Product Introduction

　　Cross countersunk head self-tapping screw is a self-tapping screw with a cross recessed head, a countersunk head, and a triangular tooth at the tail. The composition of each self-tapping screw has four elements, namely the shape of the head, the way of screwing, the type of thread and the type of end.

88彩票Product parameter

88彩票　　 Specification: M2-M10

88彩票　　 Length: 4-80mm

　　 Material: 410 stainless steel

　　 head type: countersunk head

88彩票　　Thread type: self-tapping locking teeth

　　 slot type: cross slot

　　 Tensile strength: ≥500Mpa

　　 Vickers hardness: 155-220HV

　　 Brinell hardness: 147-209HB

88彩票　　Surface treatment: bright heat treatment