SPEEDAIRE Air-Powered Drill: 3/8 in Chuck, 22,000 RPM, 0.5 hp, Keyed
SKU 3G-OTH-148738
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Frequently Asked Questions
What is the SPEEDAIRE 21AA78 air-powered drill used for?
The SPEEDAIRE 21AA78 is a 3/8 in keyed inline air drill used for high-speed drilling in metal, wood, and composites. Its 22,000 RPM and 0.5 hp make it ideal for deburring, countersinking, and light production work in automotive, aerospace, and general manufacturing.
What are the specifications of the SPEEDAIRE 21AA78 air drill?
The SPEEDAIRE 21AA78 has a 3/8 in keyed chuck, 22,000 RPM no-load speed, 0.5 hp, and a 1 5/32 in side-to-center dimension. It is an inline pneumatic drill designed for continuous industrial use. 3G Electric supplies this SPEEDAIRE model globally.
Where to buy the SPEEDAIRE 21AA78 air drill worldwide?
3G Electric supplies the SPEEDAIRE 21AA78 air drill to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this 3/8 in, 22,000 RPM pneumatic drill.
How to maintain a SPEEDAIRE inline air drill?
Lubricate the SPEEDAIRE 21AA78 daily with pneumatic tool oil through the inlet. Clean the air filter and check for worn vanes or bearings. Always use a moisture separator in the air line to extend tool life. 3G Electric can supply replacement parts for this SPEEDAIRE model.
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Common applications for SPEEDAIRESPEEDAIRE Products
3G Electric supplies SPEEDAIRE inline air-powered drills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.








