3mm bits can be provided for you, all specs are the same price. When you place the order, please remark which you need. Thank you!
Material: The needle core is made of high-hardness alloy tungsten steel. Only Suitable SFX pneumatic marking machine.
Applicable material:
3mm is suitable for marking parts and other accessories.
4mm is suitable for marking high hardness materials such as steel parts and iron parts.
Equipment characteristics:
The advantage of pneumatic marking is that the marking can be deep or shallow, whether it is graphics, text, product, and serial number.
