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Product description
Name:Pneumatic grinding pen
Material: plastic + Alloy steel
Length: 143mm
Chuck size:3.0mm
Air inlet thread: 1/4-28UNF
Free speed: 70000 rpm
Air pressure: 90psi
Application:
Ideal for final cleaning and polishing of dies, and jewelry and for hobby
Features :
● Quick lettering, use for flexible and comfortable.
● Pen needles is made of special alloy steel, good durability.
● Depending on the difference of material to decide the depth.
● Works great on metal, wood, plastic, glass, stone, porcelain and other hard material.
● This configuration is great for marking tools, parts and more.
Package included:
1 x Micro Air Die Grinder
30 x Alloy grinding head
10 x Grinding wheel head
2 x Spanner
Note:
When using the tool, please add the pneumatic oil for every 2-3 hours at a time (about 5-6 drops) regularly.
Please allow a slight error due to manual measurements.Pls make sure you do not mind before you bid, thank you!.
The color may have different as the difference display,pls understand.
2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part.
3.Return items should include the original packaging and all accessories. buyers MUST contact us for the returning address.
4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.

