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

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

Country/Region china
City & Province shanghai shanghai

Product Details

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


 

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.

 


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 rodsSpecificationsLength (mm)ShankWeight (kg)
Tapered drill rodsTaper Angle: 4, 6, 7, 11, 12 degree400mm to 8000mmHex22mm*108mm Hex25mm*159mm Hex19mm*108mm1.7 - 24.9
Integral drill steelBit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm400mm to 4800mm3 – 15.4
Plug hole rodsChisel bit diameter: 17mm, 20mm, 22mm150mm to 710mm0.6 - 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

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