9 best wet air polishers

Wet air polishers are specialized power tools used primarily in the stone fabrication and concrete polishing industries. They are designed to polish and finish surfaces like granite, marble, concrete, and other natural stones.Here are some key points about wet air polishers:

  1. Usage and Purpose:

    • Wet air polishers are employed for smoothing rough surfaces, removing scratches, and achieving a high-gloss finish on stones and concrete.
    • Unlike dry polishers, they use water to cool down the pad and reduce dust during the polishing process.
  2. Components:

    • These tools typically consist of a pneumatic (air-powered) motor and a water feed system. The water feed helps to keep the polishing pad and the surface being worked on wet.
  3. Air-Powered Operation:

    • Wet air polishers are powered by compressed air, which is supplied through an air compressor. This allows for continuous, high-powered operation.
  4. Variable Speeds:

    • Many wet air polishers have adjustable speed settings, allowing the user to control the polishing process according to the specific material and desired finish.
  5. Different Pads for Different Applications:

    • They are used in conjunction with various types of polishing pads, which come in different grits. Coarser grits are used for initial smoothing, while finer grits are employed for achieving a high polish.
  6. Safety Measures:

    • Safety precautions include using a ground fault circuit interrupter (GFCI) to prevent electric shock when water is involved, wearing appropriate safety gear like goggles and gloves, and ensuring proper ventilation.
  7. Applications:

    • Wet air polishers are commonly used in industries like construction, masonry, and countertop fabrication for finishing and polishing stone surfaces.
  8. Maintenance:

    • Regular maintenance includes cleaning the tool after use and checking for any wear and tear on the components.
  9. Considerations for Purchase:

    • When buying a wet air polisher, factors to consider include the type of projects it will be used for, the compatibility with different polishing pads, and the availability of replacement parts and service.

Remember that using any power tool requires proper training and safety precautions. Always follow the manufacturer's guidelines and recommendations for safe operation.

Below you can find our editor's choice of the best wet air polishers on the market
  

Gison GPW7 4-Inch Air Wet Stone Polisher 4500 Rpm with Front Exhaust

Gison

Based on 12 reviews Check latest price

Product description

4" Air Wet Stone Polisher 4500 RPM with Front Exhaust GPW-7 has a front exhaust port, which allows the user to dry the edge with the tool and inspect their work as they go. Economical and reliable, this tool is a great value. Includes one 4" back holder

  • Air Cons: 0.22 m3/min 8 CFM minimum 12 CFM optimal
  • Spindle Size: 5/8-11
  • one 4" back holder (Semi Rigid)
  • Max Speed: 4,500 rpm
  • Weight: 1.36 kg (3 lbs)

User questions & answers

Question: Does this have a reverse
Answer: this contains 6 refills.
Question: How do you connect air there? Is it a compression fitting or some kind of non-us quick connector? Is its threading metric (if i need to swap it)? Tnx
Answer: our foaming hand wash only works with our special foaming dispenser to make a marshmallowy foam.
Question: Does this product come with a speed
Answer: No, they are not denim. They are a cotton/ poly blend, with some stretch to them. I didn't like my purchase. the legs are very baggy.
Question: Any idea what grease is best? instructions call for weekly grease thru handle screw & "grease hole" on end (as well as daily oil into air inlet
Answer: They measure 1 3/4" inside the loop.

Air Grinder,4-Inch Air Wet Stone Polisher 5500 Rpm with Rear Exhaust,Air-Powered Stone Polisher

Based on 56 reviews Check latest price

Product description

About product

we are proud to introduce a revolutionary& creative air stone polisher that built a high results in stone processing, excellence in granite, marble and concrete, tiles and etc. This high-performance polishing machine is ergonomically designed for easy use. 5/8"-11 thread are available according to your require, and it could match with diameter 3 inch,4 inch or 5 inch polishing pads.



Specification:

Weight:1.2KG(2.8lbs)

Air consumption: 16cfm(0.45m3/min)

Free Speed:5500rpm

Working pressure:90psi(621Pa) Air Inlet:1/4” Npt

Common thread: 5/8"-11

Usage: Wet

Packing includes : 4' Velcro pad, side handle, wrenches, hoses for air, water exhaust etc. appropriate fittings.



Main Features: Appliable for grinding and polishing for stone, marble, granite etc. Water-fed installation favors your stone finish work by water flow on the working area and does no harm to your body due to non-dust atmosphere at operation. This speed tool does the sanding and polishing work by fitting sanding disc wet in different grit from coarse to thin. Side mounted water control knob and air inlet with regulating knob,Rear exhaust design .



What Advantages ?

1. Nice packing & high-performance ,light weight design gets into tight spaces easily .

2. Good radiator system, fast cooling, comfortable operation.

3.No electric hazards, air powered water flow.

4. Low vibrate and noise with excellent performance.

5.Great for laminating stone table and trim work.



Notes :

At high speed, ideal tool for fast stock removal using diamond grinding wheel, zero tolerance wheels,diamond edge wheels,finger drill bits and diamond hole saws blades .

You should adjust for a low speed for polishing with granite diamond polishing pads.



More items in Sweet decoration , we hope you have a nice shopping experience , Thanks!

  • ●1. Less weight 1.2 kg (about 2.8lbs),high power-to-weight ratio for reduced operator fatigue.
  • ●2.Air Consumption: 16cfm(0.45 m3/min )
  • ●3.Air Pressure:90Psi(621Pa) Air Inlet:1/4” Npt
  • ●4.Shaft Thread: 5/8"-11
  • ●5.Free Speed: 0 to 5500rpm

User questions & answers

Question: How many horse power do I need to work fine with this tool
Answer: It’s complex. Order a container and check it yourself. And you best have a very, very strong magnifying glass! 😱
Question: Que tamano de compresor podria usar
Answer: I don't know what is a "simple human automatic" soap dispenser. I dispense mine out of a re-used el-cheapo dispenser that is the same pretty green color as my soap. It works great. Refilled twice so far.
Question: What is the model of it
Answer: To create that marshmallowy foam, we recommend using our foaming hand wash bottle.
Question: Does it come with fittings and hoses for air and water connection
Answer: Has very pleasant smell. Highly recommend.

Air Wet Stone Polisher 4-Inch Pneumatic Air Wet Stone Grinder Polisher 4300RPM Granite Marble Stone Wet Air Sander Polisher Water Mill Pneumatic Polishing Tool (4'' 4300RPM)

Based on 2 reviews Check latest price

Product description

Specifications:

Model: BC-WS100

Category: Straight Shank Pneumatic Grinder

Disk diameter: 4''

No-load speed: 4300RPM

Working pressure: 6-8kgf/cm² / 6-8 bar

Air inlet size: 1/4''

Recommended tracheal diameter: 8mm x 5mm (0.32'' x 0.2'')

Water pipe: 2.3m/7.6ft

Chassis thread size: M16

Use (applicable industry): stone, jade, ceramic polishing

Product size: 23cm x 15.5cm x 10cm (9'' x 6'' x 4'')

Color: Red

Package size: 27cm x 19cm x 12cm (10'' x 7'' x 5'')

Shipping weight: 1.7kg/3.5lbs



Package includes:

1 x Pneumatic Grinder

1 x Wrench

1 x Water Pipe

  • 【HUMANIZED DESIGN】Pneumatic Air Wet Polisher Sander, high hardness helical gear can ensure longer tool life, reasonable grip design to improve work comfort.
  • 【COPPER WARER NOZZLE】Copper water nozzle can moisten the cutting face, not make the dust particles rise, and protect the body from the stimulation caused by dust. Widely used in the polishing and polishing of marble, granite, stone, jade, ceramic polishing.
  • 【MAIN PARAMETERS】Style: Straight Shank Pneumatic Grinder. Disk diameter: 4'', No-load speed: 4300RPM, Working pressure: 6-8 bar, Air inlet size: 1/4'', Recommended tracheal diameter: 0.32'' x 0.2'', Chassis thread size: M16, Water pipe: 7.6ft, Product size: 9'' x 6'' x 4'', Package size: 10'' x 7'' x 5'', Shipping weight: 3.5lbs.
  • 【THE BEST POLISHING EFFECTS】The tool must be equipped with a sticky disc first, and then a different number of diamond soft abrasive discs (from coarse particles to fine particles) according to different requirements to avoid unnecessary repetitive labor and achieve the best polishing and polishing effects.
  • 【PACKAGE CONTENTS】1 x Pneumatic Grinder, 1 x Wrench, 1 x Water Pipe.

Gdrasuya10 Air Wet Stone Polisher, 4" Water Jet Pneumatic Grinder Sander Marble Jade Stone Air Polisher 4300rpm

Product description

Description:

model: BC-WS100

Category: Straight Shank Pneumatic Grinder

Disk diameter: 4inch

No-load speed: 4300 (rpm)

Working pressure: 6-8 kg

Air inlet size: 1/4 (inch)

Recommended tracheal diameter: 8 * 5 (mm)

Water pipe: 2.3m

Use (applicable industry): stone, jade, ceramic polishing

Dimensions: 230*155*100mm

Tool net weight: 1.6 (kg)

color: red

 

Package include:

1*Pneumatic Grinder

1*wrench

1*Water pipe

  • 【Ergonomic Design】Reasonable grip design improves work comfort.
  • 【Copper Water Nozzle】Copper water nozzle can moisten the cutting face, not make the dust particles rise.
  • 【Specifications】Disk diameter: 4inch;No-load speed: 4300 (rpm);Working pressure: 6-8 kg;Air inlet size: 1/4 (inch);Recommended tracheal diameter: 8 * 5 (mm);Water pipe: 2.3m.
  • 【Application】Widely used for polishing and polishing of marble, granite, jade and other stones.
  • 【Package include】1*Pneumatic Grinder;1*wrench;1*Water pipe.

4" Pneumatic Wet Stone Polisher Air Wet Sander Granite Marble Concrete Grinder

Product description

Specifications:

Model: BC-WS100

Category: Straight Shank Pneumatic Grinder

Disk diameter: 4inch

No-load speed: 4300 (rpm)

Working pressure: 6-8 kg

Air inlet size: 1/4 (inch)

Recommended tracheal diameter: 8 * 5 (mm)

Water pipe: 2.3m

Use (applicable industry): stone, jade, ceramic polishing

Dimensions: 230*155*100mm

Tool net weight: 1.6 (kg)

Color: red

Chassis thread size: M16



Features: 

Compact and small size, easy to carry and operate.

Made of high quality material, sturdy and durable to use.

Disk diameter: 4inch;  No-load speed: 4300 (rpm); Chassis thread size: M16.

Applicable for stone, jade, ceramic polishing.



Package Included:

1*Pneumatic Grinder

1*Wrench

1*Water pipe



Thanks for shopping in NengceNaUS.

If you have any questions, please feel free to contact us.

  • Compact and small size, easy to carry and operate.
  • Made of high quality material, sturdy and durable to use.
  • Disk diameter: 4inch; No-load speed: 4300 (rpm); Chassis thread size: M16.
  • Applicable for stone, jade, ceramic polishing.
  • Package include: 1*Pneumatic Grinder, 1*wrench, 1*Water pipe.

Gison GPW220 4-Inch Wet Air Polisher/Sander

Gison

Product description

4" Gison Wet Air Polisher/Sander GPW-220 is a high end, relatively light wet polisher with rear exhaust.

  • Rear Exhaust
  • Spindle Size: 5/8-11
  • Max Speed: 3,600 rpm
  • Air Inlet: 1/4"
  • Air Pressure: 90 psi

User questions & answers

Question: what size pad does it take
Answer: Actually, you can! I use this in my foaming pump dispenser all the time and it is great. The secret is that you need to also mix it with water for that method, about half and half (or to your taste). From empty, I fill up the Method foaming dispenser bottle to the bottom of the Method label with soap, and then fill the rest with water. Put the cap on and shake until it is mixed well, and it's perfect!

Gison GPW212 5-Inch Heavy Duty Wet Air Sander/Polisher

Gison

Based on 11 reviews Check latest price

Product description

5" Gison Heavy Duty Wet Air Sander/Polisher GPW-212. Gison GPW-212 is a heavy duty wet air polisher suitable for heavy polishing of granite, marble, concrete and other types of stones

  • Poses no electric hazards.
  • Variable water flow.
  • Low vibrate and noise with excellent performance.
  • R regulator on the housing enables user to adjust frequency of air.
  • Centre water feed function reduces dust, and improves environment protection.

User questions & answers

Question: Does this have a 5/8" - 11 thread on the arbor
Answer: It’s quite liquidity. Need at least a few pumps to get sudsy.
Question: What size air compressor is optimal
Answer: I have a 12 oz soap pump (not Method brand). Each of these refill packages fills my pump about 1 1/2 times. Hope this helps.
Question: What is the working RPM range for this polisher
Answer: 6 count of 34oz refills

5500rpm 5 Inch Professional Mill Pneumatic Polishing Machine 3 Speed Water Sander Wet Stone Polisher Wet Air Sander Air Grinder Fit Marble Granite Stone for Marble Granite STOCK New

Product description

All the products are shipped from US warehouse(CA or NJ)!

All the products are shipped from US warehouse(CA or NJ)!

All the products are shipped from US warehouse(CA or NJ)!



Features:

★ Three speed adjustment device

★ High hardness helical gear can ensure longer tool life

★ Reasonable grip design to improve work comfort

★ Copper water nozzle can moisten the cutting face, not make the dust particles rise, and protect the body from the stimulation caused by dust

★ The tool must be equipped with a sticky disc first, and then a different number of diamond soft abrasive discs (from coarse particles to fine particles) according to different requirements to avoid unnecessary repetitive labor and achieve the best polishing and polishing effects.

★ Widely used in the polishing and polishing of marble, granite and other stones



Parameter Description:

Thread for mounting: 14mm thread

No-load speed: 5500rpm

Output shaft: 5 / 8--11UNC or M14 * 2

Polishing disc (cutting disc): 5’’in (125mm)

Air consumption: 5scfm

Intake thread: 1 / 4‘’PT

Duct ID: 3 / 8’’ID

Working pressure: 90Psi 6.3Bar

Size: 257 * 102mm

Weight: 1.80Kg / 3.96Lbs



Package includes:

1 * Polishing machine

  • 【Durable】: High hardness helical gear can ensure longer tool life
  • 【Good design】:Reasonable grip design to improve work comfort
  • 【Safe to use】: Copper water nozzle can moisten the cutting face, not make the dust particles rise, and protect the body from the stimulation caused by dust
  • 【How to use】: The tool must be equipped with a sticky disc first, and then a different number of diamond soft abrasive discs (from coarse particles to fine particles) according to different requirements to avoid unnecessary repetitive lab
  • 【Appliance】: Widely used in the polishing and polishing of marble, granite and other stones

Product features

Air Wet Polisher Specification:

  • Air Consumption: 16 cfm(0.45m³/min)
  • Air Pressure: 90Psi(621kpa)
  • Air inlet: 1/4” Npt
  • Shaft Thread: 5/8"-11
  • No Load Rev Speed: 0-4500 rpm
  • Pad Diameter: 4"
  • This wet polisher kit comes with 1 air wet polisher and 1 piece backer up pads

Air Wet Polisher Features:

1.Low vibrate and noise with excellent performance.

2.Gravity casting housing carries long duration of tool.

3.Centre water feed function reduces dust.

4.Water valve can be adjusted for variable water-flow.

5.Includes a reversible side handle, exhaust muffler, air hose adapter and water valve with hose adapter.

6.Both 3" and 4" pads are available.

7.Light weight (3 lbs) and compactable design are also suitable for single-hand operation

Good Tools, Easy Work!

Canadian Tool and Supply 5-Inch Pneumatic Wet Polisher for Conrete / Marble / Stone uses Diamond Pads Air Sander with 5/8-11nc Arbor Spindle (PWPS-5)

Based on 17 reviews Check latest price

Product description

5" Wet Air Sander / Polisher Comfort Grip



Includes:



Pneumatic Wet Sander Polisher

Velcro Sanding Pad

optional, removable handle, left side mounting

two wrenches (for removing disc)

Air Quick Connect (milton style)

  • Comfort Grip insulates hands from cold and vibrations
  • 5/8" - 11nc Arbor fits many accessories also comes with 5" (125mm) velcro backing pad
  • Free Speed (RPM): 6,000 Working Air Pressure: 90 PSI
  • two wrenches (for removing disc)
  • 1/4" 'M' Style air quick connector (milton style)

User questions & answers

Question: how much air is needed for this polisher
Answer: I have a 7 horse, 80 gal two stage compressor. It gives it a workout, but does a good job.
Question: Side or rear exhaust
Answer: Front side exhaust. Nice tool. I used it to polish rough granite, worked great. You do need a good cfm air compressor
Question: Where is this tool made
Answer: I think china
Question: is the RPM adjustable, or is it set at
Answer: Adjust the air to adjust the speed

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