Ingersoll

Ingersoll 5102MAX Grinder

Grinder
Pneumatic
1.41 pounds
20000 rpm

4.6/ 5 on Amazon623Amazon ratings200+bought last month4.2ProductDome score

More reviewed than 75%

High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology

Best forYou have a shop compressor and want a fast, light die grinder for deburring or polishing metal.

A high speed, lightweight air grinder for shops with compressed air already set up, not usable without one.

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ProductDome scorecard

How it ranks among the 150 grinders we track

4.2/ 5ProductDome scoreHigh confidence

Owner satisfaction · 56% of scorecategory median 4.6★4.6

4.6★ across 623 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 256 ratings3.5

623 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score3.1

200+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 150 grinders we track - how the scorecard works · full grinders data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

The Ingersoll 5102MAX is an air powered die grinder rated to 20000 RPM, weighing about 0.64 kilograms. It runs off a shop compressor rather than a battery or cord, a common setup for grinders used on metal fabrication and finishing work.

Running at 20000 RPM puts this in the higher speed range for die grinders, which favors fast material removal and smooth finishing over slow, high torque grinding. Since it is air powered, output depends on the shop compressor's pressure and volume, not on a battery charge.

20000 RPM top speed
Air powered operation
About 0.64 kilograms
Model 5102MAX

Who it's for

Fits shops and garages that already run a compressor and want a light, high speed grinder for deburring, polishing or light metal work. Not a fit for anyone without compressed air on hand, since it has no cord or battery option.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out

High 20000 RPM speed for fast finishing
Light at about 0.64 kilograms
No battery to charge or cord to manage

What to check first

Requires a shop compressor to run
Performance depends on air pressure and volume supplied

Performance notes

At 20000 RPM, the 5102MAX spins fast enough for fine finishing work like deburring welds or polishing metal surfaces. Actual cutting power will vary with the air supply behind it, since air tools draw performance directly from compressor pressure and flow.

Specifications

Brand	Ingersoll
Model	5102MAX
Power Source	Pneumatic
Item Weight	1.41 pounds
Speed	20000 rpm

How it compares

This product against the closest alternatives we track in grinders.

Product	Amazon rating	Ratings	ProductDome score
Ingersoll 5102MAX GrinderThis product	4.6 / 5	623	4.2 / 5
DEWALT DCG413B GrinderDeWalt	4.8 / 5	9,600	4.6 / 5
Milwaukee 2880-20 GrinderMILWAUKEE	4.8 / 5	2,400	4.5 / 5
AVID MW590 GrinderAVID	4.5 / 5	6,100	4.4 / 5
Makita 9557PBX1 GrinderMAKITA	4.8 / 5	3,960	4.4 / 5

Frequently asked

Questions about the Ingersoll 5102MAX

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

Does the 5102MAX need a compressor?

Yes, it is air powered and has no cord or battery option.

How fast does it spin?

Up to 20000 RPM.

How much does it weigh?

About 0.64 kilograms, light for a die grinder.