Cross Flat Head Self Drilling Screw
Material:Stainless steel
Drive system:Phillips
Head style:Flat
Products Description
Cross flat head self drilling screws are made of 304 Stainless Steel. Its tail is designed to be a drill tail or a pointed tail. It can be directly drilled, tapped, and locked on the setting material or base material without auxiliary processing, thus greatly saving construction time. This kind of screw is usually used in the fields of fixing colored steel tiles of steel structures and fixing thin plates of simple buildings.
Products Parameter
|
Spec |
M3.5 |
M3.9 |
M4.2 |
M4.8 |
M5.5 |
|
dk |
6.83 |
7.4 |
7.9 |
9.02 |
11.02 |
|
k |
2.35 |
2.65 |
2.82 |
3.29 |
3.95 |
Products Description
Storage and maintenance methods of Cross flat head self drilling screw
1. Store in a dry place: Store the self drilling screw in a dry place to reduce the chance of contact with humid air and reduce the risk of rust.
2. Packaging protection: Use sealed bags, desiccant and other packaging materials to isolate it from the outside air and water vapor.
3. Cleaning and maintenance: Clean the dust, dirt and other impurities on the surface regularly.
4. Wash your hands before use: Avoid sweat and impurities on your hands from contaminating the metal surface.
5. Regular inspection and maintenance: Check the status of the self drilling screw regularly, and deal with it in time if there are signs of rust.
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