Material is Carbide tungsteng(head)

Metal needles undergo advanced internal precision polishing and ultrasonic cleaning at least 3 times to completely eliminate burrs

Durable and have a long service life

Precise fixture control ensures the positive and negative tolerance riveting process of the needle tube, and the connecting part between the needle tube and the needle seat is not easily detached

High quality buckle design ensures sealing, prevents glue leakage, and improves production efficiency