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Description
18-Volt OCTANE Cordless Brushless 7 in. Dual Angle Grinder Kit with (1) OCTANE Bluetooth 3.0 Ah Battery and ChargerRIDGID introduces the 18 Volt OCTANE Cordless Brushless 7 in. Dual Angle Grinder Kit with (1) OCTANE Bluetooth 3. 0 Ah Battery and Charger. The OCTANE Brushless 7 in. Dual Angle Grinder delivers unmatched performance in a cordless package. Run the grinder off 1 or 2 OCTANE batteries for optimal performance, or 2 non OCTANE batteries. OCTANE tools utilize high performance brushless motors for increased performance. State of the art OCTANE electronics
RIDGID introduces the 18-Volt OCTANE Cordless Brushless 7 in. Dual Angle Grinder Kit with (1) OCTANE Bluetooth 3.0 Ah Battery and Charger. The OCTANE Brushless 7 in. Dual Angle Grinder delivers unmatched performance in a cordless package. Run the grinder off 1 or 2 OCTANE batteries for optimal performance, or 2 non-OCTANE batteries. OCTANE tools utilize high performance brushless motors for increased performance. State of the art OCTANE electronics are built to handle maximum power from OCTANE batteries. The battery in this kit offers 2x more runtime when compared to standard 1.5 Ah lithium-ion. With Bluetooth Technology, the jobsite is opened up to many features that will increase productivity throughout the work day. While providing increased performance with all RIDGID 18-Volt tools, OCTANE batteries provide maximum performance when paired with OCTANE tools for high demand applications. The 18-Volt Charger is compatible with all RIDGID Batteries. With registration, this tool is backed by the Industry's Only Lifetime Service Agreement, and includes a grinder wheel, a spanner wrench, an auxiliary handle, a 3.0 Ah OCTANE Battery, an 18-Volt Charger, and an operator's manual.- California residents
- Grinder: optimized to run on Octane batteries: increased power and runtime with either 1 or 2 Octane batteries
- Grinder: non-Octane capable: able to run on 2 non-Octane batteries
- Grinder: electronic brake system: slows down the blade faster after the trigger is released
- Grinder: handle rotation: rotate the handle with the push of a button for added versatility
- Grinder: 2-finger lock-on trigger: faster startups and easier, more comfortable control
- Grinder: HexGrip micro-texture: offers maximum comfort and control
- Battery: maximum performance and intelligence when paired with a RIDGID Octane tool
- Battery: 2x more runtime when compared to standard lithium-ion batteries
- Battery: Bluetooth technology enabled offering industry leading intelligence
- Battery: over 15 different push notifications such as battery is fully charged, low battery, and maintenance is needed
- Battery: security features such as locate your battery, lock your battery, and disable your battery when out of range
- Battery: battery status features such as estimated charge time and total hours used
- Charger: compatible with all RIDGID 18-Volt Batteries
- 100% compatible: works with all RIDGID 18-Volt batteries and chargers
- Backed by the industry leading lifetime service agreement with registration within 90-days of purchase
- Includes: 1 R88040 OCTANE Brushless 7 in. dual angle grinder, 1 grinder wheel, 1 spanner wrench, 1 auxiliary handle, 1 AC840088 18-Volt Octane bluetooth 3.0 Ah Battery, 1 R86093 18-Volt charger, and operator's manual
- RIDGID: powerful, durable, professional
Features
| Item Weight | 8 |
| Arbor Size | 5/8 - 11 UNC |
| Color Family | Orange |
| Variable Speed | Yes |
| Battery Power Type | Lithium Ion |
| Batteries Included | No |
| Grinder Switch Type | Paddle |
| Electronic Speed Control | Yes |
| Cordless Tool Type | Angle Grinder |
| Condition | New |
| Motor Type | Brushless |
| Battery/Charger | Tool Only |
| Maximum Speed (rpm) | 6900 |
| Battery Size | 18-volt |
| Battery Amp Hours | 0.0 |
| Amperage (amps) | 0 A |
| Returnable | 180-Day |
| Cordless/ Corded | Cordless |
| Charger Included | Charger Not Included |
| Tools Product Type | Power Tool |
| Battery/Charger2 | Tool Only |
| Number of Batteries Included | 0 |
| Number of Batteries Included2 | 0 |
| Product Weight (lb.) | 8 lb |
| Voltage (volts) | 18 |
| Power Tool Features | Adjustable Handle Position,Grinding Wheel Included,Lock On Switch,Variable Speed |
| Product Width (in.) | 13.00 in |
| Product Depth (in.) | 24.00 in |
| Wheel Diameter (in.) | 7 in |
| Product Height (in.) | 7.00 in |
| Manufacturer Warranty | Lifetime Service Agreement with Registration |
| Certifications and Listings | UL Listed |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 4
Good Value for a Tall Chair
Size: 934W-Z, Color: White
I have received this chair just today and would like to give my first impressions of it.
Height is super adjustable as well as the foot rest. My desk is very tall (~34 inches vs standard ~29 inches) and does not suit a standard height chair. This chair's height is enough to sit comfortably at mybut also still having adjustment to be even higher.
Lumbar support is a manual adjustment that can be adjusted by sliding the lumbar piece up or down and it seems it can be tiled as well.
No reclining feature or slight backrest tilt adjustment. I'm used to my chairs reclining so it feels a little awkward siting in a flat base and straight backrest. I feel like I'm sitting too forward or leaning forward slightly but is probably something I can get use to.
Easy to put together and feels very sturdy. Plastic parts of chair are made from a really sturdy plastic, like playhouse plastic materials. Wheels roll around carpet easily. Mesh seems to be a strong material, though the mesh feels kind itchy on bare skin.
Overall, I think this is a good chair to get if you're needing a tall chair for a good value and can sacrifice no backrest tilt.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent value for money!
Size: 934W-Z, Color: Black, Size: 934W-Z, Color: Black
I absolutely love this office chair! I needed a chair that could support my standing desk without sacrificing comfort, and this one completely exceeded my expectations. It's incredibly sturdy and durable, well-made, and the height adjustment is super convenient, making it easy to find the perfect fit. Even during long hours of work, the seat is comfortable, and the ergonomic design effectively reduces pressure on my back and legs. I love its clean, modern look—it fits my home office perfectly. Assembly was quick and easy, and for this price, the quality is absolutely fantastic!
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Perfect chair!
Size: 934-Z, Color: Blue, Size: 934-Z, Color: Blue
I have an adjustable-height desk (also purchased from Amazon) and needed a drafting chair for those times when my body gets tired of standing. This chair fits the bill and then some! I put it together myself; it took me about an hour, but would take me about half that next time, since now I know what to do (and what NOT to do!). All the parts were there; there are even spare parts (see photo). All the holes were drilled in exactly the right places, too, which isn't always the case when I buy things from Amazon (my standing desk is a great example). The chair fits me; I'm short (5'3.5"), and often the seats of furniture are too deep for me to rest my feet flat on the floor. The depth of the seat on this chair is just a little over 18 inches, and with the adjustable footrest ring, it's perfect. I don't think a tall or heavy person would fit in it, to be honest. But it's perfect for those of us who are vertically challenged. I love that it glides easily on my hardwood floors and that it turns 360 degrees. The chair comes in numerous luscious colors, so take your pick! It is very sturdy, has good lumbar support, and the seat and seat back are very comfortable. And the arms flip up, which was an absolute must when I was shopping for this chair. I got it on sale, too -- $109.00 -- and I'm delighted with this purchase.
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Reviewed in the United States on April 23, 2026
★★★★★ 5
Excellent adjustable drafting chair
Size: 934-Z, Color: Blue
Excellent chair design, extremely comfortable and exceptionally easy instructions to follow making for simple assembly. Love the amply wide cushioned seat and ergonomic backrest. The height adjustment feature works perfectly as well as positioning of the foot ring . Having the ability to raise the arms is also a big plus! I highly recommend this product for attractive appearance, comfort features, functionality and operation. Really nice chair!
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Comfortable, stylish, and perfect for long work hours 💗✨
Size: 934-Z, Color: Pink
I bought this chair because I spend a lot of time working and needed something comfortable but also stylish, and I absolutely love it.
Since I started using it, I feel much better support in my back thanks to the lumbar support. It makes a big difference, especially during long work hours. The adjustable footrest is also a feature I didn’t know I needed, but now I use it all the time.
The flip-up armrests are very convenient because I can adjust them depending on what I’m doing or move them out of the way when needed.
The pink color is beautiful and adds a soft, elegant touch to my workspace. It looks great in a modern home office.
It feels sturdy, well-made, and very stable. Overall, it’s a great purchase that improved both my comfort and the look of my workspace.
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Reviewed in the United States on April 29, 2026