Different kinds screwdriver Inspection:
Slotted screwdriver
Phillips screwdriver,
square screwdriver,
hexagonal screwdriver,
electric screwdriver.etc
Some common factors for screwdrivers quality control:
Appearance
Quantity check
Measurement(weight& size&thickness）
Fastness test
Function test
Internal check for product
Metal Hardness test when applicable
Running test
Voltage test
HI-POT test
Current test
Power test
Speed test
Pull test for cord
Packing checked
Carton dropping test
