Factory price drill pipe 7 11 12 degree conical drill pipe for mining tunnel
Applicable models
Tapered drill rods are used in pneumatic rock drills and hydraulic rock drills. Such as YT24, YT27, YT28, YT29.
Moderately hard to hard and abrasive rock formations.
| Product name |
H22 H25 professional taper drill rods |
| Length |
500mm ~8200mm |
| Shank size |
Hex.22mm, Hex.25mm. |
| Taper degree |
7°,11°12° |
| Weight |
1.5~11.5KG |
| Packing specification |
Wooden Case |
| Applicaton |
Construction works , Energy & Mining |
|
The relationship between taper angle and taper end diameter |
|||
|
|
Taper degree |
Short/Long |
Taper end |
|
|
4°46′ |
Short skirt |
19.1mm |
|
7° |
Short skirt |
16.0mm |
|
|
11° |
Short skirt |
18.0mm |
|
|
12° |
Short skirt |
16.8mm |
|
|
12° |
Long skirt |
14.9mm |
|
|
H22x108mm shank, 4°46' 7°11°12° taper degree |
|||
|
Length(L) |
Part Number |
Weight |
|
|
mm |
Foot/inch |
|
Kg |
|
400 |
1'33/4'' |
TRH22L0400 |
1.7 |
|
800 |
2'71/2'' |
TRH22L0800 |
2.9 |
|
1830 |
6' |
TRH22L1830 |
6.0 |
|
2000 |
6'63/4'' |
TRH22L2000 |
6.5 |
|
2435 |
8' |
TRH22L2435 |
7.8 |
|
3050 |
10' |
TRH22L3050 |
9.9 |
|
3200 |
10'6'' |
TRH22L3200 |
10.1 |
|
4000 |
13'13/8'' |
TRH22L4000 |
12.7 |
|
4800 |
15'87/8'' |
TRH22L4800 |
15.1 |
|
5600 |
18'45/18'' |
TRH22L5600 |
17.5. |
|
6400 |
21' |
TRH22L6400 |
20.0 |
|
7200 |
23'71/4'' |
TRH22L7200 |
22.4 |
|
8000 |
26'23/4'' |
TRH22L8000 |
24.9 |
