79	5.000	127.0 mm	0.500	12.70 mm