Material: 304 stainless steel
Name: Pros and cons double-headed screws
Surface treatment: stainless steel
Standard: National Standard
Packing description: plastic bag/carton
Specifications:
The specification is composed of d*L (thread diameter d* total screw length L) unit: mmb1=b2 (b1 is orthodontic, b2 is reversed) b3 is hexagonal length
S is the opposite side of the hexagonal bar
Thread is standard thread