What is the proper name for a flathead screwdriver?

The tool used to drive a slotted screw head is called a standard, common blade, flat-blade, slot-head, straight, flat, flat-tip, or “flat-head” screwdriver. This last usage can be confusing, because the term flat-head also describes a screw with a flat top, designed to install in a countersunk hole.

What is a flat screwdriver?

A “slotted flat blade screwdriver” is a long standard hand-tool dating back to the 1500s. It has a flat-bladed tip used to turn, fasten or loosen screws and bolts. The flat blade screwdriver is an extremely versatile tool and is used for fasteners of all sizes, providing significant leverage.

Why are there flat head screws?

The slotted head screw (commonly but incorrectly called a flat head) is the oldest type of screw in use today. Now, they are mostly used for decorative purposes and have less “impact”. Many people think they are used on light switch covers still for this reason.

Why is it called a Robertson screwdriver?

He was demonstrating a spring-loaded screwdriver when the blade slipped from the screw-slot and badly cut his hand. The incident inspired him, so he decided to invent an improved and safer screw – The Robertson® Drive. P.L Robertson always looked for a better way of doing things and enjoyed working on new innovations.

What is a Robertson screw head?

A Robertson screw, also known as a square screw or Scrulox, is a type of screw which has a square-shaped socket in the screw head and a square protrusion on the tool. Both the tool and the socket have a slight taper.

What screwdriver is also known as square head?

Robertson screwdriver
The Robertson screwdriver, also known as a square screwdriver, was invented in 1908 by P.L. Robertson, a native Canadian.

What is a flat head screw?

Flat Head Screws, also called Countersunk Screws, are conical with a flat outer face and a tapering inner face. An advantage to this type of screw is that very little of the head protrudes beyond the surface, allowing it to sink into the material. These screws are commonly made out of stainless steel or zinc coating.

What is the difference between flat head screwdriver and phillips head screwdriver?

At first glance, the main difference between a flathead screwdriver, or more properly called a slotted or flat blade screwdriver, and a Phillips screwdriver should be patently obvious. A flathead has a single blade, and a Phillips has two blades in the shape of a cross.

Why are there flat head and Phillips head screws?

The reason for the different styles is cost and torque. Phillips screws are self-centering, making powered screwdrivers possible. They’re somewhat more expensive to produce than slotted-head. They tend to ‘cam-out’ easily under torque, making it hard to apply much torque.

Why are there different screwdriver heads?

Answer: The primary reason for the wide variety of screw head drive types is to ensure the fact that you will never have the proper screwdriver close at hand when you need it.

What is a square head screw 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 the name of the square screwdriver?

What is a Phillips screwdriver used for?

A Phillips screwdriver is a tool that has a cross shape and features the ability to self center. These characteristics allow for greater control and stability.

What are the types of screw heads?

The most common types of machine screw head shapes are pan head, flat head, round head, oval head, truss head and hex head. While round heads are probably used most often, flat heads are particularly useful when the screw needs to be flush with the surface it’s screwed into.

What is a regular screwdriver?

Regular Screwdriver. A screwdriver is a tool for driving screws and rotating other machine elements with the mating drive system. The screwdriver is made up of a head or tip, which engages with a screw, a mechanism to apply torque by rotating the tip, and some way to position and support the screwdriver.

What is a flat Phillips screwdriver?

Phillips screwdriver (plural Phillips screwdrivers) From left to right, a Phillips screwdriver and a flat-blade screwdriver. A screwdriver having a cross-shaped tip rather than the rectangular tip of a standard (flat-blade) screwdriver.