Integral drill rod, another name called integral drill steels, integral rods are used by hand held rock drill in granite and marble quarries, underground mining, for small blasting hole drilling shank H22x108mm, H19x108mm, and standard hex. Bit diameters include 20-42mm, different lengths are available from 400mm to 8000mm usually.
Tapered drill rod, another name called taper rod, tapered drill steels, This provides a hexagonal chuck section to provide leverage for the rotation chuck bushing. It usually has a forged collar to maintain the proper shank striking face position in the rock drill, and a tapered bit end. Tapered steel lengths available from 0.6 m to 3.6 m in length- Are measured from the collar to the bit end.
Main Products:
1-12 inch middle-low/high air pressure DTH hammers & bits
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling
Eccentric overburden drilling Equipment
Hole opener bit
Rock thread bit (R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60)
Extension Rod, M/F Rod, M/m Rod, Drift Rod,
Shank adapter, coupling sleeves and all kinds of adapters
| Size |
Nominal mass Lb/ft |
Calculated weight type |
Wall thickness |
| in. |
mm |
lb/ft |
kg/m |
in. |
mm |
| 2 3/8 |
60.3 |
6.65 |
6.26 |
9.32 |
0.280 |
7.11 |
| 2 7/8 |
73.0 |
10.4 |
9.72 |
14.48 |
0.362 |
9.19 |
| 3 1/2 |
88.9 |
9.50 |
8.81 |
13.12 |
0.254 |
6.45 |
| 3 1/2 |
88.9 |
13.30 |
12.31 |
18.34 |
0.368 |
9.35 |
| 3 1/2 |
88.9 |
15.50 |
14.63 |
21.79 |
0.449 |
11.40 |
| 3 1/2 |
88.9 |
15.50 |
14.63 |
21.79 |
0.449 |
11.40 |
| 4 |
101.6 |
14.00 |
12.93 |
19.26 |
0.330 |
8.38 |
| 4 1/2 |
114.3 |
13.75 |
12.24 |
18.23 |
0.271 |
6.88 |
| 4 1/2 |
114.3 |
16.60 |
14.98 |
22.31 |
0.337 |
8.56 |
| 4 1/2 |
114.3 |
20.00 |
18.69 |
27.84 |
0.430 |
10.92 |
| 5 |
127.0 |
16.25 |
14.87 |
22.15 |
0.296 |
7.52 |
| 5 |
127.0 |
19.50 |
17.93 |
26.71 |
0.362 |
9.19 |
| 5 |
127.0 |
19.50 |
17.93 |
26.71 |
0.362 |
9.19 |
| 5 |
127.0 |
25.60 |
24.03 |
35.79 |
0.500 |
12.70 |
| 5 |
127.0 |
25.60 |
24.03 |
35.79 |
0.500 |
12.70 |
| 5 1/2 |
139.7 |
21.90 |
19.81 |
29.51 |
0.361 |
9.17 |
| 5 1/2 |
139.7 |
24.70 |
22.54 |
33.57 |
0.415 |
10.54 |
Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 95% against the original products
B. Price are competitive against the famous brands and best quality against the small factory
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 15 years.
2. We have advanced technology and equipment.
3. Our technician has more than 15 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Philippines, Thailand, India, etc.
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