Materials and surface treatment
Screw: Hardened carbon steel, galvanized with sealing
Riveting sleeve: aluminum, natural color
Spring: 300 series stainless steel, passivated
Thread: M3 M4 # 4-40 # 6-32

The combination screw of the riveting series has a smaller foot that allows it to be used in small spaces. After riveting, it does not affect the appearance of the product. Teeth pattern specifications: # 4 to # 6 and M2.5 to M3.