TR fasteners use high quality material and test under strict standard.  Black Hex Socket Countersunk Screws are available in customized sizes and grade choices, diverse finishes choices and different international quality standards choices,like DIN; UNC; UNF. Sizes are available from M3-M42 length from 5mm-300mm and grade has, 8.8, 10.9  Surface finishes like black, plain, zinc plated, hot dip galvanized coating can be chose;

Product Parameter (Specification)

Product Feature

TR fasteners is a professional and experienced manufacturer and exporter. Our Black Hex Socket Countersunk Screws are widely sold to America, Europe, Australia, South America, Africa, etc. We already passed the evaluation of ISO9001:2008 and ISO14001 standard quality system with various kinds of series of our products.

Our Strength:

• Direct from manufacturer to customer, On time delivery
• Complete and diverse fastener products, saving you the time.
• Highly competitive price, saving your cost.
• Conducting stringent quality control tests are at every stage
• After shippment, we will offer the Test report and material report.

Product Application

Black Hex Socket Countersunk Screws are commonly used in many applications where a flush and low profile fastener is required. Here are some of the key application areas for DIN 7991 screws:

Construction: DIN 7991 hex socket countersunk screws are commonly used in many applications where a flush and low profile fastener is required. Here are some of the key application areas for DIN 7991 screws:

Automotive: DIN 7991 hex socket countersunk screws are used in various automotive applications, including engine components, body panels, and interior trims. The low profile design ensures the fasteners do not protrude from the surface.

Electronics: These screws are used in electronics and computer hardware where a flush and low-profile fastener is required to prevent interference and damage.

Machinery: DIN7991 hex socket countersunk screws are used in machinery applications to secure moving parts, bearings, gearboxes, and other components where a low profile and a flush fit are essential.

Overall, DIN 7991 hex socket countersunk screws are widely used in various applications where a reliable, low-profile fastener is required that maintains the integrity of the design. The combination of their strength and low profile make them a versatile and practical choice for numerous industries and applications. are used in construction applications to secure façade elements, wall cladding, and other architectural elements. The countersunk head allows for a flush fit that maintains the visual integrity of the surface design.