SS316 Stainless Steel Phillips Truss Head (Cross Recessed Mushroom Head) Self Tapping Screws (M3.9 x 16mm) (4pcs)

Feature:
SS 316 Stainless Steel Phillips Truss Head (Cross Recessed Mushroom Head) Self Tapping Screws (M3.9 x 16mm)
They are mostly used for the connection between thin metal plates.
When connecting, first making a threaded bottom hole for the connected piece, and then screw it into the threaded bottom hole of the connected piece.
In addition, the 316 Stainless Steel Self Tapping Screws are composed of a head, a shaft and a shaft end.
They undergo solution hardening treatment so that they can meet the mechanical properties and use performance required by the standard.
They have high surface hardness and good core toughness as well. What’s more,
the 316 Stainless Steel Self Tapping Screws have the outstanding properties of high strength,
high rigidity, high precision