Screw Types
Screws are divided into 5 groups according to their thread shape.
- Triangle Screws: The thread angles are large. The screw pitch (helix) is small. For this reason, it is used for fastening screw purposes.
- Trapezoidal Screws: Used as movement screws.
- Square Screws: They are preferred to transmit force.
- Saw Screws: Because they are curved in one direction, they are preferred in areas where unidirectional forces are applied.
- Round Screws: It is preferred in moist areas such as sand, dust and soil.
- Screw types according to screw system
metric screws
- Finger (Whitworth) screws
- Types of screws according to the purpose of use
Attachment Screws
- Movement Screws
- Pipe Screws
Screw types according to the number of teeth
- Single End Screw
- Multi-Head Screw
Screw types according to usage areas
- Wood Screws
- Metal Screws
Screw types according to helix direction
- Right Helical Screw
- Left Helix Screw
Screw types according to head shapes
- Hex Head Screws
- Four Corner Head Screws
- Cylinder Head Hexagonal Slot Screws
- Round Head Screwdriver Screws
- Countersunk Head Square Neck Screws
- Knurled Head Screws
- Ring Head Screws
- Butterfly Head Screws
