Self drilling drywall screws have become the standard fastener for securing full or partial sheets of drywall to wall studs or ceiling joists. They are with bugle head, Philips head No.2 cross drive, fine or coarse thread, sharp or drill point. The most popular surface treatment is phosphate (black or gray color).

Specification

Material: Carbon steel C1022A

M3.5X13 ~ M4.8X200 / 6#x5/8'' ~ 14#X6''

Surface treatment: Black/grey phosphate, zinc plated, HDG, yellow zinc, color zinc

Point: Drilling point

Thread: Fine or coarse thread

Hardness of Core: 300-450HV

Hardness of Surface: 550-750HV

Product Features & Advantages

1. Self drilling drywall screw is used for the connection between gypsum board and metal keel whose thickness does not exceed 2.3mm. The surface treatment is optional with black phosphating and yellow zinc plating. The scope of application and purchase price of the two are basically the same. Yellow zinc is slightly better in anti-rust effect, and the color is light, not easy to fade after paint decoration.

2. Drywall screws need to go through a series of processes from carbon steel to become the final product. The technological process includes annealing, wire drawing, grooving, thread rolling, heat treatment, etc., and every link is strictly controlled. It is inspected and tested by the quality supervision department before leaving the factory. Only qualified products will be delivered to customers.

3. Coarse thread drywall screws are made out instead of twinfast ones, to be used onto wood studs, which can help protecting the wood studs' structure. And for drilling point drywall screws, they are more oftenly be used onto steel studs.

The most usually presented drywall screws include twinfast drywall screws, single line drywall screws, an drill point drywal screws. Different type dryall screws are used to differen application according t heir unique feature. The twinfast drywall scres are mostly phosphated, also there are white and yellow galvanized ones.

Packing & Shipment

1. We have several sizes of packing dimensions;
2. We can design specific sizes of boxes and cartons;
3. We can put any design which clients requested;
4. We can put client's logo on boxes and carton;
5. We can provide special packs clients requests;
6. High grade packs definitely considering clients benefits.

Our Advantages

Credit Assurance

Long term business relationship is what we have been pursuing. Company credit is the foundation of enhancing the cooperation.

Quality Assurance

We implements a strict and standardized quality management system to meet the different needs of customers. Quality surveillance is from raw materials, products, packing, transportation to container loading.

Service Assurance

Professional business team is proficient in each aspect of international trade, including timely market dynamics, product details, shipment, and complaints.

We are looking forward to cooperating with you. We sincerely hope that our work will make your business go further!