Hex Washer Self Drilling Screws

Hex washer self-drilling screws are a type of screw that has similar design features with a drill bit with a tip that enables it to drill its own hole. As the name implies, self-drilling screws do not require a pilot hole in order to perform as a fastener. They are designed to work on soft steel, wood, and metals.

Specification

Standard: ISO 15480
Thread Type: Self-Tapping Screw Thread
Material: Carbon Steel
Property Class: A
Diameter: ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, ST6.3
Finish: Plain, Black Oxide, Zinc Plated, Hot Dipped Galvanized, Oxidation, Dacromet, Phosphating, Cadmium Electroplate, Nickel Plated
Head Type: Hexagon Head
Drive Type: Outer Hex
Alternative Standard: DIN EN ISO 15480, UNI 8117, GB/ T 15856.5

Product Advantages & Features

The versatile and practical self-drilling screw has been in use for many years as a method for connecting materials. Since self-drilling screws do not require a pilot hole, they can rapidly and efficiently connect a variety of materials, which enhances productivity and performance.

The types and varieties of self-drilling screws makes them applicable to a variety of construction and fabricating operations. From applying metal roofing to finishing assemblies, self-drilling screws have become a valuable tool in manufacturing, fabrication, and production.

Sheet Metal

Metal sheets are used to frame a wide variety of products. To speed up the production process and ensure tight connections, self-drilling screws are used as fasteners. The drill-like tip of self-drilling screws is preferred over other methods of fastening due to its efficiency. Industries that use self-drilling screws for metal fastening include automobile construction, building, and furniture manufacturing.

Decking

Previous to the development of the self-drilling screw, builders had to drill pilot holes before inserting screws. Self-drilling screws have eliminated the need for this extra step, which has reduced time on jobs and made the process more efficient. The total process can be performed in a quarter of the time it took under the pre drill method.

Roofing

Self-drilling screws for metal roofing are specially designed with a washer to form a tight seal when fastening. As with all self-drilling screws, they have a drill bit formed point that makes inserting them quick and easy.

Packing & Shipment

Packing Details

Cartons with pallets or not,

Double woven bags with pallets or not,

Or according to the buyer's requirements.

MOQ: 1000kgs
Lead Time: 30 to 40 days.

Our Service

1. Strictly follow quality standards and manufacture metal products according to international standards.

2. Over 10 years of development, we have a mature production line, experienced workers and a technical team that is good at solving various problems of customers. 3. Focus on details, from communication, customization, production, packaging, and transportation to after-sales, every link is handled carefully.

Rich export experience: our products have been exported to more than 50 countries and regions in the world.

5. Passed ISO 9001: 2015 quality management system certification. 

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