The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod Craft: prestressed wire winding and welding on the basis of merits from German craft. Material: high pressure seamless alloy pipe (rod body); high wear-resistant T-shape strip steel (spiral); medium carbon alloy steel which has been thermal refined in vacuum (connector). The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod Connection type between rods: spring pin with U-shape or semi-ring retaining pin, which guarantees the max torque of the rod. Matching: portable or hand-held drilling machineFeature: light, quick connection, quick slagging, high efficiency. Application: water & gas exploration of coal seam or similar stratum. Rods with drainage hole and without are available.

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod

No.	Specification and Size (mm)				Torque (N.m)	Connection type
	Dia (spiral + tube)	Tube dia.	Length	Connector size
1	28	18	500~3000	F12×48	150~200	Square shank
2	30	18	500~3000	F12×48	150~200	Square shank
3	32	18	500~3000	F12×48	150~200	Square shank
4	38	21	500~3000	F14×50/80	100~350	Square shank
5	40	21~22	500~3000	F14×50/80	100~350	Square shank
6	42	22	500~3000	F13×80	200~350	Square shank
7	69	25~27	500~3000	F18×60/85	250~350	Square shank
8	69	25~27	500~3000	B20×90	350~450	Hex. Shank
9	75	32~42	500~3000	F24×85	350~450	Square shank
10	89	32~50	500~3000	F26×45/90	350~450	Square shank
11	98	73	500~3000	B45×100	10000-12000	Hex. shank
12	113	63~73	500~3000	B45×100	8000-12000	Hex. shank

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod

The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod