The flush joint drill pipe is made of extra heavy duty steel pipe with heat-treated tool joints. Shrink fit and welded on. Wrench flats are provided on tool joints. Available in 5, 10, 15, 20 and 25 feet lengths.
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FLUSH JOINT DRILL PIPE

 

The flush joint drill pipe is made of extra heavy duty steel pipe with heat-treated tool joints. Shrink fit and welded on. Wrench flats are provided on tool joints. Available in 5, 10, 15, 20 and 25 feet lengths.

FLUSH JOINT DRILL PIPE

Size
Wall
Thickness
ID of
Tool Joint
Tool Joint
Thread
3 1/2”
0.300”
1 3/4”
2 3/8 API IF
4 1/2”
0.337”
2 7/16”
3 1/2 API FH
Heavy duty external flush drill pipe for BLAST HOLE DRILLS up to 8 5/8" OD and wall thickness up to 1" and length up to 35 feet with API or BECO thread connections having break out flats on tool joints are available on request.

EXTERNAL UPSET DRILL PIPE
 

The External upset drill pipe is made of seamless steel tube with API Internal Flush tool joint connections. Tool joints are heat treated. Threads are specially processed to prevent galling. Counter bore welded joints are also available.


Size
ID OF
TOOL JOINT
OD OF
TOOL JOINT
CONNECTION
Length
2 3/8”
1 3/4”
3 3/8”
2 3/8 API IF
20’ - 22’
2 7/8”
2 1/8”
4 1/8”
2 7/8 API IF
20‘ - 22’
3 1/2”
2 11/16”
4 3/4”
3 1/2 API IF
20‘ - 22’

FLANGED TYPE DRILL PIPE
 


Designed specially for reverse circulation drilling rig. Made out of standard 6” or 8” heavy duty pipes in the length of 10 feet only. The heavy duty flanged ends are fastened with bolts and dowel pins.

Flanged type drill pipes with external air injection system are also available.


Size
OD
Wall
Thickness
OD of
The
Flange
Length
Weight
Per Foot
KGS.
Type
Connection
6 5/8 “
0.280 “
11 “
10 ‘
10.500
Standard
(4) 7/8” 9 NC Bolt - 3” Long
6 5/8 “
0.280 “
11 “
10 ‘
12.250
External Air
(4) 7/8” 9 NC Bolt - 3” Long
8 5/8 ”
0.322 ”
15 ”
10 ‘
19.000
Standard
(8) 7/8” 9 NC Bolt - 5” Long
8 5/8 ”
0.322 ”
15 ”
10 ‘
20.000
External Air
(8) 7/8” 9 NC Bolt - 5” Long

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