Thread rolling screws roll form threads in plain cored, drilled, or punched holes upon assembly. Creating vibration resistant assemblies, eliminating the need to pre-tap internal threads in ductile materials such as steel, aluminum, zinc, etc., thus lowering the cost of assembly.
| Size Range: | M2 ~ M10 |
|---|---|
| STD: | DIN 7500 |
| Available Grades: | Case Hardened 450 ~ 550 HV |
Self-tapping screws are typically used to secure wood, plastic, metal and brick together. There are two types of self-tapping screws, thread-forming and thread-cutting. Thread-forming: Before you can use these screws you will need to drill a pilot hole as the screw itself does not contain a pointed tip.
| Size Range: | ST 2.2 ~ ST 6.3 |
|---|---|
| STD: | : DIN 7971 C&F (ISO 1481), DIN 7972 C (ISO 1482) DIN 7981 C&F (ISO 7049), DIN 7982 C (ISO 7050) DIN 7976 C |
| Available Grades: | Case Hardened 450 HV |
self-drilling screws are commonly used to drill into sheet metal. It is most commonly used in pre-engineering buildings.
| Size Range: | ST 2.2 ~ ST 6.3 |
|---|---|
| STD: | : DIN 7504 N (ISO 15481), DIN 7504 P (ISO 15482) DIN 7504 K (ISO 15480) |
| Hardness: | Case Hardened 560 HV |
Copyright @2020 rithul.com.