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.
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:
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.
Light drill rods: tapered drill rods, shank rods, and integral drill rods.
Heavy drill rods: extension rods and MF rods.
Light drill rods: 300mm-6000mm(without shank , conventional lengh of shank is 108mm).
Heavy drill rods: 600mm-2000mm(Drill rods less than five meters are available).
|Type||Specification||Length||Across Flat||Thread Type||Weight|
|Extention rod||K24632-3700-1513||3700||12′ 1 1/2″||H32||1 1/4″||R38+R32||24.35|
|K24632-4305-1513||4305||14′ 1 3/64″||H32||1 1/4″||R38+R32||28.37|
|K24632-4915-1513||4915||16′ 1 1/2″||H32||1 1/4″||R38+R32||31.40|
|K24632-3700-2513||3700||12′ 1 1/2″||H32||1 1/4″||T38+R32||23.60|
|K24632-4305-2513||4305||14′ 1 3/64″||H32||1 1/4″||T38+R32||27.50|
|K24635-3090-1513||3090||10′ 1 5/8″||H35||1 3/8″||R38+R32||24.38|
|K24635-3700-1513||3700||12′ 1 1/2″||H35||1 3/8″||R38+R32||29.27|
|K24635-4305-1513||4305||14′ 1 3/64″||H35||1 3/8″||R38+R32||34.10|
|K24635-4915-1513||4915||16′ 1 1/2″||H35||1 3/8″||R38+R32||39.00|
|K24635-5525-1513||5525||18′ 1 33/64″||H35||1 3/8″||R38+R32||43.88|
|K24635-3090-2513||3090||10′ 1 5/8″||H35||1 3/8″||R38+R32||24.38|
|K24635-3700-2513||3700||12′ 1 1/2″||H35||1 3/8″||T38+R32||29.27|
|K24635-4305-2513||4305||14′ 1 3/64″||H35||1 3/8″||T38+R32||34.10|
|K24635-4915-2513||4915||16′ 1 1/2″||H35||1 3/8″||T38+R32||39.00|
|K24635-5525-2513||5525||18′ 1 33/64″||H35||1 3/8″||T38+R32||43.88|
|K24635-6135-2513||6135||20′ 1 1/2″||H35||1 3/8″||T38+R32||48.77|
|MF rod||K25635-3700-2513||3700||12′ 1 1/2″||H35||1 3/8″||T38+R32||30.64|
|K25635-4305-2513||4305||14′ 1 3/64″||H35||1 3/8″||T38+R32||35.48|
|K25635-4915-2513||4915||16′ 1 1/2″||H35||1 3/8″||T38+R32||40.37|
|K25635-5525-2513||5525||18′ 1 33/64″||H35||1 3/8″||T38+R32||45.26|
The above specifications mainly take the R32 heavy drill rod as an example.
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