Henan Jinzen Rock Drilling Tools Company
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Drill rod is a tool that connects drill bit and is matched with rock drilling machine to drill in the rock or soil.Drill rods
include light drill rods and heavy drill rods.
Light drill rods include tapered drill rod, shank rod, and integral drill rod.
Tapered drill rod: It is a hexagonal hollow rod with a shank structure. The shank is connected with the rock drilling
equipment.The head of the rod is a taper structure that can be connected with a tapered bit.
Shank rod: It is a hexagonal hollow rod with a shank structure. The shank is connected to the rock drilling equipment. The head of the rod is a threaded shape that can be connected with a threaded bit.
Integral drill rod: It is a rock drill tool that combines the shank adapter, shank collar, drill rod, and drill bit as a whole. It is suitable for small diameter shallow holes and is usually used for broken rock, weathered rock, and other soft rock.
Specifications
(1) Type: Male-Male Rod, Male-Female Rod
(2) Thread: R22, R25, R28, R32, R38, T38, T45, T51,
(3) Rod size: hex. 22mm, hex. 25mm, hex. 28mm, hex. 32mm, hex. 35mm,
dia. 39mm, dia. 46mm. dia. 52mm
(3)Length: 0.4m-6m
(4)Package: in wooden case or in bundles.
Heavy drill rods mainly include drill rods used for drifting and tunneling rigs, benching drilling rigs, and Open-cutting drilling
rigs. They are mainly classified as follows:
Feature
1. Classification by thread type
There are mainly two types of R-thread and T-thread.
R-thread specifications are R25, R28, R32, R38, etc. The basic dimensions and button profile of the R-thread mainly refer to the industry standard ISO10208.
T-thread specifications are T38, T45, T51, etc. The basic dimensions and button profile of T-thread mainly refer to the corporate standards that are almost the same.
2. According to the internal and external thread form of the drill rod
It mainly includes extension rod and MF rod.
Extension rod: a drill rod with external threads at both ends.
MF rod: a drill rod with external thread at one end and internal thread at the other end.
Picture of Mining Machinery Parts
Rock Drill Spare Parts
Tapered chisel bits and cross bit: reasonable selection of steel and tungsten carbide which perfectly bonded by high-frequency welding.
Tapered button bits: Cold forging process and excellent heat treatment exactly combined with the cold inlaying technique.
Thread cross and button bits: Correct selection of material and hot mounting process.
DTH bits: good quality combination of material selection, heat treatment, and cold inlaying process.
DTH hammer: good quality combination of accurate gas distribution, impeccable processing process, selection of material and heat treatment.