4-Head Concrete Grinder with Extendable Rod, 3800W 4'' Grinding Machine by XIIW - Used condition

4-Head Concrete Grinder with Extendable Rod, 3800W 4'' Grinding Machine — Open-Box, 30% Off

Name: 4-Head Concrete Grinder with Extendable Rod, 3800W 4'' Grinding Machine
Brand: XIIW
SKU: awhd-us-b0g111mmm2
Price: 202.99 USD
Availability: InStock

Brand: XIIW

Condition: Used - Mint

$202⁹⁹

$289⁹⁹

-30% Save $87⁰⁰

Updated: Yesterday

Buy at Amazon.com

Description

【Four-Head High-Efficiency Grinding System】This concrete grinder features four 4-inch diamond grinding wheels designed to offset rotational imbalances, guaranteeing smooth performance. Powered by a high-quality copper motor, this quad-head setup boosts work efficiency by 400% compared to grinders with a single grinding head. 【Ergonomic Design】This grinding machine is crafted to let you work standing up comfortably, reducing stress on your knees. Its specially arranged wheels help lessen fatigue, even during extended periods of use. 【High-Powered Motor】Equipped with a 3800W pure copper motor running at 6000 RPM, this floor grinder provides efficient and effective surface grinding. It’s ideal for marble polishing as well as demanding concrete grinding tasks. 【Efficient Operation】This concrete surface grinder features a 6-speed control system, enabling easy adjustment to suit various tasks and achieve more precise grinding results. 【Dual Dust Management System】The dust cover features a detachable side design that enables grinding at a 90-degree angle to walls, making it easier to reach tight corners. Additionally, it can be connected to a vacuum cleaner for nearly dust-free operation, keeping the work area clean. 【Package List】1 × 3800W concrete grinder; 4 × 100mm grinding cups; 4 × sanding papers; 4 × diamond polishing pads; 4 × cup brushes; 1 × long handle; 4 × submersible pumps (with hose); 2 × replacement carbon brushes

MULTIFUNCTIONAL APPLICATIONS

Concrete Grinder
- Removes uneven surfaces, paint, adhesives, and coatings.
Brush Sander
- Ideal for dry grinding/brushing: wood, metal, plastic, plaster (painted/unpainted).
Wet Polisher
- High-efficiency, low-cost alternative to traditional water mills.

TECHNICAL SPECIFICATIONS

Voltage: 110V~
Frequency: 50Hz/60Hz
Power: 3800W
Speed: 0–6000 RPM
Spindle thread: M10
Grinding wheel bore: 20mm
Max. wheel diameter: 100mm
Weight: 8.6kg

PACKAGE CONTENTS

1 × 3800W concrete grinder
4 × 100mm grinding cups
4 × sanding papers
4 × diamond polishing pads
4 × cup brushes
1 × long handle
4 × submersible pumps (with hose)
2 × replacement carbon brushes

Buy at Amazon.com

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

Backed by Amazon's A-to-Z Guarantee
30-day return policy
Ships from Amazon fulfillment centers
Price verified on Amazon

Product Details

SKU:: awhd-us-b0g111mmm2
Model:: 82581
Country:: US
ASIN:: B0G111MMM2

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $87 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for XIIW products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.