TDG250-chinese Hole Boring Tool

TDG250-chinese Hole Boring Tool
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Product Details


TDG250 Line Boring 

Used in processing inner hole, Big scaled ship fixed hole, ship axis hole, can be installed horizontally and vertically.

Technical Details:

● Boring bar diameter: 250mm                              ● Feed rate:0.16/0.28mm/rev

● Boring Diameter:500-2200mm                           ● Facing head feed rate:0.148/0.298mm/rev

● Boring bar rpm: 0-120                                        ● Power option: Servo motor、Hydraulic motor

TDG250 Line Boring Setup


Rotational Drive Unit / Axial Feed Unit


Rotation Drive Unit

● Aluminum structure, has a good cooling effect

● Mounts anywhere on the bar

● 3:1 gear reduction ratio(standard)

Axial Feed Unit

● Automatic feed travel depends on boring bar length

● Can be installed at any end of the boring bar

● Mechanical feed, feed rate per revolution:0.16/0.28mm/rev

Facing Head / Boring Head


● Mechanical feed, feed rate per revolution:0.16/0.28mm/rev

● Mounts anywhere on the bar

● Can be customized according to your request size



● Inner sheathed copper plating, effectively protecting the boring bar.

● Increase the cushion blocks, to meet the different needs of boring.

4-arm Support / Center Support


Boring Bar / Hydraulic Power Unit


Please choose the length of boring bar:

● Ø250mm*3000mm.                             ● Ø250mm*4000mm

● Ø250mm*5000mm.                             ● Ø250mm*6000mm

All bars are made of 42CrMo chrome-plated steel.



Hydraulic power unit, 10HP(7.5KW),38L/min


Hydraulic power unit, 15HP(11KW), 38L/min


Hydraulic power unit, 20HP(15KW), 38L/min


Hydraulic power unit, 25HP(18.5KW), 60L/min

Note:remote control box can achieve operation from some distance away, with high safety. The voltage of control wire is 24V, and the length is 5 meter.

1.Select type of support, 4 arm support is recommended for big hole boring,Usually fixed at both ends, and One set contains two support, please make clear the number of supports you need.

2.Facing head device can be selected based on your needs, please clarify the dimension of flange facing.

3.If you need the Taper boring unit, pls tell me.

DTH is a professional exporter of tdg250-chinese hole boring tool, which is also known as one of the most credible such manufacturers and suppliers. You can rest assured to buy or wholesale customized tdg250-chinese hole boring tool which is made in China at low price with our factory.