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11 products
11 products



4-inch reinforced concrete drilling machine with 2.5-inch diamond tube (GD05007)
$9,500.00
Unit price per4-inch reinforced concrete drilling machine with 2.5-inch diamond tube (GD05007)
$9,500.00
Unit price perThe Taiwan-made 4-inch reinforced concrete drilling machine is suitable for drilling and washing holes in reinforced concrete below 4 inches. It includes a 2 1/2" diamond head set, maintenance tools and a portable tool box. It is suitable for drilling holes in steel bars and cement in heating and cooling rooms, electrical, water pipes, gas engineering, etc.



HAKKEN 6-inch reinforced concrete drilling machine without diamond tube (GD05-SPJ-122C)
$28,500.00
Unit price perHAKKEN 6-inch reinforced concrete drilling machine without diamond tube (GD05-SPJ-122C)
$28,500.00
Unit price perProduct Features:
- 6-inch reinforced concrete drilling machine, super powerful 1500W horsepower
- Lightweight design
- Rotating water tap
- High performance circuit protector
- Can be used up to 6 inches diamond head
- The whole set does not include diamond tube (diamond head set)
- With one-piece thin tube diamond drill bit set, the effect is better
- Comes with original suitcase, a water collection tray, a water collection tray fixing clip, and a gecko fixing accessories package
Please note:
- For the connector of the diamond head set, please use the small head/5V connector
- 6 inches is the limit value for drilling machines. It is recommended to avoid using this hole diameter for a long time in actual use.
-Diamond tube (diamond head set) needs to be purchased separately


HAKKEN 8-inch reinforced concrete drilling machine without diamond tube (GD08A2)
$36,000.00
Unit price perHAKKEN 8-inch reinforced concrete drilling machine without diamond tube (GD08A2)
$36,000.00
Unit price per- Super powerful 2400W horsepower
- swivel to faucet
- High performance circuit protector
- Comes with a water collecting tray fixing clip, a pack of gecko fixing accessories, and a wrench set.
※ Diamond tube (diamond head set) needs to be purchased separately
- Submersible pump (submersible pump, submersible motor, pumping motor, general drainage pump)
- Full plastic steel exterior, no rust or water produced
- Lightweight design and high maneuverability
- Ultra-low water inlet, only 3mm of residual water remains
- Anti-UV plastic steel material, can be used in outdoor exposure environment for a long time
- Plug in the PIN power cord, effectively isolate water vapor and easy to replace
- Can be used with drilling machines or independently used for water pumping operations such as gardening, fish tank water changes, and water accumulation.
- Powerful motor for high-load line equipment, automatic power-off device for low water level and overheating
- Ball bearing design, durable during high-speed operation
- Mechanical shaft seal, shockproof, and protective cover protect the wire device and prevent it from being immersed in water when placed under water.
- Made in Taiwan
Application scope:
- Multifunctional application in horticulture (non-24-hour continuous operation)
- Gardening and farming irrigation
- Wastewater discharge from small cesspools (tanks)
- Temporary wastewater or stagnant water discharge after rain
- A good helper for water tower cleaning
- Fish tank water change and cleaning
- Cleaning of automobiles and motorcycles

Integrated thin tube diamond drill bit set for drilling machines above 6" (GCT-01500)
From $1,950.00
Unit price perIntegrated thin tube diamond drill bit set for drilling machines above 6" (GCT-01500)
From $1,950.00
Unit price per- One-piece thin-tube diamond drill bit set (thin-walled diamond hollow drill bit set, diamond head set, concrete hole opener) made in Taiwan
- Welded with high-hardness Japanese artificial diamonds, the thin tube is designed to be integrally formed to reduce resistance and increase drilling speed, making it faster and faster.
- Suitable for concrete drilling machine, cement hole washing machine and hole washing machine
Product specifications:
Product number | diameter |
GCT-01500 | 1.5" |
GCT-02000 | 2.0" |
GCT-02500 | 2.5" |
GCT-03000 | 3.0" |
GCT-03500 | 3.5" |
GCT-04000 | 4.0" |
GCT-05000 | 5.0" |
GCT-06000 | 6.0" |
GCT-07000 | 7.0" |
GCT-08000 | 8.0" |
GCT-09000 | 9.0" |
GCT-10000 | 10.0" |
GCT-12000 | 12.0" |
GCT-14000 | 14" |

Integrated thin tube diamond drill bit set for 4" drilling machine (GBT-01500)
From $1,950.00
Unit price perIntegrated thin tube diamond drill bit set for 4" drilling machine (GBT-01500)
From $1,950.00
Unit price per- One-piece thin-tube diamond drill bit set (thin-walled diamond hollow drill bit set, diamond head set, concrete hole opener) made in Taiwan
- Welded with high-hardness Japanese artificial diamonds, the thin tube is designed to be integrally formed to reduce resistance and increase drilling speed, making it faster and faster.
- Suitable for concrete drilling machine, cement hole washing machine and hole washing machine
Product specifications:
Product number | diameter |
GBT-01500 | 1.5" |
GBT-02000 | 2.0" |
GBT-02500 | 2.5" |
GBT-03000 | 3.0" |
GBT-03500 | 3.5" |
GBT-04000 | 4.0" |
GBT-05000 | 5.0" |
- Special extension rod for drilling machine made in Taiwan
- Drill bit extension for drilling machine, used to extend the drilling depth
Product specifications:
Product number | Applicable drilling machine size | Length(mm) | Outer diameter(mm) | |
---|---|---|---|---|
GB00-200-6N | 6" and above | 200 | 40.5 | |
GB00-300-6N | 6" and above | 300 | 40.5 | |
GB00-500 | 6" and above | 500 | 40.5 | |
GB00-250-5V | 4" | 250 | 38.0 |
The three-section diamond tube set is an efficient tool designed for drilling machines/hole washing machines larger than 6 inches. It has a hole washing knife function and can quickly wash holes. The structure is stable and can effectively improve the drilling speed and cleaning effect. It is widely used in construction, exploration and other industries to ensure smooth operation.
Product Features:
- Taiwan-made diamond drill bit set for drilling machines, suitable for drilling, cleaning holes and washing holes
- The drill bit is made of high-hardness diamond welding, which has high hardness, fast cutting speed, high stability, wear resistance, saving working hours, improving machine efficiency and reducing losses.
- Hollow drill bit, can drill through reinforced concrete, marble, natural stone or tile
Specifications:
model | Specifications and dimensions (mm) | Diamond drill bit + middle pipe + joint (mm) | |||
caliber | Outside diameter | Inner diameter | Drilling depth | full length | |
GC00181 | 18 | 18.0 | 9.0 | 360 | 460 |
GC00251 | 25 | 25.0 | 16.0 | 360 | 460 |
GC01001 | 1" | 28.1 | 19.1 | 360 | 460 |
GC01251 | 1 1/4" | 33.7 | 24.7 | 365 | 465 |
GC01501 | 1 1/2" | 41.1 | 32.1 | 355 | |
GC02001 | 2" | 53.2 | 44.2 | 395 | |
GC02501 | 2 1/2" | 64.8 | 55.8 | 475 | |
GC03001 | 3" | 77.6 | 68.6 | 400 | |
GC03501 | 3 1/2" | 90.1 | 81.1 | ||
GC04001 | 4" | 110.4 | 100.4 | 430 | 505 |
GC05001 | 5" | 128.4 | 118.4 | 450 | 525 |
GC06001 | 6" | 160.4 | 150.4 |
- GC model is suitable for 4" drilling machine, middle connecting rod length 250mm, joint length 85mm, thread diameter 1"
- GC model is suitable for drilling machines above 6", with a middle connecting rod length of 300mm, a joint length of 85mm, and a thread diameter of 1 1/4"
👉Products suitable for 4-inch drilling machines : 4" drilling machine diamond drill bit set three-section diamond tube set hole cleaning cutter
※ For other sizes and specifications, please call us for more information
From $1,460.00
Unit price perThe three-section diamond tube group hole cleaning cutter is suitable for drilling machines (hole cleaning machines). It has extremely high wear resistance and cutting force. It is suitable for drilling holes in various hard materials. It is widely used in construction, engineering and other fields. It is an ideal choice for professional tools.
Product Features:
- Taiwan-made diamond drill bit set for drilling machines, suitable for drilling, cleaning holes and washing holes
- The drill bit is made of high-hardness diamond welding, which has high hardness, fast cutting speed, high stability, wear resistance, saving working hours, improving machine efficiency and reducing losses.
- Hollow drill bit, can drill through reinforced concrete, marble, natural stone or tile
Specifications:
model | Specifications and dimensions (mm) | Diamond drill bit + middle pipe + joint (mm) | |||
caliber | Outside diameter | Inner diameter | Drilling depth | full length | |
GB00181 | 18 | 18.0 | 9.0 | 310 | 395 |
GB00251 | 25 | 25.0 | 16.0 | 310 | 395 |
GB01001 | 1" | 28.1 | 19.1 | 310 | 395 |
GB01251 | 1 1/4" | 33.7 | 24.7 | 315 | 400 |
GB01501 | 1 1/2" | 41.1 | 32.1 | 305 | |
GB02001 | 2" | 53.2 | 44.2 | 345 | |
GB02501 | 2 1/2" | 64.8 | 55.8 | 410 | |
GB03001 | 3" | 77.6 | 68.6 | 350 | |
GB03501 | 3 1/2" | 90.1 | 81.1 | ||
GB04001 | 4" | 110.4 | 100.4 | 380 | 440 |
GB05001 | 5" | 128.4 | 118.4 | 400 | 460 |
GB06001 | 6" | 160.4 | 150.4 |
- GB model is suitable for 4" drilling machine, with middle connecting rod length 250mm, joint length 85mm, thread diameter 1"
- GC model is suitable for drilling machines above 6", with a middle connecting rod length of 300mm, a joint length of 85mm, and a thread diameter of 1 1/4"
👉 Suitable for drilling machines over 6 inches: Three-section diamond tube set hole cleaning knife hole cleaning knife diamond drill tube suitable for drilling machines/hole cleaning machines over 6 inches
※ For other sizes and specifications, please call us for more information
- Special water collection tray for drilling machines (drainage tray, water processor) made in Taiwan
- 4" drain pan covered with high density rubber
- Used with a drilling machine, sewage is not easy to splash out and is easy to recycle.
- The main body is reinforced plastic, not easy to break
Product specifications:
model | length | outer diameter | Applicable drilling machine size |
GD05007-50 | 1"-4" | 208mm | 4" drilling machine |
Product Usage:
- Direct the downward flowing liquid into the area surrounded by the water collection pan and discharge it through pipelines to avoid polluting the workplace.
- Fixing screw set for 4-inch drilling machine made in Taiwan
- Special accessories for 4-inch drilling machine
- Contains screw x2 / gasket x2 / nut x2