Hollow Hexagonal Drill Steel, is a rock drill steel or integral drill steel without tips. Hollow Drill Steel Bar is a type of
steel specially used in drill rod manufacture, high intension and toughness.
Integral drill rod without tip shank sizes 82.5 mm*22mm(3 1/4"*7/8"), 108mm*22mm(4 1/4"*7/8"), 108mm*25mm(4 1/4"*1"),
159,*25mm(6 1/4"*1). Lengths: 400mm to 6400mm(1'4"-21'). Head diameters: 27mm to 40mm.
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Integral drill steels technical specification as follows :
| Processing Type: |
Forging |
| Types |
Tapered drill rods, Integral drill rods, Plug hole rods |
| Application: |
Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling |
| Material: |
High quality carbide and high quality steel |
| MOQ: |
No requirement for testing and trial order |
We can produce as your request of carbide size, different length of drill rods.
| Types of drill rods |
Specifications |
Length(mm) |
Shank |
Weight (kg) |
| Tapered drill rods |
Taper Angle: 4, 6, 7, 11, 12 degree |
400mm to 8000mm |
Hex22mm*108mm |
1.7 - 24.9 |
| Integral drill steel |
Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm |
400mm to 4800mm |
Hex25mm*159mm |
3 - 15.4 |
| Plug hole rods |
Chisel bit diameter: 17mm, 20mm, 22mm |
150mm to 710mm |
Hex19mm*108mm |
0.6 - 2.9 |
Reliable Atlas copco drill steel
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 a |
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Material: 95CrMo (Same as SANDBAR 20 or C253)
Diameter: Hex. 22mm, 25mm, 28mm, 32mm, 38mm.
Length: 800mm, 1600mm, 2400mm, 3200mm or any length according to your requirement.
Package: Wrapped with plastic knitting and then into bundles.
Hot Rolled Hexagonal Hollow Drill Steel
Integral drill steel without tips
This drill steel is widely used in stone quarrying and very popular in India.Its common length as 800mm,1600mm,2400mm and 3200mm.
The chemical composition of the integral drill steel without tips is as below:C:0.9%--1.0%, SI:0.15%--0.4%, MN:0.15%-0.4%,
CR:0.8%-1.2%, MO;0.15%--0.3%,HRC38.5
Integral drill steel without tips,which is widely used in stone quarrying,and very popular in India market.It can reduces the
expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter
from 30mm to 41mm usually. Each rods use premium quality alloy steel and excellent quality tungsten carbide to assure
high drilling performance.
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