API Drill Pipes Tool Joints for 2 3/8" to 6 5/8" Pipes for DTH Drill Pipe Drilling

• Standard: RoHS, AISI, API
• Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
• Material: High Manganese Steel
• Transport Package: Wooden Box
• Specification: 3-1/2 to 4-1/2
• Trademark: ROSCHEN
• Model NO.: 2 3/8" to 6 5/8"
• Origin: China
• HS Code: 84314320
• Production Capacity: 100000

Product Description

API drill pipes tool joints for 2 3/8" to 6 5/8" pipes

API drill pipes tool joints for 2 3/8" to 6 5/8" pipes

   
China API drill pipes tool joints for 2 3/8" to 6 5/8" pipes

 

Brand Name:	ROSCHEN
Model Number:	121mm
Type:	Drill Pipe
Machine Type:	Drilling Tool
Certification:	API
Material:	Chromium, 35CrMo/40Cr/4137H
Processing Type:	Forging
Use:	Well Drilling
Product name:	China API drill pipes tool joints for 2 3/8" to 6 5/8" pipes
Application:	Rock Drilling
Size:	85mm 105mm 121mm 127mm
Connection type:	Male and female
Thread type:	NC26 NC31 NC38 NC46 NC50 NC56
Special craft:	Hardening and tempering

Features:
1. OD:57mm-168mm   
2. Material:35CrMo/40Cr/4137H   
3. Length: N:235mm M:195mm    
4. Apply to connection 50mm drill rod Well Drilling, Geological drilling    
5. Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50  

 

Specification Drill Pipe Joint:
Drill pipe joint code	Drill Pipe		Drill Pipe Joints(mm)
	Spec.	Steel Grade	OD	ID of Pin Tap	Tong Space of Pan Tap	Tong Space of Box Tap
NC26	2 3/8''	DZ5O,R780	86	45	178	203
	2 3/8''	G105	85.7	44.5	178	203
NC31	2 7/8''	ZD5,R780	104.8	50.8	232	280
	2 7/8''	G105	104.8	50.8	232	280
NC38	3 1/2''	DZ50,R780	127	65.09	248	310
	3 1/2''	G105	127	61.9	248	310
NC46	4 1/2''	DZ50,R780	158.8	82.6	236	320
	4 1/2''	G105	158.8	76.2	236	320
NC50	4 1/2''	G105	168.3	86	236	320
	5''	DZ50,R780	168.3	Ø89/82.6	236	320
	5''	G105	168.3	82.6	236	320

 

Size	Length	N	M	H	Material	Weight(kg)
57mm	365	190	170	40+0.5	40Cr/35CrMu	4.5
65mm	410	235	195	40+0.5	40Cr/35CrMu	6.5
70mm	410	235	195	40+0.5	40Cr/35CrMu	7
75mm	440	260	215	50+0.5	40Cr/35CrMu	9
80mm	440	260	215	50+0.5	40Cr/35CrMu	10
105mm	540	280	350	55+0.5	40Cr/35CrMu	20
121mm	530	280	350	65+0.5	40Cr/35CrMu	25