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55SiMno Grade Steel Bars Hexagonal Hollow Steel Drill Rod With Shank (108mm) For Deep Foundation Drilling

1 tons
55SiMno Grade Steel Bars Hexagonal Hollow Steel Drill Rod With Shank (108mm) For Deep Foundation Drilling
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Name: Integral Drill Rod
Type: Hollow Hexagonal Drill Steel
Model: Drill Rod With High Quality
Size: 108mm Shank H22 Integral Drilling Rod
High Quality: Buy Integral Drill Steel - High Quality Manufacturers ...
Use: Mining Drill Steel
Functions: Mining Drill Steel Suppliers, Buyers
Item: Drill Rod
Origin: China Drill Pipe
Type Name: Kelly Bar Manufacturers
Drilling: Drifting Drill Rod
Drill Rod Supplier: High Quality Manufacturers Drifting Drill Rod
Whole Sale: Wholesale Square Hollow Section
High Light:

Anchor Coupling


Self Drilling Rock Bolt

Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 22 - 89 MM
Payment & Shipping Terms
Packaging Details: steel bundle
Supply Ability: 1000000 tons
Product Description

55SiMno grade steel bars hexagonal hollow steel drill rod with shank (108mm) for Deep Foundation Drilling
55SiMno grade steel bars hexagonal hollow steel drill rod i need drill rod with shank (108mm)55SiMno grade steel bars hexagonal hollow steel drill rod with shank (108mm)
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.

Integral Drill Steel is used by a hand held drill machine in Underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. 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 24mm to 44mm usually. Regarding Integral drill steels, the quality of a steel material and a tungsten carbide is very important to get good drilling performance.

According to different application, different lengths are available from 600mm to 9600mm.


1. Steel grade: 95CrMo equivalent to SANDBAR 20 or C253, 55SiMnMo
2. Shank size: hex19mm hex.22mm, including Plug Hole Rod
3. Head Diameter: 24mm-44mm
4. Length: 0.4m-10m
5. Package: in wooden case or in bundles.
6. Productivity: 20000pcs/month

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.

55SiMno grade steel bars hexagonal hollow steel drill rod with shank (108mm) for Deep Foundation Drilling 

Hollow Hexagonal Drill Steel Specifications
Type Rod Dia(mm) Thread Type Length(mm)
H19 19.2 T16X6-M14 500-3000
H19 19.2 T16X6-M16 500-3000
H19 19.2 T16X6-M18 500-3000
H22 22.2 Taper connecting 500-6000
H22 22.2 T19X6-T19 500-6000
H22 22.2 T19X6-T20 500-6000
H25 25.35 Taper connecting 500-6000
H25 25.35 T22X6-T22 500-6000

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





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