RT03A

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MITSUBISHIHEAVY DUTY UNDER-REAMING SYSTEM 

SUPER MAXBIT

G-MODEL

Hi-Speed Drilling and Long Tool Life

2 Wing Type

Open

Close

Open

Close

3 Wing Type

Economical cost per drilled foot
Design for thicker casing pipes
Faster penetration
Stable opening and closing mechanism
Straight and smooth hole drilling
Hard formation - high efficient bit for 
· Foundation construction · Water well
· Environmental testing      · Geothermal
· Geological survery

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Mitsubishi Model

SUPER MAXBIT 

G-MODEL

SUPER MAXBIT 

COMPETITORS 

MODELS

Drilled life

Faster penetration

Rotation

Open & Close

Low

Cost Comparison (Type 187)
(20m x 50 Holes)

SUPER MAXBIT

SUPER MAXBIT G-MODEL

Soft

Medium

M.Hard

Hard

High

Costing

Rock

Boulder

TYPE

COMPARISON DATA

Soft

Hard

Small

Large

Non-abrasive

Abrasive

SUPER 
MAXBIT

SUPER MAXBIT
G-MODEL