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Hexagonal hollow steel drill rod with drill rod with shank 108mm for Anchoring drilling
Hollow Hexagonal Drill Steel
Product details
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.
ROSCHEN Hollow Hexagonal Drill Steel has following advantages:
1. High fatigue strength and toughness, high intension.
2. High resistance to wear and permanent distortion.
3. Industrial process of heat treatment.
4. Uniform straightness, eliminating the need for straightening.
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
Steel Grade: 95CrMo
Chemical Composition:
C: 0.92-1.03PCT
Si: 0.25-0.45PCT
Mn: 0.25-0.45PCT
Cr: 0.80-1.20PCT
Ni: 0.25PCT MAX
Mo: 0.20-0.30PCT
S,P: 0.025PCT MAX
Cu: 0.30PCT MAX
Hollow drill steel 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 advanced industrial process to assure high
drilling performance.
Integral Drill Steels, Hollow Hexagonal Drill Rods and Tapered
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 Hex25mm*159mm Hex19mm*108mm | 1.7 - 24.9 |
| Integral drill steel | Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm | 400mm to 4800mm | 3 – 15.4 | |
| Plug hole rods | Chisel bit diameter: 17mm, 20mm, 22mm | 150mm to 710mm | 0.6 - 2.9 |
For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
Email: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com ; http://www.roschen.net
http://www.roschen.cn ; http://www.roschendrill.com
http://www.roschenmining.com ; http://www.roschendrilling.com
