HDD drill rod are used in horizontal directional drilling machine .Various demands are available.

 Thread form and the length of drill pipe can be manufactured in accordance with user requirements.

Bitmap Parameter Table of Drill pipe from Wuxi Double Horse Drill pipe
Size	Dimension							Thread form	Grade	Minimum bending radius(m)	Length of the rod to bend 90°(m)	Max angle(°s)	Max slope%	TorqueKN.m
	OD(mm)	Thickness(mm)	Length(m)	Weight(Kg)	OD of the joints(mm)	Big Clamp Space of the pin and box joints(mm)
50 (2")	50	6.5	2	20	57	pin joint 110		DH50	G	38	60	3.0°	5.2	2.9
			2.5	25		box joint175			S	30	47.1	4.8°	8.3	3
60.3 (2 3/8")	60.3	7.5	2	25.3	67	pin joint130		DH60	G	42	66	2.7°	4.8	6
			3	37		box joint180			S	33	51.8	5.2°	9.1	6.3
73 (2 7/8")	73	8	3	45	80	pin joint120		DH23	G	58	91.1	3.0°	5.2	12
			4	58		box joint180			S	45	70.7	3.8°	5.0	13
73 (2 7/8")	73	10	3	58	87	pin joint120		DH26	G	67	105	2.6°	4.5	14.5
			4	78		box joint180			S	51	80	4.5°	7.8	16
83 (3 1/4")	83	9	3	55	92	pin joint130		DH26	G	73	114.7	2.4°	4.1	16.8
			4.5	75		box joint190			S	65	102.1	4.0°	6.9	18
89(3 1/2")	88.9	10	4.5	97	104	pin joint150		DH31	G	80	125.7	3.2°	5.6	22.3
			6	126		box joint230			S	72	113	4.8°	8.3	24
102 (4")	101.6	8.38	6	125	127	pin joint170	*	NC38	G	90	141.4	3.8°	6.7	25
						box joint240	*		S	80	125.7	4.3°	7.5	27
114 (4 1/2")	114.3	8.56	6	145	158.8	pin joint177.8  *		NC46	G	93	146	3.7°	6.5	27
			9.6	223		box joint254    *			S	104	163.4	5.0°	8.7	32
		10.92	6	181	168.28	pin joint177.8  *		NC50	G	100	157	3.4°	6.0	30.8
			9.6	278		box joint254    *			S	90	141.4	6.1°	10.7	36.5
127 (5")	127	9.19	6	174	168.28	pin joint177.8	*	NC50	G	106	166.5	3.2°	5.7	45
			9.6	267		box joint254	*		S	95	149.2	5.8°	10.0	50
		12.7	6	232	184.15	pin joint203.2	*	5 1/2FH	G	113	177.5	3.0°	5.3	55.8
			9.6	358		box joint254	*		S	100	157	5.2°	8.5	66.5
140 (5 1/2")	139.7	9.17	6	192	184.15	pin joint203.2	*	5 1/2FH	G	118	185.4	2.9°	5.1	103
			9.6	295	190.5	box join254	*		S	105	165	5.2°	9.1	110
		10.54	6	218	184.15	pin joint203.2	*		G	124	194.8	2.8°	4.8	112
			9.6	336	190.5	box join254	*		S	110	172.8	5.0°	8.7	120
168 (6 5/8")	168.3	8.38	6	215	209.55	pin joint195.7	*	6 5/8FH	G	130	204.2	2.6°	4.6	153
			9.6	330	215.9	box joint203.2	*		S	116	182.2	4.7°	8.3	155
		9.19	6	234	209.55	pin joint195.7	*		G	148	232.5	2.3°	4.1	163
			9.6	360	215.9	box joint203.2	*		S	132	207.3	4.2°	7.3	165
Remark Length and thread  depends on customer's requirement“*”Big Clamp Space of the pin and box joints also depend on customer's reuirement

Vermeer drilling pipe( HDD)