7 11 12 degree tapered drill rod
Taper Drill Rods
B22 Tapered Rock Shank Rods/Tapered drill rods
Hex. 22 Special Hot Treatment Tapered Drill Rod for Small Hole Drilling
Hex 22 Rock Drilling Tools Tapered Drill Rod 7 Degree For Mining
hex19 hex22 hex25 taper drill rods for taper button bits
4.8 6 7 11 12 degree tapered rock rodswith hex22mm
Shank Hex. 22/25mm *108mm(4 1/4”)
Length
|
Weight Approx. Kg
|
mm
|
Inch
|
800
|
2’7 1/2”
|
2.9
|
1600
|
5’3”
|
5.4
|
2000
|
6’6 3/4”
|
6.6
|
2400
|
7’10 1/2”
|
7.8
|
3200
|
10’6”
|
10.2
|
3500
|
11’5 3/4”
|
11.1
|
4000
|
13’1 1/2”
|
12.7
|
400
|
1’3 3/4”
|
1.7
|
800
|
2’7 1/2”
|
2.7
|
1600
|
5’3”
|
5.4
|
1830
|
6’
|
6.0
|
2000
|
6’6 3/4”
|
6.7
|
2435
|
8’
|
7.7
|
3050
|
10’
|
9.8
|
3200
|
10’6”
|
10.1
|
3660
|
12’
|
10.1
|
4000
|
13’1 1/2”
|
11.4
|
4800
|
15’9”
|
15.1
|
5600
|
18’4 1/2”
|
17.1
|
6400
|
21’
|
19.5
|
7200
|
23’ 71/2”
|
22.0
|
8000
|
26’3”
|
24.2
|
铸件
