Lugar de origem
Guangdong, China
Estilo de cabeça
Panela, Truss, Plana, Rodada, Hex
Material
Carbon Steel/Stainless Steel
Surface treatment
zinc plated
Breaking torque
(N.m):0.8~32
Hardness
Surface Hardness,HV400~500 HV0.3,Core Hardness,320~380HV10
Heat Treatment
Tempering.Spheroidizing, Quenching, Spheroidizing annealing etc
Function Range
Only for plastics and thin sheet metal
Reliability test
mechanical dimentions, hardness test. salt spray endurance test