An internal hex drive is usually used for its installation on surfaces. The clamped parts get their support from stretching the screws to handle the external forces faced by it.
Button Head Socket Cap Screws
Diameter
From 3/16" - Upto 1"
From M3 - Upto M12
They are mostly used in the designing of compartments in the overhead space of a house. An essential expectation from those spaces is the ability to provide more space with limited hardware. To assist in the better assembly of all the parts, these screws also come with a wide cross-section.
Socket Head CSK ScrewAllen CSK Screw
Diameter
From 3/16" - Upto 5/16"
From M3 - Upto M24
These are mainly used in applications which require a visually pleasing fastener with minimal load bearing capabilities.
Grub ScrewsSocket Set Screws
Diameter
From 1/8" - Upto 3/4"
From M3 - Upto M20
They are used in building shaft collars, exit doors, knobs, and crash bars. They must be tightened enough to hold the compressed position without snapping due to the applied torque.
Socket Head Shoulder Screws
Diameter
From M6 - Upto M24
They are used in the designing of shearing components and machines whose components require the space and ability to swing, oscillate or pivot. They are also used in punch and die applications.
Socket Low Head Cap Screw
Diameter
From M4 - Upto M20
They are used in low screw head height applications. Please note that this restricts the use of these screws to low strength applications.
Flange Socket Head Button Screws
Diameter
From M3 - Upto M10
It is used to protect the components around it from damages like scraps and unintentional cuts. Another advantage of these screws is the large under head bearing surface - this eliminates the need for washers.
Flange Socket Head Cap Screws
Diameter
From M4 - Upto M12
These come with an inbuilt washer to create a flange which can keep the screw head from crushing the underlying material. It has a cylindrical head and hexagonal drive style which ensures accurate drilling.
