Everything about types of screw heads list
'ACME' can be a phrase that refers to a particular thread variety. All ACME screws will also be lead screws although not all lead screws are ACME screws. The ACME thread normal is accompanied by certain lessons which include 2G, 3G, 2C etcetera.This driver comes along with a magnetic idea to permit with the easier retrieval of screws. Most screwdri