Sale! 108-135mm DHD90 Concentric Casing System DTH Bit for Overburden Drilling

Name: Sale! 108-135mm DHD90 Concentric Casing System DTH Bit for Overburden Drilling
Brand: Hunan Powerroc Mining Technology Co., Ltd
SKU: 2000996971

Hunan, ChinaHunan Powerroc Mining Technology Co., Ltd

US$750.00-2,000.00

1 Piece

Sample price:US$750.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO 9001

Model NO.

DHD90-CASING-108-135

Length

Taper-length

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling, Overburden Drilling

Bit Type

DHD90 Concentric Casing System

Cutter Type

Tungsten Carbide Inserts

DHD90 Series

Recommended Rpm

15 - 35 Rpm

Recommended Air Pressure

17 - 24 Bar

Transport Package

Fumigation Free Solid Wood Case

Specification

108 - 135 mm (4 1/4 - 5 3/8 Inch)

Trademark

PowerRoc

Origin

China

HS Code

84314310

Production Capacity

2, 500 Units/Year

Key features

DHD90 concentric casing system advances casing simultaneously while drilling, preventing hole collapse in overburden.

Eliminate costly re-drilling in unstable ground; instant casing support ensures continuous drilling progress.

Field data shows 35% faster casing advancement in gravel and boulders compared to conventional systems.

Company profile

Hunan Powerroc Mining Technology Co., LtdHunan, China

Business Type: Manufacturer/FactoryNearest Port: CNZOS, CNSHA, CNSZXAverage Response Time: ≤0.10h

About Our Factory & Business Background

AddressMingcheng Lvgu Smart Industrial Park, Renmin East Road, Changsha, Hunan, China

Registered Capital2,000,000 RMB

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsMining Products

Our Industry Experience & Global Business Record

Main MarketsSouth America, Africa, Eastern Asia, Eastern Europe, Mid East, Southeast Asia, Western Europe

Product Q&A

Q:What casing sizes does this DHD90 concentric system support?

This system supports casing diameters from 108mm to 135mm (4 1/4 to 5 3/8 Inch).

Q:What is the advantage of the DHD90 concentric system?

It provides stable casing advancement in overburden with DHD90 hammer compatibility and reliable performance.

Q:What formations is this casing system best suited for?

It performs best in overburden, gravel, boulder, loose soils, and fractured rock.

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