Chicago Pneumatic CP872 Air Die Grinder vs Ingersoll Rand 307B 1/4 in. Air Die Grinder, Straight
Overall winner: Chicago Pneumatic CP872 Air Die Grinder
Key Differences
Ingersoll Rand (A) lists a lower price tier and emphasizes very high RPM (28k) with a lightweight, compact, ball-bearing design for balance — good for fast material removal. Chicago Pneumatic (B) offers slightly higher-rated power specs (0.63 HP, 27k RPM), an ergonomic straight head and built-in safety throttle, making it better for extended grinding, porting, and metal-polishing tasks
Chicago Pneumatic CP872 Air Die Grinder
Compact straight-head air die grinder with 0.63 HP and 27,000 RPM for grinding and polishing. Customers note good power, compact size, and ease of use
Pros
- high power and speed
- ergonomic, lightweight design
- safety throttle lever
- compact for versatile use
Cons
- noise level varies according to user
- some find it loud
- noted as heavier when used for extended periods
Ingersoll Rand 307B 1/4 in. Air Die Grinder, Straight
Compact 1/4 in. air die grinder with 0.25 hp, 28,000 rpm, and aluminum housing. Ideal for grinding, deburring, and polishing with lightweight handling. Customer note: powerful and easy to maneuver in tight spaces
Pros
- lightweight, compact design
- ball-bearing construction
- aluminum housing for balance
- includes 1/4" and 6 mm collets
Cons
- mixed durability feedback from users
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Ingersoll Rand |
| Durability | Tie |
| Versatility | Chicago Pneumatic |
| User Reviews | Ingersoll Rand |