Product name
Y-type Tamper Proof Security Pan head Self tapping screw
Certificate
ISO9001:2015, RoHs
Packing
Small Packing+Carton Packing+Pallet
Reliability test
mechanical dimentions, hardness test. salt spray endurance test
Heat Treatment
Tempering.Spheroidizing, Quenching, Spheroidizing annealing etc
Hardness
Surface Hardness,HV400~500 HV0.3,Core Hardness,320~380HV10