Our Company

DOI BK

We support maintaining optimal performance
through various part replacements and repairs,
ensuring meticulous care.

Product

A company providing innovative technology to customers

Mining Drill BIT

Precision-crafted drill bits for mining 

Efficient drilling through customized manufacturing 

Features robust durability

Full production of all materials and complete case (body)

 

Part

Type

Hardness

 Range

Application

Drilling

V / E 89~92

Column / embankment drilling

Boring Tip

V / E 89~92

Water and geological exploration

TBM E 88~90

Tunnel excavation

B/C E 85~88

Foundation civil excavation

Auger Bit

E 86.5

Foundation civil excavation

Rock Bit

V / E 90~91

Platform excavation

본문

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