What is a terminal screwdriver?
Terminal screwdrivers are used for tightening screws that are commonly found on screw terminal blocks. The type of screwdrivers that are commonly called “terminal screwdrivers” are slotted, and typically have a blade width of 3.2mm (⅛”) or 3.5mm (9/64″).
What are the different types of screwdrivers called?
Types of Screwdriver Heads
- Phillips Head. AKA: Cross head screwdriver. If you only own one screwdriver, this is the one you want.
- Flat Head. AKA: Straight head, flat blade, slotted screwdriver.
- Allen Wrench. AKA: Hex key, Allen key, hex screwdriver, Ikea wrench.
What are the 3 types of screwdrivers?
What are the Screwdriver Types?
- Flat Head or Slotted Screwdriver. This screwdriver type is probably the most common form of hand tool.
- Phillips Screwdriver.
- Torx or Star Screwdriver.
- Hex Screwdriver.
- Pozidriv Screwdriver.
- Robertson or Square Screwdriver.
- Tri Wing Screwdriver.
What are three types of screwdrivers?
Type of Screwdriver Functions.
What are square head screws called?
Robertson Screw
What is a Robertson Screw or Robertson Head Screw? Most of us call Robertson screws “square drive” or “socket head” screws. They were invented by Canadian traveling salesman Peter Robertson around 1906.
What is test pen use for?
Amplified electronic testers (informally called electrical tester pens, test pens, or voltage detectors) rely on capacitive current only, and essentially detect the changing electric field around AC energized objects. This means that no direct metallic contact with the circuit is required.