165mm Powerroc Ql60 Concave DTH Drill Bit for Water Well Drilling

Name: 165mm Powerroc Ql60 Concave DTH Drill Bit for Water Well Drilling
Brand: Hunan Powerroc Mining Technology Co., Ltd
SKU: 1996821301

Hunan, ChinaHunan Powerroc Mining Technology Co., Ltd

US$650.00-1,800.00

1 Piece

Sample price:US$650.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

ISO 9001

Model NO.

PR52-165-QL60

Length

Taper-length

Type

Center Drill Bit

Material

Tungsten Carbide

Usage

Well Drilling

After-Sales Service

Yes

Warranty

Yes

Bit Face Design

Concave

Shank Type

Ql60

Cutter Type

Tungsten Carbide Button

Connection Thread

4 1/2 Standard Reg Pin

Formation

Limestone, Dolomite, Medium Hard Rock, Clay, Grave

Transport Package

Fumigation Free Solid Wood Case

Specification

165mm (6 1/2 Inch)

Trademark

PowerRoc

Origin

China

HS Code

84314310

Production Capacity

2, 500 Units/Year

Key features

Concave face design with QL60 shank concentrates impact energy at the center, delivering efficient rock breaking in water well drilling.

Eliminate bit deviation in hard rock formations; centralized cutting action ensures straight, accurate boreholes.

Field data shows 20% faster penetration in limestone and dolomite compared to standard flat face bits.

Engineered for water well drilling, irrigation wells, and groundwater development projects.

Company profile

Hunan Powerroc Mining Technology Co., LtdHunan, China

Business Type: Manufacturer/FactoryNearest Port: CNZOS, CNSHA, CNSZXAverage Response Time: ≤0.59h

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 is the advantage of concave face design for water well drilling?

The concave shape focuses impact energy at the center, improving cutting efficiency in medium hard formations.

Q:Is this QL60 bit suitable for both soft and hard formations?

It performs best in limestone and dolomite. For hard granite, we recommend our ballistic button series.

Q:What is the recommended rotation speed for concave bit?

We recommend 30-50 RPM for optimal performance in water well drilling applications.

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