Hacker Drill Pipe 2-3/8inch to 7inch

• Standard: API
• Length: See The Spec.
• Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
• Material: Carbon Steel
• Transport Package: Steel Bundles
• Specification: 4", 6 5/8", 8 5/8"
• Model NO.: HDP
• Trademark: ROSCHEN
• Origin: China
• HS Code: 84314320
• Production Capacity: 10000000

Product Description

HACKER DRILL PIPE 2-3/8inch to 7inch

 
ROSCHEN Hacker thread drill pipe are manufactured from 2-3/8" thru 7" with 4142/4145 heat-treated alloy steel.
These are available in three types:

1. Threaded screw-on type,
2. Counter-bore weld type,
3. Flash or inertia weld type.

 
 Hacker Tool Joints are micro control cut on special computerized machines, programmed for 13 to 24 operations, and have an accuracy of .0015inch. Each thread gets a dual control cut. A rough cut first, then a mirror finish micro-control cut, all under a flood of coolant to eliminate any possibility of distortion.
 
Hacker drilling pipe specifications:

Material		Pin Dimensions			Box Dimensions		Thread
Tool Joint Name & Nominal Size	O.D.	Make to Dia.	Pin Length	Pin ID	Pin Dia. @ Base	Box Length	Box Max ID	Taper	Thread / Inch	Thread Form
JUNIOR	3 1/8″		2 1/4″	1 7/8″	2.685″	2 3/4″	2 1/8″	1 3/4″	5	TAPER
SENIOR	3 1/2″		2 1/2″	1 3/4″	2.895″	2 3/4″	2 1/4″	1 1/2″	4	TAPER
4″ HACKER	5 7/8″		3 5/8″	3 3/4″	5.215″	4″	4 3/8″	1 1/2″	4	TAPER
6 5/8″ HACKER	7 1/2″		3 1/16″	6″	6.935″	3 1/2″	6 1/4″	1 1/2″	4	TAPER
8 5/8″ HACKER	10 1/2″		4 1/2″	7 1/2″	9.460″	5″	8″	2″	4	TAPER

 
HACKER DRILL PIPE Rethreading and Straightening
Hacker International personnel are experts in the machining and repair of rotary shouldered drill pipe and drill collar connections. Our machinist have years of experience ensuring our customers that each job is completed to API and Hacker standards.
 
 Hacker drilling pipe performs connection re-cuts on drill pipe, Heviwate drill pipe and drill collars, using calibrated lead and taper gauges and ring and plug gauges. We also phosphate coat each tool joint and provide thread protectors before leaving our shop.





FAQ:

Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally need 10-15 days

Transportation:
By air, By Express or By sea according to your requests.