This tool can be used for drilling, cutting, porting, weld breaking, deburring and polishing. The hand die grinder is powered by air compressor, able to achieve rotation speeds up to 22,000 RPM and features low-noise operation, aluminum housing and a self-locking throttle. This die grinder set includes 1/4 to 1/8 collet adapter, that can be used with most types of Dremel accessories, cutting disks and grinding stones. The set includes five large 1/4 inch shank stones and 1/8 inch shank stones, set of chuck wrenches and American type air inlet connector.

Features:

• The air hand held grinder set can be widely used for all kinds of projects
• Can be used for drilling, cutting, porting, weld breaking, deburring and polishing
• Its ergonomic design makes it suitable for precise handheld work
• Includes a chuck adapter for quick conversion between 3mm-6mm (1/4inch-1/8inch) shank attachments
• Made of lightweight aluminum alloy and high quality bearings

Specifications:

• Model: RT-1206K
• Maximum speed without load: 22000rpm
• Variable speed throttle control
• Full ball bearing construction
• Air inlet: 1/4in PT
• Air hose: 3/8in I.D.
• Air consumption: 4cfm
• Aluminum body
• Grinder weight: 18.5oz or 526g

Please note:

• Hand tied the air inlet only half way into the tool’s housing, because the air inlet adapter is using tapered threads that will create a seal between the flanks of the threads
• Daily or before use, please add 5-8 drops of oil into the air inlet of the tool to prolong the life of the tool

Package includes:

• Air die grinder
• 10 grinding stones
• 2pcs hand wrenches
• 1/4 to 1/8 collet adapter 
• Air hose connector
• Storage case