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Detailed Description:

The Astro Tools 30045 ONYX 4.5" Compact Air Angle Grinder is a powerful tool designed for grinding tasks in tight spaces. Despite its compact size, it features a 4.5" disc size and a 0.8HP motor that delivers a powerful 12,000 RPM for efficient material removal. Measuring just 8.5" long, this grinder is perfect for tackling grinding jobs in areas with limited access. It also features a convenient push-button spindle lock for easy disc changes. With specifications including a free speed of 12,000 rpm, air consumption of 4.2 CFM, an overall length of 8.5", an air inlet of 1/4", an air hose of 3/8", and an air pressure of 90 psi, this compact air angle grinder is a versatile and reliable tool for any grinding task.


For popular 4.5” grinding disc size with 7/8” arbor hole (5/8"-11 thread size)
Compact overall size for a 4.5” grinder at just 8.5” long
Push button spindle lock
0.8 horsepower, 12,000 rpm