Fastener Selection
With full in-house capabilities in design, tooling, manufacturing and surface treatments, Unisteel offers customized fastening solutions to meet customers' needs. To get the right fastener for your application, customers should consider the following areas:
- Material
- Screw Type
- Head Type
- Point Type
- Fastening Drive System (Recess)
Material
Type | Properties |
Carbon Steel |
Ideal for low to medium strength applications
|
Stainless Steel |
Suitable for high strength applications.
|
UNITRONIC® & |
Ideal for applications requiring superior resistance to galling.
|
Aluminium |
Recommended for aluminium applications in order to minimize the danger of galvanic corrosion.
|
Titanium |
Ideal for applications where high strength and low weight are desirable.
|
Brass |
Preferred material for threaded inserts.
|
Plastic |
Ideal for applications where high tensile holding strength is not a primary requirement.
|
Screw Type
Type | Properties |
Machine Screw |
Fastener that requires threaded holes. |
Self-tapping Screw |
Otherwise known as thread-forming screw, self-tapping screw is designed to cut threads while being driven into an un-tapped hole. |
Cosmetic Screw |
Screw is specially treated for aesthetic purposes. There are two types of finishes available-color coat and texturing. |
Multi-blow Cold Formed Screw |
Special formed component that is irregular in shape. It is usually produced using multi-stage machines. |
Head Type
![]() Pan Head |
![]() Pan Head With Collar |
![]() Hexagon Head |
![]() Bugle Head |
![]() Flat Countersunk Head |
![]() Button Head |
![]() Raised Countersunk Head |
![]() Hexagon Flange Head |
Point Type
![]() Chamfer Cut Point |
![]() Rolled Point |
![]() Radius Point |
![]() Cup Point |
![]() Cone Point |
![]() Dog Point |
![]() Drill Point |
![]() Taptite |
![]() Type AB |
![]() Type B |
![]() Type 17 |
![]() Type 23 |
![]() Type 25 |
![]() Type U |
![]() Needle |
Fastening Drive System (Recess)

Features | Benefits |
Straight, vertical sidewalls |
|
15° drive angle |
|
Broad contact surface |
|

Features | Benefits |
Straight, vertical sidewalls |
|
Elliptically-based geometry |
|
0° drive angle |
|

Features | Benefits |
Cross shaped with near- |
|
Wide recess wing width |
|
Wide drive area |
|
OTHERS
In addition to the above mentioned, Unisteel also offers JCIS Cross. Other recesses are also available upon request.

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