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The Ingersoll Rand 308B Air Straight Die Grinder combines a powerful 0.33 HP vane motor with a blistering 25,000 RPM speed, all packed into a lightweight 1 lb. ergonomic composite housing. Designed for durability with ball-bearing construction and a lubricating wick, it minimizes vibration and maximizes lifespan. Safety is prioritized with an integral throttle lock, while rear exhaust and piped-away exhaust options keep your workspace clean. Ideal for cutting, deburring, grinding, and polishing, this tool is a top choice for professional fabricators and welders seeking precision and comfort.












| ASIN | B008JYRDFE |
| Best Sellers Rank | #21,376 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #5 in Power Die Grinders |
| Brand | Ingersoll Rand |
| Brand Name | Ingersoll Rand |
| Color | Gray |
| Customer Reviews | 4.6 out of 5 stars 591 Reviews |
| Global Trade Identification Number | 00663023106137 |
| Included Components | 308B Pneumatic Straight Die Grinder, 1/4 inch and 6 mm Collets, Two Wrenches. |
| Item Dimensions | 10.24 x 7.94 x 3.94 inches |
| Item Type Name | Die Grinder |
| Item Weight | 1.02 Pounds |
| Manufacturer | Ingersoll Rand |
| Manufacturer Part Number | 308B |
| Manufacturer Warranty Description | 1-year |
| Maximum Rotational Speed | 25000 RPM |
| Model Number | 308B |
| Other Special Features of the Product | Variable Speed |
| Power Source | Air Powered |
| Recommended Uses For Product | Cutting, Deburring, Grinding, Polishing |
| Special Feature | Variable Speed |
| Style Name | 308B - Composite Air Straight Die Grinder |
| UPC | 094716903939 663023019789 640026839866 031111202045 787721832539 663023106137 |
| Unit Count | 1.0 Count |
J**R
Die grinder
Great tool just keep it oiled
J**.
works great
works great
J**Y
Great tool for metal workers.
Very good die grinder, good power and has a decent weight to it. I’ve put decent amount of pressure on it and doesn’t slow down. Great tool for fabricators and welders.
B**L
Great prody
Fast delivery great product
T**A
Trash, but good value
This thing is a piece of trash, but you don't get much for $60 these days. Four stars because it's a decent value. The trigger safety spring is too tight, the plunger feels like it's full of bubble gum, and the bearings feel like they're full of oatmeal. Will see how it holds up, but for the price I wasn't expecting much. If you want a real tool, spend $700 and get a Dynabrade.
D**.
A+
A+
B**K
Lightweight and efficient
I'm a welder and I'm very picky on hand tools, but this certainly has been a good add to the toolbox
P**L
Pretty decent die grinder until it broke , a year & a half later !
This die grinder is a pretty good little grinder , until it isn’t ! I’ve had it a little over a year & a half , and it always did the job with good speed , & power , but the inner , metal shaft just snapped recently on a job , but thankfully I had another older , and slower die grinder handy that handled the remaining portion of the task ! It could be that I got a grinder that had a small weak spot on the inner shaft , and the next thousand that came off the assembly line were perfectly fine , or maybe the power , & speed are too much for some of the components used . I’m not sure . Generally speaking though , I’ve always been satisfied with the IR products I’ve owned , and used !
J**I
Awesome tool
Been using it for a couple of months in a professional environment. I oil it every other day. Hasn't failed me yet. Durable. Can take a beating. Would highly recommend.
L**6
Excellent quality tool
Good tools as always from Ingersoll Rand
H**N
Excellent motor
Excellent motor
P**S
Only the doe grinder, not the case or bits shown in the photo
Shown as in a case with grinding bits but just the grinder. Not good
C**H
Very nice quality die grinder
Very nice quality die grinder, lots of power with reasonable air consumption. The plastic housing keeps grinder from becoming cold when using for long periods. Put a dab of lithium grease on safety shoe otherwise it is difficult to use.
Trustpilot
1 day ago
2 months ago