What are the 4 different types of screw heads?

Types of Screw Heads/Screw Drives

  • Step 1: Slotted. Slotted screws are the simplest type of screw, consisting of a single slot at the head of the screw. …
  • Step 2: Phillips. The Phillips screw, named after Henry F. …
  • Step 3: Square Aka “Robertson” …
  • Step 4: Torx Aka “Star” …
  • 19 Comments.


What are the different types of screw heads called?

The different screw drive types include:

  • Slotted.
  • Phillips.
  • Phillips tamper-resistant.
  • Combination.
  • Hex external.
  • Hex internal.
  • Hex tamper-resistant.
  • Square recess.

What are the 6 different types of screw heads?

6 Common Types of Screw Drives

  • #1) Phillips-Head. Arguably, the most common type of screw drive is Phillips head. …
  • #2) Flat-Head. Also known as a slot drive, a flat-head screw lives up to its namesake by supporting the use of a flat-head screwdriver. …
  • #3) Hex. …
  • #4) Torx. …
  • #5) Double Hex. …
  • #6) Robertson.


How do you identify screw heads?

Quote from the video:
Quote from Youtube video: It's a rounded head has a fairly large diameter. So you get a lot of contact underneath it in between it and the surface.

What does a Torx head look like?

Torx is the trademark for a type of screw head, developed by Camcar Textron in 1967. It’s characterised by a distinct, 6-point star-shaped pattern and is often called a ‘star screw’ that requires a ‘star screwdriver’ with a ‘star bit’ to tighten and untighten them.

What does a Panhead screw look like?

Pan head screws take their name from the appearance of their head, which looks similar to an upside-down frying pan. Pan head screws are a common head type of non-countersunk screw head used in wood screws, self-tapping screws, self-drilling screws, and machine screws.

What is a Robertson head screw?

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

What screw do I have?

Screw size is measured in diameter. For example a 1/4-20 screw has 20 threads per inch and a diameter of 1/4 inch. All you need is a steel rule to determine the size and thread count of any screw. Once you learn how to do so, household projects will be much easier.

How do you remove a Torx security screw?

Quote from the video:
Quote from Youtube video: Set that has a normal flat head screwdriver in it.

Is Star head and Torx the same?

The difference between Torx Bits vs Star Bits is that Torx is the trademark name, while star represents the generic descriptor – the terms can be used interchangeably, as the tools are identical.

How do you remove a star shaped screw?

Insert your small flathead into the space within the screwdriver head as shown here, and simply turn clockwise. The screw will easily come loose. Congradulations!

What’s a star screwdriver?

Called Torx, 6 point, and star, Torx are a 6 pointed star shaped screwdriver. Originally designed in the 60’s to outperform hex screws, Torx is a trademarked name for a screwdriver that fits Torx screws, commonly seen in sizes Torx 6 to Torx 40 (or T6 to T40).

How do you remove a flat head screw?

Use a Screwdriver & Hammer



Stick a flat head screwdriver into the screw. Use a hammer to gently drive the screwdriver down. Drive the screwdriver in deep enough to catch. Next, twist the screwdriver to remove the screw.

How do you open a hexagon screw?

Two Ways to Remove a Hex Screw



The first is to grind a slot in the head using a rotary tool and a grinding wheel and then use a flathead screwdriver to turn the screw. The second is to clamp a set of locking pliers onto the head and use those to turn the screw.

What is a hex head screw?

Hex Cap Screws are fasteners featuring a hexagonal, six-sided, head with a washer face on the bearing surface and a chamfered point. Commonly used in construction and machine assemblies, hex cap screws are one of the most common fasteners used on the jobsite today.

How do you remove a hex head cap screw?

Quote from the video:
Quote from Youtube video: Breakdown the center. Now sometimes you're gonna say well ray did you damage the drills. Let's see if I can get a good shot of that. No damage to the drill at all. But it's a good quality drill.