supply 4145H drill collar
original price: 2 800 USD
July xu
Contact person
Basic Information
| Place of Origin | Henan China (Mainland) |
|---|---|
| Brand Name | ZJSB |
| Model Number | 6-1/2inch |
| Type | Drill Collar |
| Machine Type | Drilling Equipment |
| Certification | API |
| Processing Type | Forging |
Heat treatment of ZJSB drill collar adopts unique medium frequency inductance heating method for hardening and tempering, during which steel parts rotate continuously to get even heating. In the course of hardening, it adopts annular internal and external injection water cooling method to get even and high strength. Drill collar material after whole length heat treatment could guarantee 285 341 Brinell hardness 1"below the surface of the pipe body. ZJSB drill collar includes open faced, spiral groove, square, lopsided and pipe slips, elevator groove, wearing ring drill collar. The length of the drill collar could be from 10 feet to 30 feet with 31/2" to 11" external diameter. Data information of common size refers to diagram. THREAD INTERCHANGEABILITY LIST Button typeSpecificationNC263138404650NNC263138404650IF2 3/82 7/83 1/244 1/2FH4
Delivery terms and packaging
Packaging Detail: bundling package Delivery Detail: as per contract
Port: tianjin
Payment term
Telegraphic transfer
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Payment Methods
We accept:
