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Round Extension drill rod

Product name:3660mm Extension rod T51-Round52-T51
Lenghth:3660mm
Weight:54.1kg
Material:23CrNi3Mo

Key words：

Thread Drill Rod

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Product Details

Description

Extension rod Other names are Extension drill steel, Extension drill rod, and Extension steel, M/Frod (Speed rod), Extension drill rod transmits power from rock drill piston to rock, one side of the rod is connected to coupling or shank adapter, while the other side is connected with threaded drill rod.Round extension rods are generally lighter than hexagonal rodsand are normally used in extension drilling applications. With the longer steel tending to be larger in diameter, conventional extension steel is characterizedby duplicate thread on each end of the steel.
Round extension rods are made by hollow drill steels, different lengths are available from 600mm to 6400mm. This hollow hole are usually named flushing hole, used for transmitting water or air during drilling. And the threads can be used for connecting couplings, shanks adapters or bits.

Performance

Made of high quality material, durable
High concentricity Easy to use and easy work
The round handle adapter is suitable for light electric hammers

Application

Drilling duties in tunneling, construction, mining, quarrying, etc.

Details Form

Drill rod	length		out diameter		Weight （kg）	HLDRLL P/N
Drill rod	mm	foot	mm	inch	Weight （kg）	HLDRLL P/N
Extension rod T38-Round39-T38 Flushing hole 14.5mm Wrench flat 32mm	1220	4'	39	1 1/2	10.2	23R39-T38-1220-23
	1525	5'	39	1 1/2	12.8	23R39-T38-1525-23
	1830	6'	39	1 1/2	15.3	23R39-T38-1830-23
	2435	8'	39	1 1/2	20.4	23R39-T38-2435-23
	3050	10'	39	1 1/2	25.5	23R39-T38-3050-23
	3660	12'	39	1 1/2	30.9	23R39-T38-3660-23
	3965	13'	39	1 1/2	33.2	23R39-T38-3965-23
	4270	14'	39	1 1/2	35.7	23R39-T38-4270-23
	4880	16'	39	1 1/2	41.0	23R39-T38-4880-23
	5530	18'11/2"	39	1 1/2	46.3	23R39-T38-5530-23
	6095	20'	39	1 1/2	50.9	23R39-T38-6095-23
MF-rod T38-Round39-T38 Flushing hole 14.5mm	915	3'	39	1 1/2	10.7	24R39-T38/57-0915-23
	1220	4'	39	1 1/2	13.3	24R39-T38/57-1220-23
	1525	5'	39	1 1/2	15.8	24R39-T38/57-1525-23
	1830	6'	39	1 1/2	18.3	24R39-T38/57-1830-23
	3050	10'	39	1 1/2	28.5	24R39-T38/57-3050-23
	3660	12'	39	1 1/2	33.6	24R39-T38/57-3660-23
	4270	14'	39	1 1/2	38.7	24R39-T38/57-4270-23
	4880	16'	39	1 1/2	43.7	24R39-T38/57-4880-23
	5530	18'11/2"	39	1 1/2	49.2	24R39-T38/57-5530-23
	6095	20'	39	1 1/2	53.9	24R39-T38/57-6095-23
Double thread rod T38-Round39-T38	3050	10'	46	1 3/4	25.7	23R39-T38/2T38-3050-23
Double thread rod T38-Round39-T38	3660	12'	46	1 3/4	30.9	23R39-T38/2T38-3660-23
Guide speedrod T38-round46-T38 Flushing hole 17mm	1830	6'	46	1 3/4	23.5	24R46-T38/57-1830-23
	3050	10'	46	1 3/4	37.2	24R46-T38/57-3050-23
	3660	12'	46	1 3/4	44.0	24R46-T38/57-3660-23
	4270	14'	46	1 3/4	50.9	24R46-T38/57-4270-23
	4880	16'	46	1 3/4	57.7	24R46-T38/57-4880-23
	5530	18'11/2"	46	1 3/4	65.0	24R46-T38/57-5530-23
	6095	20'	46	1 3/4	71.3	24R46-T38/57-6095-23
Extension rod T45-Round46-T45 Flushing hole 17mm Wrench flat 38mm	1830	6'	46	1 3/4	21.6	23R46-T45-1830-23
	2435	8'	46	1 3/4	28.3	23R46-T45-2435-23
	3050	10'	46	1 3/4	35.2	23R46-T45-3050-23
	3660	12'	46	1 3/4	42.1	23R46-T45-3660-23
	4270	14'	46	1 3/4	48.9	23R46-T45-4270-23
	5530	18'	46	1 3/4	63.0	23R46-T45-5530-23
	6095	20'	46	1 3/4	69.3	23R46-T45-6095-23
MF-rod T45-Round46-T45 Flusging hole 17mm	1525	5'	46	1 3/4	21.2	24R46-T45/65-1525-23
	1830	6'	46	1 3/4	24.6	24R46-T45/65-1830-23
	3050	10'	46	1 3/4	38.2	24R46-T45/65-3050-23
	3660	12'	46	1 3/4	45	24R46-T45/65-3660-23
	4270	14'	46	1 3/4	51.9	24R46-T45/65-4270-23
	5530	18'	46	1 3/4	66.0	24R46-T45/65-5530-23
	6095	20'	46	1 3/4	72.3	24R46-T45/65-6095-23
Guid speedrod T45-Round52-T45 Flusging hole 21.5mm	3050	10'	52	2	46.6	24R52-T45/65-3050-23
	3660	12'	52	2	55.8	24R52-T45/65-3660-23
	4270	14'	52	2	63.8	24R52-T45/65-4270-23
	5530	18'	52	2	81.5	24R52-T45/65-5530-23
	6095	20'	52	2	89.4	24R52-T45/65-6095-23
Extension rod T51-Round52-T51 Flushing hole 21.5mm Wrench flat 45mm	3050	10'	52	2	45.3	23R52-T51-3050-23
	3660	12'	52	2	54.1	23R52-T51-3660-23
	4270	14'	52	2	63.0	23R52-T51-4270-23
	4880	16'	52	2	71.8	23R52-T51-4880-23
	5530	18'	52	2	81.2	23R52-T51-5530-23
	6095	20'	52	2	89.4	23R52-T51-6095-23

MF-rod T51-round52-T51 Flushing hole 21.5mm	1525	5'	52	2	26.2	24R52-T51/72-1525-23
	1830	6'	52	2	30.6	24R52-T51/72-1830-23
	3050	10'	52	2	48.3	24R52-T51/72-3050-23
	3660	12'	52	2	57.1	24R52-T51/72-3660-23
	4270	14'	52	2	66	24R52-T51/72-4270-23
	4880	16'	52	2	74.8	24R52-T51/72-4880-23
	5530	18'	52	2	84.2	24R52-T51/72-5530-23
	6095	20'	52	2	92.4	24R52-T51/72-6095-23

Guide tube D76 for bits from 89-102mm and D87 for bits from 102-127mm	1830	6'	76	3	42	24G76-T51/76-1830-23
	3660	12'	76	3	81	24G76-T51/76-3660-23
	3660	12'	87	3 1/2	86.0	24G87-T51/87-3660-23


MF-rod. For bits from 96mm Flushing hole 22.5mm	3660	12'	60	2 3/8	73.9	24R60-T60/85-3600-23
	4265	14'	60	2 3/8	85.5	24R60-T60/85-4265-23
	6095	20'	60	2 3/8	116.6	24R60-T60/85-6095-23
	4265	14'	64	2 1/2	95	24R64-T60/85-4265-23
MF-rod. For bits from 92-115mm Flushing hole 22.6mm.	3660	12'	60	2 3/8	73.9	24R60-T60/82-3600-23
	4265	14'	60	2 3/8	85.5	24R60-T60/82-4265-23
	6095	20'	60	2 3/8	116.6	24R60-T60/82-6095-23
Pilot Tube Female end OD 85mm (82mm on 76mm tubes)	1600	5'3"	87	3 1/2	39	24G87-T60/85-1600-23
	4265	14'	87	3 1/2	99	24G87-T60/85-4265-23
	5335	17'6"	76	3	124.9	24G87-T60/85-5335-23
Drill Tube	3660	12'	87	3 1/2	87.8	24G87-T60/87-3600-23
Drill Tube	4265	14'	87	3 1/2	99	24G87-T60/87-4265-23

HENGLONG workshop and Process of manufacturing

Packing and shipping

Factory

Customer visit

Production

QUALITY INSPECTION PROCESS

Product quality is one of the core links in the development and growth of Yanggu Henglong Engineering Co., Ltd. Our company has strict internal and external inspection processes to ensure the quality of our products. Our inspection process for our products is as follows.

Thread Drill Rod