finish
Plain, Black Oxide, zinc plated, Chrome Plated, Nickel plated
material
Brass, Stainless Steel, Steel
measurement system
INCH, Metric
place of origin
Guangdong, China
head style
Pan, Truss, flat, ROUND
Specifications
K40 M4*10PT
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
Place of Origin
Guangdong,China (Mainland)
Reliability test
mechanical dimentions, hardness test. salt spray endurance test