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FLUSH JOINT DRILL PIPE |
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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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Size |
Wall
Thickness |
ID of
Tool Joint |
Tool Joint
Thread
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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.
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EXTERNAL UPSET DRILL PIPE |
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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.
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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’ |
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FLANGED TYPE DRILL PIPE |
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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.
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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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