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Hexagonal Hollow Steel Drill Rods With R32 Button Bits for Blast Hole Drilling

1-5 pcs
Hexagonal Hollow Steel Drill Rods With R32 Button Bits for Blast Hole Drilling
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Name: Hexagonal Hollow Steel Drill Rod
Item: Hollow Hexagon Drill Rod
Drill Rod Supplier: Hollow Hexagon Drill Rod Suppliers And Manufacturers
Drill Rod Sales: Wholesale Hollow Hexagon Drill Rod
Hollow Drill Rod Sales: Hollow Hexagon Drill Rod Suppliers
Drill Rod Factory: Hollow Hexagon Drill Rod Factory
Sale Rods: B22 Hexagonal Steel Hollow Tapered Drill Rod For Coal Mining
Selling Hollow Drill Rod: Hollow Hexagon Drill Rod, Wholesale Various High Quality Hollow Hexagon Drill Rod Products From Global Hollow Hexagon Drill Rod Suppliers And Hollow Hexagon Drill Rod Factory,Importer,Exporter
Series: Steel Drill Rod
Supply Rods: Hollow Steel Rod
Series No: Hollow Metal Rod
Model Item: Steel Hollow Bar For Mining Drill Rod
Hollow Drill Rod Size: B22 Hexagonal Steel Hollow Tapered Drill Rod
Type: Hollow Drill Steel
Type No: Steel Drill Rod
Drill Rod For Sale: Buy Drill Rod For Sale,Tapered Drill Rod,B22 Drill Rod Product
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Basic Infomation
Place of Origin: CHINA
Brand Name: ROSCHEN
Certification: ISO
Model Number: 22 25 28 32 38 42
Payment & Shipping Terms
Packaging Details: steel bundle
Supply Ability: 10000 tons
Product Description

Hexagonal Hollow Steel Drill Rods With R32 Button Bits for Blast Hole Drilling


HEXAGONAL HOLLOW STEEL DRILL ROD With R32 Button Bits for Blast Hole Drilling


Description & Specification
Product Name: hex hollow steel
Types: Tapered drill rods, Integral drill rods, Plug hole rods


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.


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.


hollow drill steel

The hollow drill steel is vital material for making drill rods. It is typically supplied as steel hollow bars that made from premium grade steel and through closely-controlled metallurgical process. The result is quality hex hollow drill steel with increased hardenability, uniform grain structure, and excellent machinability, which is difficult to break.

Drill rods made of Roschen hollow steel bars deliver stable drilling performance and extended wear life.

Materials: 55SiMnMo, 40SiMnCrNiMoA, 23CrNi3Mo, 80Cr, 95CrMo, 60Si2MnA


Specifications: B19, B22, B25, B28, B32, B38, B42 

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


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Contact Person : Bill, George, Michael
Tel : 8613764195009
Fax : 86-021-54380177
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