R780 Drill Pipe Tool Joint

Manufacturer Of Drill Pipe Joint Drilling Accessories

Brief Introduction

1. 121 lock connector is used to connect 89 drill pipe, modulate heat treatment, ensure wear resistance, and is used in water well drilling, building pile foundation and other projects.
2. The lock connector is made of high-quality steel, modulated heat treatment is adopted to ensure wear resistance, and finally blackening treatment is carried out to ensure that the surface is not easy to rust.
3. The locking handle is made of high-quality steel, processed by automatic numerical control machine tool, and the screw thread is well treated with forming cutter.
4. Sufficient supply of goods can guarantee the demand of goods at any time. Special type lock catcher can be directly customized by contacting us.

Advantage:

DIAMETER (INCH)	WALL THICKNESS (INCH)	LENGTH (FOOT)	WRENCHING
3	0.197	3.28-19.69	SQUARE 57 OR 64.5MM
3	0.236	3.28-19.69	SQUARE 57 OR 64.5MM
3	0.315	3.28-29.53	SQUARE 57 OR 64.5MM

3.5	0.236	3.28-19.69	SQUARE 70 OR 64 MM
3.5	0.236	3.28-19.69	SQUARE 70 OR 64 MM
3.5	0.315	3.28-31.5	SQUARE 70 OR 64 MM
3.5	0.315	3.28-31.5	SQUARE 70 OR 64 MM

4	0.315	3.28-29.53	SQUARE 76 OR 89 MM
4	0.394	3.28-29.53	SQUARE 76 OR 89 MM
4.5	0.236	4.92-25	89/95
4.5	0.315	4.92-30	89/95

Code	number	thread type	Thread specification		Male thread			Female thread
			Dimension	taper	DS	DF	L	QF	L
1		NC23		1:06	65.10.	52.4	76.2	66.7	92.1
2	2A10	NC26(23/8"IF)	4	1:06	73.05.	60.35	76.2	74.6	92.1
3	210	NC31(27/8"IF)		1:06	86.13	71.32	88.9	87.7	104.8
4		NC35		1:06	94.97	79.09	95.2	96.8	111.1
5	310	NC38(31/2"IF)		1:06	102.01	85.07	101.6	103.6	117.5
6	4A20	NC40<4"FH)		1:06	108.71	89.66	114.3	110.3	130.2
7		NC44		1:06	117.48	98.43	114.3	119.1	130.2
8	4A10	NC46(4"IF)	4	1:06	122.78	103.73	114.3	124.6	130.2
9	410	NC50(41/2"IF)		1:06	133.35	114.3	114.3	134.9	130.2
10		NC56		1:04	149.25	117.5	127	150.8	142.9
11		NC61		1:04	163.53	126.6	139.7	165.1	155.6
12		NC70		1:04	185.75	147.65	152.4	187.3	168.3
13		NC77		1:04	203.2	161.85	165.1	204.8	181
14	2A30	23/8"REG	5	1:04	66.68	47.63	76.2	69.3	92.1
15	230	27/8"RED	5	1:04	76.2	53.98	88.9	77.8	104.8
16	330	31/2"RED	5	1:04	88.9	65.08	95.2	90.5	111.1
17	430	41/2"RED		1:04	117.48	90.48	107.9	119.1	123.8
18	530	51/2”RED		1:04	140.21	110.06	120.6	141.7	136.5
19	630	65/8"RED		1:06	152.2	131.04		154	142.9
20	730	75/8"RED	4	1:04	177.8	144.48	133.3	180.2	149.2
21	830	85/8"RED		:4	201.98	167.84	136.5	204.4	152.4
22	320	31/2"FH	5	1:04	101.45	77.62	95.2	102.8	111.1
23	420	41/2"FH	5	1:04	121.72	96.32	101.6	123.8	117.5
24	520	51/2"FH	4	1:06	147.96	126.79	127	150	142.9
25	620	65/8"FH	4	1:06	171.53	150.36	127	173.8	142.9
26		51/2”IF		1:06	162.48	141.32	127	163.9	142.9

Jinzhou Shitan Machinery Equipment Co., Ltd. Main Products：

Pneumatic Drilling Rig / Air Drilling Rig（ST-180, ST-200, ST-260, ST-300, ST-350, ST-400, ST450, ST-450, ST-500, ST-600, ST-800 and other Pneumatic water well drilling Rigs.）, Crawler Water Well Drilling Rig / Trailer Mounted Drilling Rig / Water Well Drilling Rig / Hydraulic Borewell Machine / Hard Rock Drilling Equipment / Diamond Core Drill Rig / Geological Drilling Rig / Soil Testing Drilling Rig / Portable Water Well Drilling Rig（ST-30，ST-50，XY-1A, XY-1B, XY-2, XY-2B, GK180, GK200, GY150, GY200 and 30 impact drill rig, ZLJ series tunnel drilling rig and other geological drilling machines）Crawler Track Undercarriage, Drilling Mud Pump（BW150,BW160,BW200,BW250,BW850 series Drilling mud pumps）, Drilling Air Compressor, Water Well Drill Bits（PDC Drill Bit， Tricone Bit， DTH Button Bit）, Water Well Drill Pipe, Drilling Rig Spare Parts( drilling rods , drilling rods joint , casing pipe, casing coupling, core tube, core tube coupling, lifters, automatic drop hammer, sampler, SPT tool, wrench fork, pad fork, lock joint), Track Transporter

OEM / ODM can accept. Good quality, professional after-sales service, welcome to order

Jinzhou City Shitan Machinery Equipment CO. LTD. is a professional production and

processing company for core drilling rigs, crawler drilling rigs, various track chassis, various

types of mud pumps, various track transport vehicles, etc. It is one of the outstanding

manufacturers of similar products in North China. Strong technical force. The modern production

equipment and complete testing means are specialized in the development, manufacture and

marketing of drilling rigs.

To ensure the quality and stability of the machine, we use the most advanced production and testing

equipment, Made from high quality materials, with fashion and compact design, that keeps our drilling

rigs more efficiency and with low failure rate, more economic and durable, and with a high comprehensive

cost performance. Our water drilling rigs have received the real market validation as the majority of our

customer’s positive feedback.

The company's main products are rigs: XY-1, XY-1A, XY-1B, GK-180, GK-200, DPP-100 and other series

of drilling rigs: gearbox assemblies and gyro assemblies for various rigs, Winch assembly, reducer assembly,

pump assembly. Drilling tools: sedimentary pipe joints, casing joints, casing couplings, drill pipe joints, casing

core pipes, lifters, automatic drop hammers, earth borrowers, standard penetrations, forks, lock joints, alloy drill

bits Hundreds of drilling tools, such as steel sand drill bits, core pipe joints, drill pipe pliers, and casing pliers.

Jinzhou City Shitan Machinery Equipment CO. LTD. has a complete and scientific quality management

system. The integrity, strength and product quality of Jinzhou Stone Exploration Machinery Co., Ltd. have been

recognized by the industry. Welcome friends from all walks of life come to visit, guide and negotiate business!