| Air inlet thread | 1/4" NPT |
|---|---|
| Brand | Unbranded |
| Air pressure | 90psi |
| Material | plastic + Alloy steel |
| Country/Region of Manufacture | China |
| Free speed | 70000 rpm |
| Chuck size | 3.0mm |
Check the listing for details. DIY 90 Degree 3MM Pneumatic Micro Grinder Angle Air Micro Die Grinder Set Tool. Condition: New. Listed at 65.59 USD. 1 x Micro Air Die Grinder. Air inlet thread: 1/4-28UNF. ● Depending on the difference of material to decide the depth. The color may have different as the difference display,pls understand. Free speed: 70000 rpm.