The head of the fastener features a hexagonal star (plum blossom) groove design, along with a countersunk structure that sits flush with the workpiece surface, offering a sleek and space-saving installation solution.

The clamp ear or double wing design significantly boosts the clamping force on various panels like color steel tiles and resin tiles, effectively minimizing the risk of loosening. Moreover, the slotted design enables direct drilling into metal or wood without the necessity of pre-drilling, while the slot itself facilitates easy chip removal.

The clamp ear design, widely utilized for fixing color steel tiles, installing resin tiles, and connecting calcium silicate boards, is particularly well-suited for applications where wind pressure resistance is required.

Product Packaging:
The Self Drilling Screws are carefully packed in a sturdy cardboard box to prevent any damage during shipping. Each box contains [number of screws] screws, securely arranged to avoid any jostling or movement.

Shipping:
Orders for the Self Drilling Screws are typically processed within 1-2 business days. We use reliable shipping services to ensure prompt delivery to our customers. You will receive a tracking number once your order has been dispatched, allowing you to monitor the delivery status of your package.