14" 16" Diamond Core Drill Bit HOB Hole Opener Reamer

Advantages

The replaceable hob reamer is forged from high quality alloy steel with good weldability. After modulation treatment, the tensile strength is high, which can meet the tensile requirements of large-tonnage drilling rigs. Reliable connection between wheel body and valve body, easy to disassemble and assemble, do not need large special hydraulic equipment, manual wrench can, easy to replace on site.

Introduction

PANGOLIN hob rock hole opener ranging from 16" to 70" that is divided into two types: MT cutter and Welding cutter, and is apply to various compressive strenght of the formation. The procduct is used for zhe reaming of the oil, gas, petrochemical, sewage, power and fiber optic pipelines in the no-dig horizontal directional drilling.
The larger bearings and cutters dramatically extend the downhole life over smaller conventional-style cutters. The replaceable cutter sets are available in both TCI and Milled Tooth styles to match your formation. All bit's bodies have three-six cutters and can open three different hole sizes.

Product parameters

Used in

Hob drill is to deal with all kinds of large diameter pile in hard rock formations and gravel stratum, solitary stone most effective tool, has unique properties, can greatly reduce the construction costs of the economic benefits.

Features

The roller body can be used multiple times, and it is convenient and quick to replace the roller. There are three types of rollers: type A, type B and type C, and different reaming diameters can be achieved through adjustment.

The unique multi-stage anti-off interlocking device prevents the hob from tripping when the drill bit is empty, and prevents the hob shell from falling off when the bearing is damaged.
The hob wheel body is inlaid with a large diameter hard alloy, which has a good rock breaking effect; the bearing diameter is large, and the impact resistance is strong; the metal seal is used, and the service life is long.

Pic Show

FAQ:

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

2. How about the common packing?

A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.

3. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

4. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.

5. How to control quality?

A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.

6. Fast delivery time:

A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

7. Competitive price:

A: Our factory can supply you the lowest price due to direct sale to customers without distributor!