Self Drilling Screws

Self drilling screw is a type of construction screws. These screws combine a thrilling-like action and the fastener installation itself into only one driving motion

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描述

Self Drilling Screws, Roofing Screws Manufacturer

Self drilling screw is a type of construction screws. These screws combine a thrilling-like action and the fastener installation itself into only one driving motion (instead of separate drilling, tapping, and installing motions); they are thus very efficient in a variety of hard-substrate applications, from assembly lines to roofing.
Product Description:
Head type: Hex washer head
Drive type: Slotted
Application:
Available with EPDM sealing washer bonded to Galvanized steel back to help prevent leaks.
The point is designed to drill easily and consistently into 0.036" to 0.210 " steel.
Model no: HF12019
Available with customer colour match any colour to your exact requirements.

Self Drilling Screws
The selection of self tapping screws
When fixing screws, we should choose fixings according to the service life of the structure, and pay special attention to whether the life of the outer covering material is the same as the life of the fixed parts. At the same time, pay attention to ability of self drilling screws can not exceed the thickness of steel purlin. The current screw can be supplied with a plastic head, a stainless steel top cover or a special durable protective layer. In addition, the button is fixed by screws, other screws with waterproof gasket, and the lighting board and the special air pressure situation are equipped with the corresponding special gasket.
For any further inquiries about roof screws and self drilling screws, please do not hesitate to contact us.

CZ purlin machine