Classifications of screw:
- Machine screws: To be used with the matched inner thread
- Triangular self tapping screws:
• Save the process of tapping and other related costs
• The triangular design prevent the looseness, reduce the demand of glue & anti-slide screw
• Increase the tightness between the screw and the object itself
• Suitable for various materials and any existing holes made by drilling, washing or molding
• After partial High frequency induction hardening, the tensile strength of metal application is similar as refining heat treatment
- Self tapping screws (Include-TP1. TP2): Suitable for various materials such as metal, wood & plastic
Measurement of the length of screws:
Type of head:
Standard: ISO. ANSI. BSW. DIN. JIS
*Special item can be made by custom order
Materials: Medium-carbon spring steel. low-carbon spring steel. alloy steel. alpha-Be. white iron. aluminum. copper...etc
Surface Plating:
- Anodized treatment
- Cr 3+ Zinc
- Zinc
- Black Zinc
- Nickel
- Black Oxide
- Satilume Nickel
- Black Nickel
- Chromium
- Tin
- Ti Yellow Zinc
- White Zinc
- Patch
| 