Quality Inspection for 3 Drywall Screws - Black Phosphate Countersunk Rib Head Phillips Drive Drill Point with Wings Drywall Screw – Xinruifeng

● Countersunk Rib Head

● Fine Thread

● Phillips Drive

● M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10)

● From 13mm to 100mm

● 1022A

● Black/Grey phosphate; Yellow/White Zinc Plated; Nikel Plated

1. This kind of drywall screw is made according to DIN Standard. Strictly guarantee the quality of products.

2. The unique drill point, countersunk rib head, and with wings design gives it the following advantages:

(1)No pre-drilling or pilot hole required.

(2)Wings create a hole in the timber to prevent it from jacking up, then snap off in the metal for fastening in one smooth motion.

(3)Ribbed countersunk head embeds during drilling to create a flush, professional finish.

3. We have our own heat treatment produce line. Heat-treated drywall screws with high strength drilling capability. We control the temperature of heat treatment in strict accordance with DIN standards to achieve the highest quality.

Tianjin Xinruifeng Technology Co., Ltd. has been in the fastener industry for nearly 20 years and we can customize all kinds of products per your requirements. We have an established management system and quality control procedure. Excellent quality, competitive price, and timely delivery are the pillars of the company’s foundation. Win-win and long-term cooperation is our final goals when dealing with different clients.

Drywall screw series is one of the most important categories in the entire fastener product line. This product is mainly used for the installation of various gypsum boards, lightweight partition walls and ceiling series.

Drywall screws, also named gypsum screws, are divided into fine thread and coarse thread drywall nails according to the thread. Fine thread drywall screws usually are used for fastening gypsum board to light gauge steel profile or wooden keel. Coarse thread drywall screws are used for fastening gypsum board to wooden keel.

Drywall screw surface treatment are mainly including grey phosphated, black phosphated, white zinc plated, yellow zinc plated or nickel plated etc.

Drywall screw packing terms also have many options for customers choosing. For example, small box packing, carton packing, color printed small box packing etc. Our customers can choose to customized box packing, also can choose box packing with printed our brand.