Size	OD (mm)	ID (mm)
WLA	44.7	37.3
WLB	55.7	46.1
WLN	70.0	60.2
WLH	89.0	78.0
WLP (PHD)	114.5	101.5
AW/ AWJ/AWY	43.7	30.7
BW/ BWJ/ BWY	54.0	38.0
NW/ NWY	66.8	51.0
HW	89.0	71.0
42	42.0	30.0
50	50.0	37.0
60	60.0	48.0
70	73.0	54.6
90	89.0	69.0
S75	71.0	61.

3. Size Available/ Diameter:

Casing pipe Metric Series Casing size:

SIZE	O.D.(mm)	I.D.(mm)
46	44.15	37.15
56	54.15	47.15
66	64.25	57.25
76	74.25	67.25
86	84.25	77.25
101	98.00	88.30
116	113.00	103.30
131	128.00	118.30
146	143.00	133.30

4. Flush-jointed W series Casing size:

Size	OD		ID
Size	Inch	mm	Inch	mm
BW	2.874	73.0	2.374	60.3
NW	3.500	88.9	3.000	76.2
HW	4.500	114.3	4.000	101.5
PW	5.500	139.7	5.000	127.0

5. Flush-Coupled X Series Casings

Size	OD		ID
Size	Inch	mm	Inch	mm
NX	3.500	88.9	3.000	76.2
HX	4.500	114.3	3.937	100.0
PX	5.500	139.7	4.867	123.6

6. Flush-jointed Water Well Casings (B.S.879)

Size	OD		ID
Size	Inch	mm	Inch	mm
4"	4 1/2"	114.3	3 7/8"	98.3
5"	5 1/2"	139.7	4 7/8"	123.7
6"	6 5/8"	168.3	5 7/8"	149.3
8"	8 5/8"	193.7	7 7/8"	174.7

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Diamond Core Bit

Reaming Shells

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Diamond Core Bit

Reaming Shells

Wireline Core Barrel

Wireline Drill Rod

Horizontal Directional Drilling Rigs

Water Well Drilling Rig

CBM Drilling Rig

HDD Drilling Tools

Tungsten Carbide Inserts

Drilling Mud Pumps

Top Drive Oil Rig

Cone Penetration Test Apparatus

Underground Drill Rig

Plastic Pipe Welding Machine

Solar Photovoltaic Products

Rotary Air Blowers

products details

Core Drill Rig

Diamond Core Bit

Reaming Shells

Wireline Core Barrel

Wireline Drill Rod

Horizontal Directional Drilling Rigs

Water Well Drilling Rig

CBM Drilling Rig

HDD Drilling Tools

Tungsten Carbide Inserts

Drilling Mud Pumps

Top Drive Oil Rig

Cone Penetration Test Apparatus

Underground Drill Rig

Plastic Pipe Welding Machine

Solar Photovoltaic Products

Rotary Air Blowers

Drill Pipe Casing For Mining , Flush-jointed Water Well Casings 4" - 8 "

steel casing pipe

well drilling pipe

oil hardening drill rod

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